Europalab Devices produces a LoRaWAN transmitting client node, specialised for higher research of actuator and sensor assisted IoT networks. https://dev.europalab.com/nlnet/20200000/
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  1. EESchema Schematic File Version 4
  2. EELAYER 30 0
  3. EELAYER END
  4. $Descr A4 11693 8268
  5. encoding utf-8
  6. Sheet 9 13
  7. Title "Democratic Sendcomm"
  8. Date "2021-01-16"
  9. Rev "0.9.4"
  10. Comp "Europalab Devices"
  11. Comment1 "Copyright © 2021, Europalab Devices"
  12. Comment2 "Fulfilling requirements of 20200210"
  13. Comment3 "Pending quality assurance testing"
  14. Comment4 "Release revision for manufacturing"
  15. $EndDescr
  16. $Comp
  17. L Device:LED D4
  18. U 1 1 5F91265F
  19. P 2450 2600
  20. F 0 "D4" H 2600 2700 50 0000 C CNN
  21. F 1 "LED" H 2450 2700 50 0000 C CNN
  22. F 2 "Diode_SMD:D_0805_2012Metric" H 2450 2600 50 0001 C CNN
  23. F 3 "~" H 2450 2600 50 0001 C CNN
  24. F 4 "BLUE" H 2100 2700 50 0000 L CNN "Colour"
  25. 1 2450 2600
  26. 1 0 0 -1
  27. $EndComp
  28. $Comp
  29. L Device:R R28
  30. U 1 1 5F913444
  31. P 2850 2600
  32. F 0 "R28" V 2750 2600 50 0000 C CNN
  33. F 1 "120" V 2850 2600 50 0000 C CNN
  34. F 2 "Resistor_SMD:R_0805_2012Metric" V 2780 2600 50 0001 C CNN
  35. F 3 "~" H 2850 2600 50 0001 C CNN
  36. 1 2850 2600
  37. 0 -1 1 0
  38. $EndComp
  39. Wire Wire Line
  40. 2700 2600 2600 2600
  41. $Comp
  42. L Device:LED D5
  43. U 1 1 5F91486B
  44. P 2450 2900
  45. F 0 "D5" H 2600 3000 50 0000 C CNN
  46. F 1 "LED" H 2450 3000 50 0000 C CNN
  47. F 2 "Diode_SMD:D_0805_2012Metric" H 2450 2900 50 0001 C CNN
  48. F 3 "~" H 2450 2900 50 0001 C CNN
  49. F 4 "GREEN" H 2100 3000 50 0000 L CNN "Colour"
  50. 1 2450 2900
  51. 1 0 0 -1
  52. $EndComp
  53. $Comp
  54. L Device:R R29
  55. U 1 1 5F914875
  56. P 2850 2900
  57. F 0 "R29" V 2750 2900 50 0000 C CNN
  58. F 1 "270" V 2850 2900 50 0000 C CNN
  59. F 2 "Resistor_SMD:R_0805_2012Metric" V 2780 2900 50 0001 C CNN
  60. F 3 "~" H 2850 2900 50 0001 C CNN
  61. 1 2850 2900
  62. 0 -1 1 0
  63. $EndComp
  64. Wire Wire Line
  65. 2700 2900 2600 2900
  66. $Comp
  67. L Device:LED D6
  68. U 1 1 5F915791
  69. P 2450 3050
  70. F 0 "D6" H 2600 2950 50 0000 C CNN
  71. F 1 "LED" H 2450 2950 50 0000 C CNN
  72. F 2 "Diode_SMD:D_0805_2012Metric" H 2450 3050 50 0001 C CNN
  73. F 3 "~" H 2450 3050 50 0001 C CNN
  74. F 4 "RED" H 2100 2950 50 0000 L CNN "Colour"
  75. 1 2450 3050
  76. 1 0 0 -1
  77. $EndComp
  78. $Comp
  79. L Device:R R30
  80. U 1 1 5F91579B
  81. P 2850 3050
  82. F 0 "R30" V 2950 3050 50 0000 C CNN
  83. F 1 "360" V 2850 3050 50 0000 C CNN
  84. F 2 "Resistor_SMD:R_0805_2012Metric" V 2780 3050 50 0001 C CNN
  85. F 3 "~" H 2850 3050 50 0001 C CNN
  86. 1 2850 3050
  87. 0 -1 1 0
  88. $EndComp
  89. Wire Wire Line
  90. 2700 3050 2600 3050
  91. $Comp
  92. L power:GND #PWR0133
  93. U 1 1 5F917A33
  94. P 1850 2800
  95. F 0 "#PWR0133" H 1850 2550 50 0001 C CNN
  96. F 1 "GND" H 1855 2627 50 0000 C CNN
  97. F 2 "" H 1850 2800 50 0001 C CNN
  98. F 3 "" H 1850 2800 50 0001 C CNN
  99. 1 1850 2800
  100. -1 0 0 -1
  101. $EndComp
  102. Wire Wire Line
  103. 2300 3050 2050 3050
  104. Wire Wire Line
  105. 2300 2900 2050 2900
  106. Wire Wire Line
  107. 2300 2600 2050 2600
  108. Text Notes 1000 2250 0 50 ~ 0
  109. Reassign to convenient\npins with CubeMX later
  110. Wire Notes Line
  111. 950 2050 950 2300
  112. Wire Notes Line
  113. 950 2300 1950 2300
  114. Wire Notes Line
  115. 1950 2300 1950 2050
  116. Wire Notes Line
  117. 1950 2050 950 2050
  118. Text Notes 1150 2025 0 50 ~ 0
  119. User LED array
  120. Wire Notes Line
  121. 1125 2050 1125 1925
  122. Wire Notes Line
  123. 1125 1925 1750 1925
  124. Wire Notes Line
  125. 1750 1925 1750 2050
  126. Text Notes 2125 2250 0 50 ~ 0
  127. Reassign to convenient\npins with CubeMX later
  128. Wire Notes Line
  129. 2075 2050 2075 2300
  130. Wire Notes Line
  131. 2075 2300 3075 2300
  132. Wire Notes Line
  133. 3075 2300 3075 2050
  134. Wire Notes Line
  135. 3075 2050 2075 2050
  136. Text Notes 2275 2025 0 50 ~ 0
  137. User SPST array
  138. Wire Notes Line
  139. 2250 2050 2250 1925
  140. Wire Notes Line
  141. 2250 1925 2925 1925
  142. Wire Notes Line
  143. 2925 1925 2925 2050
  144. $Comp
  145. L Switch:SW_SPST SW3
  146. U 1 1 5F91A2D7
  147. P 3600 6500
  148. F 0 "SW3" H 3850 6550 50 0000 R CNN
  149. F 1 "SPST" H 3300 6550 50 0000 L CNN
  150. F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC6xxJ" H 3600 6500 50 0001 C CNN
  151. F 3 "~" H 3600 6500 50 0001 C CNN
  152. 1 3600 6500
  153. -1 0 0 -1
  154. $EndComp
  155. $Comp
  156. L power:GND #PWR0134
  157. U 1 1 5F91C765
  158. P 4000 7200
  159. F 0 "#PWR0134" H 4000 6950 50 0001 C CNN
  160. F 1 "GND" H 4005 7027 50 0000 C CNN
  161. F 2 "" H 4000 7200 50 0001 C CNN
  162. F 3 "" H 4000 7200 50 0001 C CNN
  163. 1 4000 7200
  164. -1 0 0 -1
  165. $EndComp
  166. Wire Wire Line
  167. 3800 6500 4000 6500
  168. $Comp
  169. L Device:R R25
  170. U 1 1 5F91DE69
  171. P 2750 6500
  172. F 0 "R25" V 2650 6500 50 0000 C CNN
  173. F 1 "1K" V 2750 6500 50 0000 C CNN
  174. F 2 "Resistor_SMD:R_0805_2012Metric" V 2680 6500 50 0001 C CNN
  175. F 3 "~" H 2750 6500 50 0001 C CNN
  176. 1 2750 6500
  177. 0 -1 1 0
  178. $EndComp
  179. Wire Wire Line
  180. 2500 6500 2600 6500
  181. Wire Wire Line
  182. 2900 6500 3400 6500
  183. Text Label 3000 6800 0 50 ~ 0
  184. DEJIT2
  185. Wire Wire Line
  186. 2900 6800 3400 6800
  187. Wire Wire Line
  188. 2500 6800 2600 6800
  189. $Comp
  190. L Device:R R26
  191. U 1 1 5F91F462
  192. P 2750 6800
  193. F 0 "R26" V 2650 6800 50 0000 C CNN
  194. F 1 "1K" V 2750 6800 50 0000 C CNN
  195. F 2 "Resistor_SMD:R_0805_2012Metric" V 2680 6800 50 0001 C CNN
  196. F 3 "~" H 2750 6800 50 0001 C CNN
  197. 1 2750 6800
  198. 0 -1 1 0
  199. $EndComp
  200. Wire Wire Line
  201. 3800 6800 4000 6800
  202. $Comp
  203. L Switch:SW_SPST SW4
  204. U 1 1 5F91F456
  205. P 3600 6800
  206. F 0 "SW4" H 3850 6850 50 0000 R CNN
  207. F 1 "SPST" H 3300 6850 50 0000 L CNN
  208. F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC6xxJ" H 3600 6800 50 0001 C CNN
  209. F 3 "~" H 3600 6800 50 0001 C CNN
  210. 1 3600 6800
  211. -1 0 0 -1
  212. $EndComp
  213. Wire Wire Line
  214. 3600 2100 3400 2100
  215. Wire Wire Line
  216. 3600 2200 3400 2200
  217. Wire Wire Line
  218. 3600 2300 3400 2300
  219. Text Label 3400 2100 2 50 ~ 0
  220. BTN1
  221. Text Label 3400 2200 2 50 ~ 0
  222. BTN2
  223. Text Label 3400 2300 2 50 ~ 0
  224. BTN3
  225. Text Label 2500 6500 2 50 ~ 0
  226. BTN1
  227. Text Label 2500 6800 2 50 ~ 0
  228. BTN2
  229. Text Label 3000 7100 0 50 ~ 0
  230. DEJIT3
  231. Wire Wire Line
  232. 2900 7100 3400 7100
  233. Wire Wire Line
  234. 2500 7100 2600 7100
  235. $Comp
  236. L Device:R R27
  237. U 1 1 5F92C857
  238. P 2750 7100
  239. F 0 "R27" V 2650 7100 50 0000 C CNN
  240. F 1 "1K" V 2750 7100 50 0000 C CNN
  241. F 2 "Resistor_SMD:R_0805_2012Metric" V 2680 7100 50 0001 C CNN
  242. F 3 "~" H 2750 7100 50 0001 C CNN
  243. 1 2750 7100
  244. 0 -1 1 0
  245. $EndComp
  246. Wire Wire Line
  247. 3800 7100 4000 7100
  248. Text Label 2500 7100 2 50 ~ 0
  249. BTN3
  250. Connection ~ 4000 6800
  251. Wire Wire Line
  252. 4000 6800 4000 7100
  253. Wire Wire Line
  254. 4000 6500 4000 6800
  255. Connection ~ 4000 7100
  256. Wire Wire Line
  257. 4000 7100 4000 7200
  258. $Comp
  259. L Switch:SW_SPST SW5
  260. U 1 1 5F92C862
  261. P 3600 7100
  262. F 0 "SW5" H 3850 7150 50 0000 R CNN
  263. F 1 "SPST" H 3300 7150 50 0000 L CNN
  264. F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC6xxJ" H 3600 7100 50 0001 C CNN
  265. F 3 "~" H 3600 7100 50 0001 C CNN
  266. 1 3600 7100
  267. -1 0 0 -1
  268. $EndComp
  269. Text Label 3000 6500 0 50 ~ 0
  270. DEJIT1
  271. $Comp
  272. L Device:C C78
  273. U 1 1 5F9329C5
  274. P 4500 6800
  275. F 0 "C78" H 4250 6850 50 0000 L CNN
  276. F 1 "0,1uF" H 4150 6750 50 0000 L CNN
  277. F 2 "Capacitor_SMD:C_0805_2012Metric" H 4538 6650 50 0001 C CNN
  278. F 3 "~" H 4500 6800 50 0001 C CNN
  279. 1 4500 6800
  280. 1 0 0 -1
  281. $EndComp
  282. $Comp
  283. L Power_Protection:SP0503BAHT D7
  284. U 1 1 5F937FCA
  285. P 5900 6900
  286. F 0 "D7" H 6105 6946 50 0000 L CNN
  287. F 1 "SP0503BAHT" H 6105 6855 50 0000 L CNN
  288. F 2 "Package_TO_SOT_SMD:SOT-143" H 6125 6850 50 0001 L CNN
  289. F 3 "http://www.littelfuse.com/~/media/files/littelfuse/technical%20resources/documents/data%20sheets/sp05xxba.pdf" H 6025 7025 50 0001 C CNN
  290. 1 5900 6900
  291. 1 0 0 -1
  292. $EndComp
  293. $Comp
  294. L Device:C C80
  295. U 1 1 5F93A1B6
  296. P 5300 6800
  297. F 0 "C80" H 5415 6846 50 0000 L CNN
  298. F 1 "0,1uF" H 5415 6755 50 0000 L CNN
  299. F 2 "Capacitor_SMD:C_0805_2012Metric" H 5338 6650 50 0001 C CNN
  300. F 3 "~" H 5300 6800 50 0001 C CNN
  301. 1 5300 6800
  302. 1 0 0 -1
  303. $EndComp
  304. $Comp
  305. L Device:C C79
  306. U 1 1 5F938DC1
  307. P 4800 6800
  308. F 0 "C79" H 4915 6846 50 0000 L CNN
  309. F 1 "0,1uF" H 4915 6755 50 0000 L CNN
  310. F 2 "Capacitor_SMD:C_0805_2012Metric" H 4838 6650 50 0001 C CNN
  311. F 3 "~" H 4800 6800 50 0001 C CNN
  312. 1 4800 6800
  313. 1 0 0 -1
  314. $EndComp
  315. Wire Wire Line
  316. 4500 6950 4500 7100
  317. Wire Wire Line
  318. 4800 6950 4800 7100
  319. Wire Wire Line
  320. 4800 7100 4500 7100
  321. Wire Wire Line
  322. 5300 6950 5300 7100
  323. Wire Wire Line
  324. 5300 7100 4800 7100
  325. Connection ~ 4800 7100
  326. Wire Wire Line
  327. 5900 7100 5300 7100
  328. Connection ~ 5300 7100
  329. Text Notes 6100 7350 0 50 ~ 0
  330. Probably DNP\nunless bored
  331. Wire Notes Line
  332. 6050 7150 6050 7400
  333. Wire Notes Line
  334. 6050 7400 6650 7400
  335. Wire Notes Line
  336. 6650 7400 6650 7150
  337. Wire Notes Line
  338. 6650 7150 6050 7150
  339. Wire Wire Line
  340. 5800 6700 5800 6550
  341. Wire Wire Line
  342. 5800 6550 5300 6550
  343. Wire Wire Line
  344. 5300 6550 5300 6650
  345. Wire Wire Line
  346. 5900 6700 5900 6350
  347. Wire Wire Line
  348. 5900 6350 4800 6350
  349. Wire Wire Line
  350. 4800 6350 4800 6650
  351. Wire Wire Line
  352. 6000 6700 6000 6150
  353. Wire Wire Line
  354. 6000 6150 4500 6150
  355. Wire Wire Line
  356. 4500 6150 4500 6650
  357. Text Label 5300 6550 0 50 ~ 0
  358. DEJIT3
  359. Text Label 5300 6350 0 50 ~ 0
  360. DEJIT2
  361. Text Label 5300 6150 0 50 ~ 0
  362. DEJIT1
  363. Text Notes 4550 5900 0 50 ~ 0
  364. Bunch of crap not needed for\ndebouncing or dejittering at all
  365. Wire Notes Line
  366. 4500 5700 4500 5950
  367. Wire Notes Line
  368. 4500 5950 5800 5950
  369. Wire Notes Line
  370. 5800 5950 5800 5700
  371. Wire Notes Line
  372. 5800 5700 4500 5700
  373. Text Notes 2650 6250 0 50 ~ 10
  374. User SPST button array
  375. $Comp
  376. L power:GND #PWR0135
  377. U 1 1 5F962FB3
  378. P 4800 4100
  379. F 0 "#PWR0135" H 4800 3850 50 0001 C CNN
  380. F 1 "GND" H 4805 3927 50 0000 C CNN
  381. F 2 "" H 4800 4100 50 0001 C CNN
  382. F 3 "" H 4800 4100 50 0001 C CNN
  383. 1 4800 4100
  384. 1 0 0 -1
  385. $EndComp
  386. Wire Wire Line
  387. 4600 3900 4600 4000
  388. Wire Wire Line
  389. 4600 4000 4800 4000
  390. Wire Wire Line
  391. 4800 4000 4800 4100
  392. Wire Wire Line
  393. 5000 3900 5000 4000
  394. Wire Wire Line
  395. 5000 4000 4800 4000
  396. Connection ~ 4800 4000
  397. Wire Wire Line
  398. 3600 2600 3000 2600
  399. Wire Wire Line
  400. 6000 1600 9500 1600
  401. Wire Wire Line
  402. 3600 1800 3400 1800
  403. Wire Wire Line
  404. 3600 1900 3400 1900
  405. $Comp
  406. L Device:Jumper JP24
  407. U 1 1 5FB9645E
  408. P 6300 1800
  409. F 0 "JP24" H 6300 1750 50 0000 C CNN
  410. F 1 "Jumper" H 6300 1650 50 0000 C CNN
  411. F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 6300 1800 50 0001 C CNN
  412. F 3 "~" H 6300 1800 50 0001 C CNN
  413. 1 6300 1800
  414. 1 0 0 -1
  415. $EndComp
  416. $Comp
  417. L Device:R R31
  418. U 1 1 5FB96CB5
  419. P 6750 1800
  420. F 0 "R31" V 6650 1800 50 0000 C CNN
  421. F 1 "10K" V 6750 1800 50 0000 C CNN
  422. F 2 "Resistor_SMD:R_0805_2012Metric" V 6680 1800 50 0001 C CNN
  423. F 3 "~" H 6750 1800 50 0001 C CNN
  424. 1 6750 1800
  425. 0 1 1 0
  426. $EndComp
  427. $Comp
  428. L power:GND #PWR0136
  429. U 1 1 5FB97407
  430. P 7000 1800
  431. F 0 "#PWR0136" H 7000 1550 50 0001 C CNN
  432. F 1 "GND" H 7005 1627 50 0000 C CNN
  433. F 2 "" H 7000 1800 50 0001 C CNN
  434. F 3 "" H 7000 1800 50 0001 C CNN
  435. 1 7000 1800
  436. 1 0 0 -1
  437. $EndComp
  438. $Comp
  439. L power:GND #PWR0137
  440. U 1 1 5FB9D707
  441. P 9500 2400
  442. F 0 "#PWR0137" H 9500 2150 50 0001 C CNN
  443. F 1 "GND" H 9505 2227 50 0000 C CNN
  444. F 2 "" H 9500 2400 50 0001 C CNN
  445. F 3 "" H 9500 2400 50 0001 C CNN
  446. 1 9500 2400
  447. -1 0 0 -1
  448. $EndComp
  449. $Comp
  450. L Device:C C91
  451. U 1 1 5FB9DA34
  452. P 9100 2000
  453. F 0 "C91" H 8850 2050 50 0000 L CNN
  454. F 1 "0,1uF" H 8750 1950 50 0000 L CNN
  455. F 2 "Capacitor_SMD:C_0805_2012Metric" H 9138 1850 50 0001 C CNN
  456. F 3 "~" H 9100 2000 50 0001 C CNN
  457. 1 9100 2000
  458. 1 0 0 -1
  459. $EndComp
  460. $Comp
  461. L Elabdev:ESD9B3.3ST5G D8
  462. U 1 1 5FBA9E71
  463. P 9900 2000
  464. F 0 "D8" V 9950 1900 50 0000 R CNN
  465. F 1 "ESD9B3.3ST5G" V 9850 1900 50 0000 R CNN
  466. F 2 "Elabdev:D_SOD-923" H 9900 2000 50 0001 C CNN
  467. F 3 "https://www.onsemi.com/pub/Collateral/ESD9B-D.PDF" H 9900 2000 50 0001 C CNN
  468. 1 9900 2000
  469. 0 -1 -1 0
  470. $EndComp
  471. Wire Wire Line
  472. 9100 2150 9100 2300
  473. Wire Wire Line
  474. 9100 2300 9500 2300
  475. Wire Wire Line
  476. 9500 2300 9500 2400
  477. Wire Wire Line
  478. 9900 2150 9900 2300
  479. Wire Wire Line
  480. 9900 2300 9500 2300
  481. Connection ~ 9500 2300
  482. $Comp
  483. L Switch:SW_SPST SW6
  484. U 1 1 5FB9D233
  485. P 9500 2000
  486. F 0 "SW6" V 9450 1950 50 0000 R CNN
  487. F 1 "SPST" V 9550 1950 50 0000 R CNN
  488. F 2 "Button_Switch_SMD:SW_SPST_PTS810" H 9500 2000 50 0001 C CNN
  489. F 3 "~" H 9500 2000 50 0001 C CNN
  490. 1 9500 2000
  491. 0 -1 1 0
  492. $EndComp
  493. Wire Wire Line
  494. 9500 2200 9500 2300
  495. Wire Wire Line
  496. 9900 1850 9900 1700
  497. Wire Wire Line
  498. 9900 1700 9500 1700
  499. Wire Wire Line
  500. 9500 1700 9500 1800
  501. Wire Wire Line
  502. 9100 1850 9100 1700
  503. Wire Wire Line
  504. 9100 1700 9500 1700
  505. Connection ~ 9500 1700
  506. Wire Wire Line
  507. 9500 1600 9500 1700
  508. Text Notes 10100 2450 0 50 ~ 0
  509. Probably DNP\nunless bored
  510. Wire Notes Line
  511. 10050 2250 10050 2500
  512. Wire Notes Line
  513. 10050 2500 10650 2500
  514. Wire Notes Line
  515. 10650 2500 10650 2250
  516. Wire Notes Line
  517. 10650 2250 10050 2250
  518. $Comp
  519. L Elabdev:Conn_ST_STDC14 J18
  520. U 1 1 5FC1F936
  521. P 10450 5350
  522. F 0 "J18" H 10850 6000 50 0000 R CNN
  523. F 1 "CN_STDC14" H 10400 6000 50 0000 R CNN
  524. F 2 "Connector_PinSocket_1.27mm:PinSocket_2x07_P1.27mm_Vertical_SMD" H 10450 5350 50 0001 C CNN
  525. F 3 "https://www.st.com/content/ccc/resource/technical/document/user_manual/group1/99/49/91/b6/b2/3a/46/e5/DM00526767/files/DM00526767.pdf/jcr:content/translations/en.DM00526767.pdf" V 10100 4100 50 0001 C CNN
  526. 1 10450 5350
  527. -1 0 0 -1
  528. $EndComp
  529. $Comp
  530. L Connector:Conn_ARM_JTAG_SWD_10 J17
  531. U 1 1 5FC20BA3
  532. P 8450 5150
  533. F 0 "J17" H 8150 5700 50 0000 R CNN
  534. F 1 "CN_JTAGSWD" H 8950 5700 50 0000 R CNN
  535. F 2 "Connector:Tag-Connect_TC2050-IDC-NL_2x05_P1.27mm_Vertical" H 8450 5150 50 0001 C CNN
  536. F 3 "http://infocenter.arm.com/help/topic/com.arm.doc.ddi0314h/DDI0314H_coresight_components_trm.pdf" V 8100 3900 50 0001 C CNN
  537. 1 8450 5150
  538. 1 0 0 -1
  539. $EndComp
  540. Wire Wire Line
  541. 8950 4850 9150 4850
  542. Wire Wire Line
  543. 8950 5050 9950 5050
  544. Wire Wire Line
  545. 8950 5150 9950 5150
  546. Wire Wire Line
  547. 8950 5250 9950 5250
  548. Wire Wire Line
  549. 8950 5350 9950 5350
  550. Text Label 9250 5850 2 50 ~ 0
  551. RSRX
  552. $Comp
  553. L Device:R_Small R38
  554. U 1 1 5FD01677
  555. P 10550 6150
  556. F 0 "R38" H 10609 6196 50 0000 L CNN
  557. F 1 "100" H 10609 6105 50 0000 L CNN
  558. F 2 "Resistor_SMD:R_0805_2012Metric" H 10550 6150 50 0001 C CNN
  559. F 3 "~" H 10550 6150 50 0001 C CNN
  560. 1 10550 6150
  561. 1 0 0 -1
  562. $EndComp
  563. Wire Wire Line
  564. 10450 6050 10450 6150
  565. Wire Wire Line
  566. 10550 6250 10450 6250
  567. $Comp
  568. L Device:R_Small R33
  569. U 1 1 5FD1B023
  570. P 8350 5850
  571. F 0 "R33" H 8409 5896 50 0000 L CNN
  572. F 1 "100" H 8409 5805 50 0000 L CNN
  573. F 2 "Resistor_SMD:R_0805_2012Metric" H 8350 5850 50 0001 C CNN
  574. F 3 "~" H 8350 5850 50 0001 C CNN
  575. 1 8350 5850
  576. -1 0 0 -1
  577. $EndComp
  578. Wire Wire Line
  579. 8450 5750 8450 6050
  580. Wire Wire Line
  581. 8350 5950 8350 6050
  582. Wire Wire Line
  583. 8350 6050 8450 6050
  584. Connection ~ 8450 6050
  585. NoConn ~ 9950 5550
  586. $Comp
  587. L power:+3V3 #PWR0138
  588. U 1 1 5FD31952
  589. P 9450 4550
  590. F 0 "#PWR0138" H 9450 4400 50 0001 C CNN
  591. F 1 "+3V3" H 9465 4723 50 0000 C CNN
  592. F 2 "" H 9450 4550 50 0001 C CNN
  593. F 3 "" H 9450 4550 50 0001 C CNN
  594. 1 9450 4550
  595. 1 0 0 -1
  596. $EndComp
  597. Text Label 9250 5750 2 50 ~ 0
  598. RSTX
  599. $Comp
  600. L Device:R R36
  601. U 1 1 5FD629DD
  602. P 9600 5750
  603. F 0 "R36" V 9500 5750 50 0000 C CNN
  604. F 1 "47" V 9600 5750 50 0000 C CNN
  605. F 2 "Resistor_SMD:R_0805_2012Metric" V 9530 5750 50 0001 C CNN
  606. F 3 "~" H 9600 5750 50 0001 C CNN
  607. 1 9600 5750
  608. 0 1 1 0
  609. $EndComp
  610. $Comp
  611. L Device:R R37
  612. U 1 1 5FD63992
  613. P 9600 5850
  614. F 0 "R37" V 9700 5850 50 0000 C CNN
  615. F 1 "47" V 9600 5850 50 0000 C CNN
  616. F 2 "Resistor_SMD:R_0805_2012Metric" V 9530 5850 50 0001 C CNN
  617. F 3 "~" H 9600 5850 50 0001 C CNN
  618. 1 9600 5850
  619. 0 1 1 0
  620. $EndComp
  621. Wire Wire Line
  622. 9750 5750 9950 5750
  623. Wire Wire Line
  624. 9750 5850 9950 5850
  625. Wire Wire Line
  626. 9450 5750 9250 5750
  627. Wire Wire Line
  628. 9450 5850 9250 5850
  629. Text Label 6100 1600 0 50 ~ 0
  630. T_NRST
  631. Text Label 9450 4850 0 50 ~ 0
  632. CONN_NRST
  633. Text Label 9250 5050 0 50 ~ 0
  634. CONN_CLK
  635. Text Label 9250 5150 0 50 ~ 0
  636. CONN_DIO
  637. Text Label 9250 5250 0 50 ~ 0
  638. CONN_SWD
  639. Text Label 9250 5350 0 50 ~ 0
  640. CONN_TDI
  641. Text Label 1500 6400 0 50 ~ 0
  642. CONN_NRST
  643. Text Label 1500 6600 0 50 ~ 0
  644. CONN_CLK
  645. Text Label 1500 6800 0 50 ~ 0
  646. CONN_DIO
  647. Text Label 1500 7000 0 50 ~ 0
  648. CONN_SWD
  649. Text Label 1500 7200 0 50 ~ 0
  650. CONN_TDI
  651. $Comp
  652. L Device:R R20
  653. U 1 1 5FDE338F
  654. P 1350 6400
  655. F 0 "R20" V 1250 6400 50 0000 C CNN
  656. F 1 "47" V 1350 6400 50 0000 C CNN
  657. F 2 "Resistor_SMD:R_0805_2012Metric" V 1280 6400 50 0001 C CNN
  658. F 3 "~" H 1350 6400 50 0001 C CNN
  659. 1 1350 6400
  660. 0 1 1 0
  661. $EndComp
  662. Text Label 1200 6400 2 50 ~ 0
  663. T_NRST
  664. $Comp
  665. L Device:R R21
  666. U 1 1 5FE0144B
  667. P 1350 6600
  668. F 0 "R21" V 1250 6600 50 0000 C CNN
  669. F 1 "47" V 1350 6600 50 0000 C CNN
  670. F 2 "Resistor_SMD:R_0805_2012Metric" V 1280 6600 50 0001 C CNN
  671. F 3 "~" H 1350 6600 50 0001 C CNN
  672. 1 1350 6600
  673. 0 1 1 0
  674. $EndComp
  675. $Comp
  676. L Device:R R22
  677. U 1 1 5FE014D9
  678. P 1350 6800
  679. F 0 "R22" V 1250 6800 50 0000 C CNN
  680. F 1 "47" V 1350 6800 50 0000 C CNN
  681. F 2 "Resistor_SMD:R_0805_2012Metric" V 1280 6800 50 0001 C CNN
  682. F 3 "~" H 1350 6800 50 0001 C CNN
  683. 1 1350 6800
  684. 0 1 1 0
  685. $EndComp
  686. $Comp
  687. L Device:R R23
  688. U 1 1 5FE01562
  689. P 1350 7000
  690. F 0 "R23" V 1250 7000 50 0000 C CNN
  691. F 1 "47" V 1350 7000 50 0000 C CNN
  692. F 2 "Resistor_SMD:R_0805_2012Metric" V 1280 7000 50 0001 C CNN
  693. F 3 "~" H 1350 7000 50 0001 C CNN
  694. 1 1350 7000
  695. 0 1 1 0
  696. $EndComp
  697. $Comp
  698. L Device:R R24
  699. U 1 1 5FE015EB
  700. P 1350 7200
  701. F 0 "R24" V 1250 7200 50 0000 C CNN
  702. F 1 "47" V 1350 7200 50 0000 C CNN
  703. F 2 "Resistor_SMD:R_0805_2012Metric" V 1280 7200 50 0001 C CNN
  704. F 3 "~" H 1350 7200 50 0001 C CNN
  705. 1 1350 7200
  706. 0 1 1 0
  707. $EndComp
  708. Text Label 1200 6600 2 50 ~ 0
  709. T_CLK
  710. Text Label 1200 6800 2 50 ~ 0
  711. T_DIO
  712. Text Label 1200 7000 2 50 ~ 0
  713. T_SWD
  714. Text Label 1200 7200 2 50 ~ 0
  715. T_TDI
  716. Text Label 6100 2700 0 50 ~ 0
  717. T_CLK
  718. Text Label 6100 2600 0 50 ~ 0
  719. T_DIO
  720. Text Label 3400 1500 2 50 ~ 0
  721. T_SWD
  722. Text Label 6000 3150 0 50 ~ 0
  723. T_TDI
  724. Wire Wire Line
  725. 6000 2800 6100 2800
  726. Wire Wire Line
  727. 6000 2700 6100 2700
  728. Wire Wire Line
  729. 6000 2600 6100 2600
  730. Wire Wire Line
  731. 6000 2300 6500 2300
  732. Wire Wire Line
  733. 6000 2100 7050 2100
  734. $Comp
  735. L Elabdev:STM32WLE5CCU6 U14
  736. U 1 1 5FF9B835
  737. P 4800 2600
  738. F 0 "U14" H 3750 3850 50 0000 C CNN
  739. F 1 "STM32WLE5CCU6" H 5600 3850 50 0000 C CNN
  740. F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm" V 4750 2600 39 0001 C CIN
  741. F 3 "https://www.st.com/resource/datasheet/stm32wle5jc.pdf" V 4850 2600 39 0001 C CNN
  742. 1 4800 2600
  743. 1 0 0 -1
  744. $EndComp
  745. Wire Wire Line
  746. 3500 1600 3600 1600
  747. Wire Wire Line
  748. 2300 1700 3600 1700
  749. NoConn ~ 3500 2000
  750. Wire Wire Line
  751. 3500 2000 3600 2000
  752. Wire Wire Line
  753. 3600 1500 3400 1500
  754. NoConn ~ 3500 2400
  755. Wire Wire Line
  756. 3500 2400 3600 2400
  757. NoConn ~ 3500 2500
  758. Wire Wire Line
  759. 3500 2500 3600 2500
  760. NoConn ~ 3600 2900
  761. Wire Wire Line
  762. 3500 3000 3600 3000
  763. Wire Wire Line
  764. 2050 2600 2050 2800
  765. Wire Wire Line
  766. 2050 2900 2050 3050
  767. Connection ~ 2050 2900
  768. Wire Wire Line
  769. 3600 2800 3200 2800
  770. Wire Wire Line
  771. 3200 2800 3200 3050
  772. Wire Wire Line
  773. 3200 3050 3000 3050
  774. Wire Wire Line
  775. 3600 2700 3100 2700
  776. Wire Wire Line
  777. 3100 2700 3100 2900
  778. Wire Wire Line
  779. 3100 2900 3000 2900
  780. $Comp
  781. L Device:Thermistor TH1
  782. U 1 1 600C68EA
  783. P 7300 2200
  784. F 0 "TH1" H 7405 2246 50 0000 L CNN
  785. F 1 "Thermistor" H 7405 2155 50 0000 L CNN
  786. F 2 "Resistor_SMD:R_0805_2012Metric" H 7300 2200 50 0001 C CNN
  787. F 3 "~" H 7300 2200 50 0001 C CNN
  788. 1 7300 2200
  789. 1 0 0 -1
  790. $EndComp
  791. $Comp
  792. L power:+3V3 #PWR0139
  793. U 1 1 600EE4D2
  794. P 7900 2000
  795. F 0 "#PWR0139" H 7900 1850 50 0001 C CNN
  796. F 1 "+3V3" H 7915 2173 50 0000 C CNN
  797. F 2 "" H 7900 2000 50 0001 C CNN
  798. F 3 "" H 7900 2000 50 0001 C CNN
  799. 1 7900 2000
  800. 1 0 0 -1
  801. $EndComp
  802. Wire Wire Line
  803. 7300 2000 7900 2000
  804. Wire Wire Line
  805. 8500 2000 7900 2000
  806. Connection ~ 7900 2000
  807. Text Notes 7750 2900 0 50 ~ 0
  808. Analogue sensor\ncircuit for use by\nhigher education
  809. Wire Notes Line
  810. 7700 2950 8450 2950
  811. Wire Notes Line
  812. 8450 2950 8450 2625
  813. Wire Notes Line
  814. 5950 7050 6050 7150
  815. Wire Notes Line
  816. 9950 2150 10050 2250
  817. Text Notes 6550 2950 0 50 ~ 0
  818. Ask sponsor for\nguidance, more\ncomplex sensors\nare also possible
  819. Wire Notes Line
  820. 6500 2600 6500 3000
  821. Wire Notes Line
  822. 6500 3000 7250 3000
  823. Wire Notes Line
  824. 7200 2450 7050 2600
  825. Text HLabel 3500 1200 0 50 UnSpc ~ 0
  826. PWR_VDDA
  827. Text HLabel 3900 1100 0 50 UnSpc ~ 0
  828. PWR_VLXSMPS
  829. Text HLabel 3900 1000 0 50 UnSpc ~ 0
  830. PWR_VFBSMPS
  831. Text HLabel 3900 900 0 50 UnSpc ~ 0
  832. PWR_VDDRF1V55
  833. Text HLabel 3900 800 0 50 UnSpc ~ 0
  834. PWR_VDDPA
  835. Text HLabel 5500 800 2 50 UnSpc ~ 0
  836. PWR_VDDRF
  837. Text HLabel 6000 900 2 50 UnSpc ~ 0
  838. PWR_VDD1
  839. Text HLabel 6000 1000 2 50 UnSpc ~ 0
  840. PWR_VDD2
  841. Text HLabel 6000 1100 2 50 UnSpc ~ 0
  842. PWR_VDDSMPS
  843. Text HLabel 6000 1200 2 50 UnSpc ~ 0
  844. PWR_VBAT
  845. Wire Wire Line
  846. 3500 1200 4000 1200
  847. Wire Wire Line
  848. 4000 1200 4000 1300
  849. Wire Wire Line
  850. 3900 1100 4200 1100
  851. Wire Wire Line
  852. 4200 1100 4200 1300
  853. Wire Wire Line
  854. 3900 1000 4300 1000
  855. Wire Wire Line
  856. 4300 1000 4300 1300
  857. Wire Wire Line
  858. 3900 900 4400 900
  859. Wire Wire Line
  860. 4400 900 4400 1300
  861. Wire Wire Line
  862. 3900 800 4500 800
  863. Wire Wire Line
  864. 4500 800 4500 1300
  865. Wire Wire Line
  866. 6000 1200 5200 1200
  867. Wire Wire Line
  868. 5200 1200 5200 1300
  869. Wire Wire Line
  870. 6000 1100 5100 1100
  871. Wire Wire Line
  872. 5100 1100 5100 1300
  873. Wire Wire Line
  874. 6000 1000 5000 1000
  875. Wire Wire Line
  876. 5000 1000 5000 1300
  877. Wire Wire Line
  878. 6000 900 4900 900
  879. Wire Wire Line
  880. 4900 900 4900 1300
  881. Wire Wire Line
  882. 8450 6050 8450 6150
  883. $Comp
  884. L power:GND #PWR0140
  885. U 1 1 5FD1B02D
  886. P 8450 6150
  887. F 0 "#PWR0140" H 8450 5900 50 0001 C CNN
  888. F 1 "GND" H 8455 5977 50 0000 C CNN
  889. F 2 "" H 8450 6150 50 0001 C CNN
  890. F 3 "" H 8450 6150 50 0001 C CNN
  891. 1 8450 6150
  892. -1 0 0 -1
  893. $EndComp
  894. Wire Wire Line
  895. 8450 6150 10450 6150
  896. Connection ~ 8450 6150
  897. Connection ~ 10450 6150
  898. Wire Wire Line
  899. 10450 6150 10450 6250
  900. Wire Wire Line
  901. 10450 4550 10450 4650
  902. $Comp
  903. L Device:Crystal Y4
  904. U 1 1 6032E22E
  905. P 2900 4050
  906. F 0 "Y4" V 3000 3900 50 0000 R CNN
  907. F 1 "NX2012SA" V 2900 3900 50 0000 R CNN
  908. F 2 "Crystal:Crystal_SMD_2012-2Pin_2.0x1.2mm" H 2900 4050 50 0001 C CNN
  909. F 3 "~" H 2900 4050 50 0001 C CNN
  910. F 4 "32KHz" V 2800 3900 50 0000 R CNN "Speed"
  911. 1 2900 4050
  912. 0 -1 -1 0
  913. $EndComp
  914. $Comp
  915. L Device:Crystal_GND24 Y3
  916. U 1 1 6032E62A
  917. P 2400 3450
  918. F 0 "Y3" V 2300 3200 50 0000 R CNN
  919. F 1 "NX2016SA" V 2400 3200 50 0000 R CNN
  920. F 2 "Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm" H 2400 3450 50 0001 C CNN
  921. F 3 "~" H 2400 3450 50 0001 C CNN
  922. F 4 "32MHz" V 2500 3200 50 0000 R CNN "Speed"
  923. 1 2400 3450
  924. 0 1 1 0
  925. $EndComp
  926. $Comp
  927. L Device:C_Small C76
  928. U 1 1 603459B1
  929. P 2700 3900
  930. F 0 "C76" V 2850 4025 50 0000 R CNN
  931. F 1 "7pF" V 2775 4150 50 0000 R CNN
  932. F 2 "Capacitor_SMD:C_0805_2012Metric" H 2700 3900 50 0001 C CNN
  933. F 3 "~" H 2700 3900 50 0001 C CNN
  934. 1 2700 3900
  935. 0 -1 -1 0
  936. $EndComp
  937. $Comp
  938. L Device:C_Small C77
  939. U 1 1 6034D3D2
  940. P 2700 4200
  941. F 0 "C77" V 2625 4350 50 0000 R CNN
  942. F 1 "7pF" V 2550 4475 50 0000 R CNN
  943. F 2 "Capacitor_SMD:C_0805_2012Metric" H 2700 4200 50 0001 C CNN
  944. F 3 "~" H 2700 4200 50 0001 C CNN
  945. 1 2700 4200
  946. 0 -1 -1 0
  947. $EndComp
  948. Wire Wire Line
  949. 2800 3900 2900 3900
  950. Wire Wire Line
  951. 2800 4200 2900 4200
  952. $Comp
  953. L power:GND #PWR0141
  954. U 1 1 60358D41
  955. P 2200 4250
  956. F 0 "#PWR0141" H 2200 4000 50 0001 C CNN
  957. F 1 "GND" H 2205 4077 50 0000 C CNN
  958. F 2 "" H 2200 4250 50 0001 C CNN
  959. F 3 "" H 2200 4250 50 0001 C CNN
  960. 1 2200 4250
  961. 1 0 0 -1
  962. $EndComp
  963. Wire Wire Line
  964. 2600 4200 2400 4200
  965. Wire Wire Line
  966. 2400 4200 2400 4050
  967. Wire Wire Line
  968. 2400 3900 2600 3900
  969. Wire Wire Line
  970. 2400 4050 2200 4050
  971. Connection ~ 2400 4050
  972. Wire Wire Line
  973. 2400 4050 2400 3900
  974. Wire Wire Line
  975. 2900 3900 3200 3900
  976. Connection ~ 2900 3900
  977. Wire Wire Line
  978. 2900 4200 3500 4200
  979. Connection ~ 2900 4200
  980. $Comp
  981. L power:GND #PWR0142
  982. U 1 1 603859C7
  983. P 2800 3350
  984. F 0 "#PWR0142" H 2800 3100 50 0001 C CNN
  985. F 1 "GND" H 2805 3177 50 0000 C CNN
  986. F 2 "" H 2800 3350 50 0001 C CNN
  987. F 3 "" H 2800 3350 50 0001 C CNN
  988. 1 2800 3350
  989. 1 0 0 -1
  990. $EndComp
  991. Wire Wire Line
  992. 2600 3450 2700 3450
  993. Wire Wire Line
  994. 2700 3450 2700 3350
  995. Wire Wire Line
  996. 2700 3350 2800 3350
  997. Wire Wire Line
  998. 2200 3450 2200 4050
  999. Wire Wire Line
  1000. 2400 3300 3600 3300
  1001. Wire Wire Line
  1002. 2400 3600 3000 3600
  1003. Wire Wire Line
  1004. 3600 3400 3000 3400
  1005. Wire Wire Line
  1006. 3000 3400 3000 3600
  1007. Wire Wire Line
  1008. 3600 3600 3200 3600
  1009. Wire Wire Line
  1010. 3200 3600 3200 3900
  1011. Wire Wire Line
  1012. 3600 3700 3500 3700
  1013. Wire Wire Line
  1014. 3500 3700 3500 4200
  1015. Connection ~ 9450 4550
  1016. Wire Wire Line
  1017. 9450 4550 10450 4550
  1018. Wire Wire Line
  1019. 8450 4550 9150 4550
  1020. Wire Wire Line
  1021. 1850 2800 2050 2800
  1022. Connection ~ 2050 2800
  1023. Wire Wire Line
  1024. 2050 2800 2050 2900
  1025. Connection ~ 2200 4050
  1026. Wire Wire Line
  1027. 2200 4050 2200 4250
  1028. Text HLabel 8850 3300 2 50 Input ~ 0
  1029. SW_RFI
  1030. Text HLabel 8850 3850 2 50 Output ~ 0
  1031. SW_RFO
  1032. Wire Wire Line
  1033. 6000 3500 6600 3500
  1034. $Comp
  1035. L Jumper:SolderJumper_3_Bridged12 JP25
  1036. U 1 1 604ADC57
  1037. P 6600 3700
  1038. F 0 "JP25" V 6646 3767 50 0000 L CNN
  1039. F 1 "SJMP" V 6555 3767 50 0000 L CNN
  1040. F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 6600 3700 50 0001 C CNN
  1041. F 3 "~" H 6600 3700 50 0001 C CNN
  1042. 1 6600 3700
  1043. 0 -1 -1 0
  1044. $EndComp
  1045. Wire Wire Line
  1046. 6000 3600 6300 3600
  1047. Wire Wire Line
  1048. 6300 3600 6300 3900
  1049. Wire Wire Line
  1050. 6300 3900 6600 3900
  1051. Wire Wire Line
  1052. 6750 3700 6950 3700
  1053. Wire Wire Line
  1054. 6000 3700 6200 3700
  1055. Wire Wire Line
  1056. 6200 3700 6200 4000
  1057. Wire Wire Line
  1058. 6200 4000 6350 4000
  1059. $Comp
  1060. L Device:C_Small C81
  1061. U 1 1 60506788
  1062. P 6350 4200
  1063. F 0 "C81" H 6250 4246 50 0000 R CNN
  1064. F 1 "47nF" H 6250 4155 50 0000 R CNN
  1065. F 2 "Capacitor_SMD:C_0805_2012Metric" H 6350 4200 50 0001 C CNN
  1066. F 3 "~" H 6350 4200 50 0001 C CNN
  1067. 1 6350 4200
  1068. 1 0 0 -1
  1069. $EndComp
  1070. $Comp
  1071. L Device:C_Small C82
  1072. U 1 1 605071CB
  1073. P 6550 4200
  1074. F 0 "C82" H 6642 4246 50 0000 L CNN
  1075. F 1 "68pF" H 6642 4155 50 0000 L CNN
  1076. F 2 "Capacitor_SMD:C_0805_2012Metric" H 6550 4200 50 0001 C CNN
  1077. F 3 "~" H 6550 4200 50 0001 C CNN
  1078. 1 6550 4200
  1079. 1 0 0 -1
  1080. $EndComp
  1081. $Comp
  1082. L power:GND #PWR0143
  1083. U 1 1 6051039E
  1084. P 6450 4450
  1085. F 0 "#PWR0143" H 6450 4200 50 0001 C CNN
  1086. F 1 "GND" H 6455 4277 50 0000 C CNN
  1087. F 2 "" H 6450 4450 50 0001 C CNN
  1088. F 3 "" H 6450 4450 50 0001 C CNN
  1089. 1 6450 4450
  1090. 1 0 0 -1
  1091. $EndComp
  1092. Wire Wire Line
  1093. 6350 4300 6350 4350
  1094. Wire Wire Line
  1095. 6350 4350 6450 4350
  1096. Wire Wire Line
  1097. 6550 4350 6550 4300
  1098. Wire Wire Line
  1099. 6450 4350 6450 4450
  1100. Connection ~ 6450 4350
  1101. Wire Wire Line
  1102. 6450 4350 6550 4350
  1103. Wire Wire Line
  1104. 6350 4100 6350 4000
  1105. Connection ~ 6350 4000
  1106. Wire Wire Line
  1107. 6350 4000 6550 4000
  1108. Wire Wire Line
  1109. 6550 4100 6550 4000
  1110. Connection ~ 6550 4000
  1111. Wire Wire Line
  1112. 6550 4000 6950 4000
  1113. Wire Wire Line
  1114. 1900 3300 2400 3300
  1115. Connection ~ 2400 3300
  1116. Wire Wire Line
  1117. 1900 3600 2400 3600
  1118. Connection ~ 2400 3600
  1119. Wire Wire Line
  1120. 1700 3300 1600 3300
  1121. Wire Wire Line
  1122. 1600 3300 1600 3450
  1123. Wire Wire Line
  1124. 1600 3600 1700 3600
  1125. $Comp
  1126. L power:GND #PWR0144
  1127. U 1 1 60581136
  1128. P 1500 3450
  1129. F 0 "#PWR0144" H 1500 3200 50 0001 C CNN
  1130. F 1 "GND" H 1505 3277 50 0000 C CNN
  1131. F 2 "" H 1500 3450 50 0001 C CNN
  1132. F 3 "" H 1500 3450 50 0001 C CNN
  1133. 1 1500 3450
  1134. -1 0 0 -1
  1135. $EndComp
  1136. Wire Wire Line
  1137. 1500 3450 1600 3450
  1138. Connection ~ 1600 3450
  1139. Wire Wire Line
  1140. 1600 3450 1600 3600
  1141. $Comp
  1142. L Device:C_Small C74
  1143. U 1 1 605597F3
  1144. P 1800 3300
  1145. F 0 "C74" V 1925 3250 50 0000 R CNN
  1146. F 1 "6,8pF" V 1850 3250 50 0000 R CNN
  1147. F 2 "Capacitor_SMD:C_0805_2012Metric" H 1800 3300 50 0001 C CNN
  1148. F 3 "~" H 1800 3300 50 0001 C CNN
  1149. 1 1800 3300
  1150. 0 -1 -1 0
  1151. $EndComp
  1152. $Comp
  1153. L Device:C_Small C75
  1154. U 1 1 605634E0
  1155. P 1800 3600
  1156. F 0 "C75" V 1725 3550 50 0000 R CNN
  1157. F 1 "6,8pF" V 1650 3550 50 0000 R CNN
  1158. F 2 "Capacitor_SMD:C_0805_2012Metric" H 1800 3600 50 0001 C CNN
  1159. F 3 "~" H 1800 3600 50 0001 C CNN
  1160. 1 1800 3600
  1161. 0 -1 -1 0
  1162. $EndComp
  1163. NoConn ~ 3600 3200
  1164. Wire Wire Line
  1165. 5500 800 4700 800
  1166. Wire Wire Line
  1167. 4700 800 4700 1300
  1168. Wire Wire Line
  1169. 7150 3700 7250 3700
  1170. Wire Wire Line
  1171. 7250 3700 7250 3850
  1172. Wire Wire Line
  1173. 7250 4000 7150 4000
  1174. Wire Wire Line
  1175. 7450 3850 7350 3850
  1176. Connection ~ 7250 3850
  1177. Wire Wire Line
  1178. 7250 3850 7250 4000
  1179. Wire Wire Line
  1180. 7650 3850 7750 3850
  1181. $Comp
  1182. L Device:C_Small C83
  1183. U 1 1 606109A8
  1184. P 7350 4150
  1185. F 0 "C83" H 7250 4196 50 0000 R CNN
  1186. F 1 "6,8pF" H 7250 4105 50 0000 R CNN
  1187. F 2 "Capacitor_SMD:C_0805_2012Metric" H 7350 4150 50 0001 C CNN
  1188. F 3 "~" H 7350 4150 50 0001 C CNN
  1189. 1 7350 4150
  1190. 1 0 0 -1
  1191. $EndComp
  1192. $Comp
  1193. L Device:L_Small L18
  1194. U 1 1 604A4410
  1195. P 7050 4000
  1196. F 0 "L18" V 6900 3950 50 0000 L CNN
  1197. F 1 "47nH" V 6990 3900 50 0000 L CNN
  1198. F 2 "Inductor_SMD:L_0805_2012Metric" H 7050 4000 50 0001 C CNN
  1199. F 3 "~" H 7050 4000 50 0001 C CNN
  1200. 1 7050 4000
  1201. 0 1 1 0
  1202. $EndComp
  1203. $Comp
  1204. L Device:L_Small L17
  1205. U 1 1 604E055B
  1206. P 7050 3700
  1207. F 0 "L17" V 6900 3700 50 0000 C CNN
  1208. F 1 "3,6nH" V 6990 3700 50 0000 C CNN
  1209. F 2 "Inductor_SMD:L_0805_2012Metric" H 7050 3700 50 0001 C CNN
  1210. F 3 "~" H 7050 3700 50 0001 C CNN
  1211. 1 7050 3700
  1212. 0 1 1 0
  1213. $EndComp
  1214. $Comp
  1215. L Device:C_Small C85
  1216. U 1 1 6061E220
  1217. P 7750 4150
  1218. F 0 "C85" H 7842 4196 50 0000 L CNN
  1219. F 1 "3,9pF" H 7842 4105 50 0000 L CNN
  1220. F 2 "Capacitor_SMD:C_0805_2012Metric" H 7750 4150 50 0001 C CNN
  1221. F 3 "~" H 7750 4150 50 0001 C CNN
  1222. 1 7750 4150
  1223. 1 0 0 -1
  1224. $EndComp
  1225. Wire Wire Line
  1226. 7350 4050 7350 3850
  1227. Connection ~ 7350 3850
  1228. Wire Wire Line
  1229. 7350 3850 7250 3850
  1230. Wire Wire Line
  1231. 7750 4050 7750 3850
  1232. Connection ~ 7750 3850
  1233. Wire Wire Line
  1234. 7750 3850 7850 3850
  1235. Wire Wire Line
  1236. 7350 4250 7350 4350
  1237. Wire Wire Line
  1238. 7350 4350 7550 4350
  1239. Wire Wire Line
  1240. 7750 4350 7750 4250
  1241. $Comp
  1242. L power:GND #PWR0145
  1243. U 1 1 6064028B
  1244. P 7550 4450
  1245. F 0 "#PWR0145" H 7550 4200 50 0001 C CNN
  1246. F 1 "GND" H 7555 4277 50 0000 C CNN
  1247. F 2 "" H 7550 4450 50 0001 C CNN
  1248. F 3 "" H 7550 4450 50 0001 C CNN
  1249. 1 7550 4450
  1250. 1 0 0 -1
  1251. $EndComp
  1252. Wire Wire Line
  1253. 7550 4450 7550 4350
  1254. Connection ~ 7550 4350
  1255. Wire Wire Line
  1256. 7550 4350 7750 4350
  1257. $Comp
  1258. L Device:L_Small L20
  1259. U 1 1 605D7DF1
  1260. P 7550 3850
  1261. F 0 "L20" V 7400 3850 50 0000 C CNN
  1262. F 1 "3,3nH" V 7482 3850 50 0000 C CNN
  1263. F 2 "Inductor_SMD:L_0805_2012Metric" H 7550 3850 50 0001 C CNN
  1264. F 3 "~" H 7550 3850 50 0001 C CNN
  1265. 1 7550 3850
  1266. 0 1 1 0
  1267. $EndComp
  1268. Wire Wire Line
  1269. 7450 3550 7350 3550
  1270. Wire Wire Line
  1271. 7350 3550 7350 3850
  1272. Wire Wire Line
  1273. 7650 3550 7750 3550
  1274. Wire Wire Line
  1275. 7750 3550 7750 3850
  1276. $Comp
  1277. L Device:L_Small L21
  1278. U 1 1 60665100
  1279. P 8250 3850
  1280. F 0 "L21" V 8100 3850 50 0000 C CNN
  1281. F 1 "6,8nH" V 8182 3850 50 0000 C CNN
  1282. F 2 "Inductor_SMD:L_0805_2012Metric" H 8250 3850 50 0001 C CNN
  1283. F 3 "~" H 8250 3850 50 0001 C CNN
  1284. 1 8250 3850
  1285. 0 1 1 0
  1286. $EndComp
  1287. Wire Wire Line
  1288. 8050 3850 8150 3850
  1289. $Comp
  1290. L power:GND #PWR0146
  1291. U 1 1 60671B30
  1292. P 8450 4050
  1293. F 0 "#PWR0146" H 8450 3800 50 0001 C CNN
  1294. F 1 "GND" H 8455 3877 50 0000 C CNN
  1295. F 2 "" H 8450 4050 50 0001 C CNN
  1296. F 3 "" H 8450 4050 50 0001 C CNN
  1297. 1 8450 4050
  1298. 1 0 0 -1
  1299. $EndComp
  1300. $Comp
  1301. L Device:C_Small C89
  1302. U 1 1 60671D3B
  1303. P 8450 3950
  1304. F 0 "C89" H 8542 3996 50 0000 L CNN
  1305. F 1 "2,7pF" H 8542 3905 50 0000 L CNN
  1306. F 2 "Capacitor_SMD:C_0805_2012Metric" H 8450 3950 50 0001 C CNN
  1307. F 3 "~" H 8450 3950 50 0001 C CNN
  1308. 1 8450 3950
  1309. 1 0 0 -1
  1310. $EndComp
  1311. Wire Wire Line
  1312. 8350 3850 8450 3850
  1313. $Comp
  1314. L Device:C_Small C87
  1315. U 1 1 605EDB09
  1316. P 7950 3850
  1317. F 0 "C87" V 7895 3800 50 0000 R CNN
  1318. F 1 "33pF" V 7800 3800 50 0000 R CNN
  1319. F 2 "Capacitor_SMD:C_0805_2012Metric" H 7950 3850 50 0001 C CNN
  1320. F 3 "~" H 7950 3850 50 0001 C CNN
  1321. 1 7950 3850
  1322. 0 -1 -1 0
  1323. $EndComp
  1324. Wire Wire Line
  1325. 8450 3850 8850 3850
  1326. Connection ~ 8450 3850
  1327. $Comp
  1328. L power:GND #PWR0147
  1329. U 1 1 607133F8
  1330. P 7950 3500
  1331. F 0 "#PWR0147" H 7950 3250 50 0001 C CNN
  1332. F 1 "GND" H 7955 3327 50 0000 C CNN
  1333. F 2 "" H 7950 3500 50 0001 C CNN
  1334. F 3 "" H 7950 3500 50 0001 C CNN
  1335. 1 7950 3500
  1336. 1 0 0 -1
  1337. $EndComp
  1338. $Comp
  1339. L Device:C_Small C86
  1340. U 1 1 60713402
  1341. P 7950 3400
  1342. F 0 "C86" H 8042 3446 50 0000 L CNN
  1343. F 1 "2,7pF" H 8042 3355 50 0000 L CNN
  1344. F 2 "Capacitor_SMD:C_0805_2012Metric" H 7950 3400 50 0001 C CNN
  1345. F 3 "~" H 7950 3400 50 0001 C CNN
  1346. 1 7950 3400
  1347. 1 0 0 -1
  1348. $EndComp
  1349. $Comp
  1350. L Device:C_Small C84
  1351. U 1 1 6064C7F1
  1352. P 7550 3550
  1353. F 0 "C84" V 7480 3400 50 0000 L CNN
  1354. F 1 "2,4pF" V 7480 3600 50 0000 L CNN
  1355. F 2 "Capacitor_SMD:C_0805_2012Metric" H 7550 3550 50 0001 C CNN
  1356. F 3 "~" H 7550 3550 50 0001 C CNN
  1357. 1 7550 3550
  1358. 0 1 1 0
  1359. $EndComp
  1360. $Comp
  1361. L Device:L_Small L19
  1362. U 1 1 6072062D
  1363. P 7450 3300
  1364. F 0 "L19" V 7300 3300 50 0000 C CNN
  1365. F 1 "11nH" V 7384 3300 50 0000 C CNN
  1366. F 2 "Inductor_SMD:L_0805_2012Metric" H 7450 3300 50 0001 C CNN
  1367. F 3 "~" H 7450 3300 50 0001 C CNN
  1368. 1 7450 3300
  1369. 0 1 1 0
  1370. $EndComp
  1371. Wire Wire Line
  1372. 7550 3300 7750 3300
  1373. Wire Wire Line
  1374. 7750 3300 7750 3400
  1375. Wire Wire Line
  1376. 7750 3300 7950 3300
  1377. Connection ~ 7750 3300
  1378. $Comp
  1379. L Device:C_Small C88
  1380. U 1 1 60780CD1
  1381. P 8250 3300
  1382. F 0 "C88" V 8021 3300 50 0000 C CNN
  1383. F 1 "3,6pF" V 8112 3300 50 0000 C CNN
  1384. F 2 "Capacitor_SMD:C_0805_2012Metric" H 8250 3300 50 0001 C CNN
  1385. F 3 "~" H 8250 3300 50 0001 C CNN
  1386. 1 8250 3300
  1387. 0 1 1 0
  1388. $EndComp
  1389. Wire Wire Line
  1390. 8150 3300 7950 3300
  1391. Connection ~ 7950 3300
  1392. $Comp
  1393. L power:GND #PWR0148
  1394. U 1 1 607B3F4E
  1395. P 8550 3500
  1396. F 0 "#PWR0148" H 8550 3250 50 0001 C CNN
  1397. F 1 "GND" H 8555 3327 50 0000 C CNN
  1398. F 2 "" H 8550 3500 50 0001 C CNN
  1399. F 3 "" H 8550 3500 50 0001 C CNN
  1400. 1 8550 3500
  1401. 1 0 0 -1
  1402. $EndComp
  1403. $Comp
  1404. L Device:C_Small C90
  1405. U 1 1 607B3F58
  1406. P 8550 3400
  1407. F 0 "C90" H 8642 3451 50 0000 L CNN
  1408. F 1 "1pF" H 8642 3361 50 0000 L CNN
  1409. F 2 "Capacitor_SMD:C_0805_2012Metric" H 8550 3400 50 0001 C CNN
  1410. F 3 "~" H 8550 3400 50 0001 C CNN
  1411. F 4 "DNP" H 8642 3270 50 0000 L CNN "Placement"
  1412. 1 8550 3400
  1413. 1 0 0 -1
  1414. $EndComp
  1415. Wire Wire Line
  1416. 8350 3300 8550 3300
  1417. Wire Wire Line
  1418. 6000 3300 7350 3300
  1419. Wire Wire Line
  1420. 6000 3400 7750 3400
  1421. Wire Wire Line
  1422. 8850 3300 8550 3300
  1423. Connection ~ 8550 3300
  1424. $Comp
  1425. L Elabdev:ALSPT19 Q1
  1426. U 1 1 608E48BC
  1427. P 8400 2200
  1428. F 0 "Q1" H 8250 2250 50 0000 R CNN
  1429. F 1 "ALSPT19" H 8250 2150 50 0000 R CNN
  1430. F 2 "Elabdev:ALS_TR8_SMT" H 8880 2060 50 0001 C CNN
  1431. F 3 "https://www.everlight.com/file/ProductFile/201407061531031645.pdf" H 8400 2200 50 0001 C CNN
  1432. 1 8400 2200
  1433. 1 0 0 -1
  1434. $EndComp
  1435. $Comp
  1436. L Device:R R34
  1437. U 1 1 608E51DE
  1438. P 8600 2650
  1439. F 0 "R34" H 8670 2696 50 0000 L CNN
  1440. F 1 "10K" V 8600 2650 50 0000 C CNN
  1441. F 2 "Resistor_SMD:R_0805_2012Metric" V 8530 2650 50 0001 C CNN
  1442. F 3 "~" H 8600 2650 50 0001 C CNN
  1443. 1 8600 2650
  1444. 1 0 0 -1
  1445. $EndComp
  1446. $Comp
  1447. L power:GND #PWR0149
  1448. U 1 1 608E586D
  1449. P 8600 2800
  1450. F 0 "#PWR0149" H 8600 2550 50 0001 C CNN
  1451. F 1 "GND" H 8605 2627 50 0000 C CNN
  1452. F 2 "" H 8600 2800 50 0001 C CNN
  1453. F 3 "" H 8600 2800 50 0001 C CNN
  1454. 1 8600 2800
  1455. -1 0 0 -1
  1456. $EndComp
  1457. Wire Notes Line
  1458. 7250 2600 7250 3000
  1459. Wire Notes Line
  1460. 6500 2600 7250 2600
  1461. Wire Notes Line
  1462. 7700 2950 7700 2625
  1463. Wire Notes Line
  1464. 7700 2625 8450 2625
  1465. Text Notes 9100 3650 0 50 ~ 0
  1466. Transceiver frequency balancing circuit,\nimportant to resonate at a given RF band
  1467. Wire Notes Line
  1468. 9050 3450 9050 3700
  1469. Wire Notes Line
  1470. 9050 3700 10750 3700
  1471. Wire Notes Line
  1472. 10750 3700 10750 3450
  1473. Wire Notes Line
  1474. 10750 3450 9050 3450
  1475. Wire Wire Line
  1476. 6900 1800 7000 1800
  1477. Wire Wire Line
  1478. 6000 1700 6000 1800
  1479. Text HLabel 6000 3000 2 50 Output ~ 0
  1480. FE_CTRL2
  1481. Wire Wire Line
  1482. 6000 2400 7300 2400
  1483. Wire Wire Line
  1484. 6000 2500 6400 2500
  1485. Text HLabel 6000 2200 2 50 Output ~ 0
  1486. FE_CTRL1
  1487. Text Notes 9350 3900 0 50 ~ 0
  1488. Hard coded at 868 MHz, and with\nsoftware configurable to 915 MHz
  1489. Wire Notes Line
  1490. 10700 3700 10700 3950
  1491. Wire Notes Line
  1492. 10700 3950 9300 3950
  1493. Wire Notes Line
  1494. 9300 3950 9300 3700
  1495. Text HLabel 3400 1800 0 50 Output ~ 0
  1496. RSTX
  1497. Text HLabel 3400 1900 0 50 Input ~ 0
  1498. RSRX
  1499. Text HLabel 900 2700 0 50 Output ~ 0
  1500. IDSC
  1501. Text Label 3500 3000 2 50 ~ 0
  1502. T_SCL1
  1503. Text Label 1200 2700 0 50 ~ 0
  1504. T_SCL1
  1505. $Comp
  1506. L Jumper:SolderJumper_2_Open JP22
  1507. U 1 1 60C15DFA
  1508. P 1050 2700
  1509. F 0 "JP22" H 1050 2905 50 0000 C CNN
  1510. F 1 "SolderJumper" H 1050 2814 50 0000 C CNN
  1511. F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 1050 2700 50 0001 C CNN
  1512. F 3 "~" H 1050 2700 50 0001 C CNN
  1513. 1 1050 2700
  1514. 1 0 0 -1
  1515. $EndComp
  1516. Text Label 6500 2300 0 50 ~ 0
  1517. T_SDA1
  1518. Text HLabel 900 3100 0 50 BiDi ~ 0
  1519. IDSD
  1520. Text Label 1200 3100 0 50 ~ 0
  1521. T_SDA1
  1522. $Comp
  1523. L Jumper:SolderJumper_2_Open JP23
  1524. U 1 1 60C3D9E5
  1525. P 1050 3100
  1526. F 0 "JP23" H 1050 3305 50 0000 C CNN
  1527. F 1 "SolderJumper" H 1050 3214 50 0000 C CNN
  1528. F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 1050 3100 50 0001 C CNN
  1529. F 3 "~" H 1050 3100 50 0001 C CNN
  1530. 1 1050 3100
  1531. 1 0 0 -1
  1532. $EndComp
  1533. $Comp
  1534. L Device:R R32
  1535. U 1 1 5F96FE4B
  1536. P 7400 2650
  1537. F 0 "R32" H 7475 2700 50 0000 L CNN
  1538. F 1 "10K" V 7400 2650 50 0000 C CNN
  1539. F 2 "Resistor_SMD:R_0805_2012Metric" V 7330 2650 50 0001 C CNN
  1540. F 3 "~" H 7400 2650 50 0001 C CNN
  1541. 1 7400 2650
  1542. 1 0 0 -1
  1543. $EndComp
  1544. $Comp
  1545. L power:GND #PWR0150
  1546. U 1 1 5F96FE55
  1547. P 7400 2800
  1548. F 0 "#PWR0150" H 7400 2550 50 0001 C CNN
  1549. F 1 "GND" H 7405 2627 50 0000 C CNN
  1550. F 2 "" H 7400 2800 50 0001 C CNN
  1551. F 3 "" H 7400 2800 50 0001 C CNN
  1552. 1 7400 2800
  1553. -1 0 0 -1
  1554. $EndComp
  1555. Wire Wire Line
  1556. 7300 2400 7400 2500
  1557. Connection ~ 7300 2400
  1558. Text Notes 6950 5300 0 50 ~ 0
  1559. Sorry, this should be\nhierarchy replaced to\nthe connectors sheet
  1560. Wire Notes Line
  1561. 6900 5025 6900 5350
  1562. Wire Notes Line
  1563. 6900 5350 7800 5350
  1564. Wire Notes Line
  1565. 7800 5350 7800 5025
  1566. Wire Notes Line
  1567. 7800 5025 6900 5025
  1568. Text HLabel 6400 2500 2 50 Output ~ 0
  1569. SNSC
  1570. Wire Wire Line
  1571. 8500 2400 8550 2450
  1572. Wire Wire Line
  1573. 7050 2100 7450 1700
  1574. Wire Wire Line
  1575. 7450 1700 8600 1700
  1576. Wire Wire Line
  1577. 8600 1700 8600 2400
  1578. Wire Wire Line
  1579. 8600 2400 8550 2450
  1580. Connection ~ 8550 2450
  1581. Wire Wire Line
  1582. 8550 2450 8600 2500
  1583. Text Label 6100 2400 0 50 ~ 0
  1584. V_NTC
  1585. Text Label 6100 2100 0 50 ~ 0
  1586. V_ALS
  1587. NoConn ~ 6000 3150
  1588. Text Notes 6200 3150 0 50 ~ 0
  1589. -DNC
  1590. Text HLabel 6100 2800 2 50 BiDi ~ 0
  1591. SNSD
  1592. $Comp
  1593. L Device:R_Small R35
  1594. U 1 1 5FC92B56
  1595. P 9150 4700
  1596. F 0 "R35" H 9209 4746 50 0000 L CNN
  1597. F 1 "100K" H 9209 4655 50 0000 L CNN
  1598. F 2 "Resistor_SMD:R_0805_2012Metric" H 9150 4700 50 0001 C CNN
  1599. F 3 "~" H 9150 4700 50 0001 C CNN
  1600. 1 9150 4700
  1601. 1 0 0 -1
  1602. $EndComp
  1603. Wire Wire Line
  1604. 9150 4800 9150 4850
  1605. Connection ~ 9150 4850
  1606. Wire Wire Line
  1607. 9150 4850 9950 4850
  1608. Wire Wire Line
  1609. 9150 4600 9150 4550
  1610. Connection ~ 9150 4550
  1611. Wire Wire Line
  1612. 9150 4550 9450 4550
  1613. $Comp
  1614. L Elabdev:CMM-2718AB-383161 MIC1
  1615. U 1 1 5F9D1A0D
  1616. P 1800 1300
  1617. F 0 "MIC1" H 1650 1550 50 0000 R CNN
  1618. F 1 "CMM-2718AB-383161" H 2700 1550 50 0000 R CNN
  1619. F 2 "Elabdev:CMM-2718AB-383161" H 900 950 50 0001 L CIN
  1620. F 3 "https://www.cui.com/product/resource/cmm-2718ab-383161-tr.pdf" H 1800 1300 50 0001 C CNN
  1621. 1 1800 1300
  1622. 1 0 0 -1
  1623. $EndComp
  1624. $Comp
  1625. L Device:C C93
  1626. U 1 1 5F9EFBBD
  1627. P 2300 1450
  1628. F 0 "C93" H 2415 1541 50 0000 L CNN
  1629. F 1 "10uF" H 2415 1450 50 0000 L CNN
  1630. F 2 "Capacitor_SMD:C_0805_2012Metric" H 2338 1300 50 0001 C CNN
  1631. F 3 "~" H 2300 1450 50 0001 C CNN
  1632. F 4 "Maybe-DNP" H 2415 1359 50 0000 L CNN "Placement"
  1633. 1 2300 1450
  1634. 1 0 0 -1
  1635. $EndComp
  1636. Wire Wire Line
  1637. 2200 1300 2300 1300
  1638. Wire Wire Line
  1639. 1800 1600 1400 1600
  1640. Wire Wire Line
  1641. 1400 1600 1400 1450
  1642. $Comp
  1643. L Device:C C92
  1644. U 1 1 5FA0A493
  1645. P 1400 1300
  1646. F 0 "C92" H 1300 1346 50 0000 R CNN
  1647. F 1 "0,1uF" H 1300 1255 50 0000 R CNN
  1648. F 2 "Capacitor_SMD:C_0805_2012Metric" H 1438 1150 50 0001 C CNN
  1649. F 3 "~" H 1400 1300 50 0001 C CNN
  1650. 1 1400 1300
  1651. 1 0 0 -1
  1652. $EndComp
  1653. Wire Wire Line
  1654. 1400 1150 1400 1000
  1655. Wire Wire Line
  1656. 1400 1000 1800 1000
  1657. NoConn ~ 3500 1600
  1658. Wire Wire Line
  1659. 2300 1600 2300 1700
  1660. $Comp
  1661. L power:GND #PWR039
  1662. U 1 1 5FA5F62A
  1663. P 1400 1600
  1664. F 0 "#PWR039" H 1400 1350 50 0001 C CNN
  1665. F 1 "GND" H 1405 1427 50 0000 C CNN
  1666. F 2 "" H 1400 1600 50 0001 C CNN
  1667. F 3 "" H 1400 1600 50 0001 C CNN
  1668. 1 1400 1600
  1669. 1 0 0 -1
  1670. $EndComp
  1671. $Comp
  1672. L power:+3V3 #PWR038
  1673. U 1 1 5FA6096D
  1674. P 1400 1000
  1675. F 0 "#PWR038" H 1400 850 50 0001 C CNN
  1676. F 1 "+3V3" H 1415 1173 50 0000 C CNN
  1677. F 2 "" H 1400 1000 50 0001 C CNN
  1678. F 3 "" H 1400 1000 50 0001 C CNN
  1679. 1 1400 1000
  1680. 1 0 0 -1
  1681. $EndComp
  1682. Connection ~ 1400 1000
  1683. Connection ~ 1400 1600
  1684. $EndSCHEMATC