EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 7 8
Title "Democratic Sendcomm"
Date "2020-09-25"
Rev "0.8.2"
Comp "Europalab Devices"
Comment1 "Copyright © 2020, Europalab Devices"
Comment2 "Fulfilling requirements of 20200210"
Comment3 "Pending quality assurance testing"
Comment4 "Release revision for manufacturing"
$EndDescr
$Comp
L Connector:Conn_01x06_Male J?
U 1 1 6006812D
P 4650 6200
AR Path="/5F53D5B5/6006812D" Ref="J?"  Part="1" 
AR Path="/60040981/6006812D" Ref="J5"  Part="1" 
F 0 "J5" H 4758 6581 50  0000 C CNN
F 1 "Conn_01x06_Male" H 4758 6490 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal" H 4650 6200 50  0001 C CNN
F 3 "~" H 4650 6200 50  0001 C CNN
	1    4650 6200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60068133
P 5550 6000
AR Path="/5F53D5B5/60068133" Ref="#PWR?"  Part="1" 
AR Path="/60040981/60068133" Ref="#PWR031"  Part="1" 
F 0 "#PWR031" H 5550 5750 50  0001 C CNN
F 1 "GND" H 5555 5827 50  0000 C CNN
F 2 "" H 5550 6000 50  0001 C CNN
F 3 "" H 5550 6000 50  0001 C CNN
	1    5550 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 6000 5550 6000
NoConn ~ 4850 6100
NoConn ~ 4850 6500
Wire Wire Line
	4850 6300 4950 6300
Wire Wire Line
	4850 6400 4950 6400
$Comp
L Connector:TestPoint TP?
U 1 1 60068140
P 4950 6200
AR Path="/5F53D5B5/60068140" Ref="TP?"  Part="1" 
AR Path="/60040981/60068140" Ref="TP7"  Part="1" 
F 0 "TP7" H 5008 6318 50  0000 L CNN
F 1 "TestPoint" H 5008 6227 50  0000 L CNN
F 2 "TestPoint:TestPoint_THTPad_D2.5mm_Drill1.2mm" H 5150 6200 50  0001 C CNN
F 3 "~" H 5150 6200 50  0001 C CNN
	1    4950 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 6200 4950 6200
NoConn ~ 6850 4150
NoConn ~ 6850 4250
$Comp
L power:+3V3 #PWR?
U 1 1 600B7E73
P 6350 3150
AR Path="/5F53D5B5/600B7E73" Ref="#PWR?"  Part="1" 
AR Path="/60040981/600B7E73" Ref="#PWR027"  Part="1" 
F 0 "#PWR027" H 6350 3000 50  0001 C CNN
F 1 "+3V3" H 6365 3323 50  0000 C CNN
F 2 "" H 6350 3150 50  0001 C CNN
F 3 "" H 6350 3150 50  0001 C CNN
	1    6350 3150
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 600B7E79
P 6950 3500
AR Path="/5F53D5B5/600B7E79" Ref="R?"  Part="1" 
AR Path="/60040981/600B7E79" Ref="R9"  Part="1" 
F 0 "R9" H 7020 3546 50  0000 L CNN
F 1 "100K" H 7020 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 6880 3500 50  0001 C CNN
F 3 "~" H 6950 3500 50  0001 C CNN
	1    6950 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6350 3450 6350 3250
Wire Wire Line
	6950 3350 6950 3250
Wire Wire Line
	6950 3250 6350 3250
Connection ~ 6350 3250
Wire Wire Line
	6350 3250 6350 3150
$Comp
L Connector:Conn_ARM_JTAG_SWD_10 J?
U 1 1 600B7E84
P 6350 4050
AR Path="/5F53D5B5/600B7E84" Ref="J?"  Part="1" 
AR Path="/60040981/600B7E84" Ref="J4"  Part="1" 
F 0 "J4" H 6050 4650 50  0000 R CNN
F 1 "Conn_ARM_JTAG_SWD_10" V 5850 4500 50  0000 R CNN
F 2 "Connector:Tag-Connect_TC2050-IDC-NL_2x05_P1.27mm_Vertical" H 6350 4050 50  0001 C CNN
F 3 "http://infocenter.arm.com/help/topic/com.arm.doc.ddi0314h/DDI0314H_coresight_components_trm.pdf" V 6000 2800 50  0001 C CNN
	1    6350 4050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 600B7E8A
P 6300 4750
AR Path="/5F53D5B5/600B7E8A" Ref="#PWR?"  Part="1" 
AR Path="/60040981/600B7E8A" Ref="#PWR028"  Part="1" 
F 0 "#PWR028" H 6300 4500 50  0001 C CNN
F 1 "GND" H 6305 4577 50  0000 C CNN
F 2 "" H 6300 4750 50  0001 C CNN
F 3 "" H 6300 4750 50  0001 C CNN
	1    6300 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	6250 4650 6250 4700
Wire Wire Line
	6250 4700 6300 4700
Wire Wire Line
	6300 4700 6300 4750
Wire Wire Line
	6350 4650 6350 4700
Wire Wire Line
	6350 4700 6300 4700
Connection ~ 6300 4700
Wire Wire Line
	6850 3750 6950 3750
Wire Wire Line
	6950 3750 6950 3650
Text HLabel 6950 4050 2    50   BiDi ~ 0
SWDIO
Wire Wire Line
	6850 4050 6950 4050
Wire Wire Line
	6850 3950 6950 3950
Text HLabel 6950 3950 2    50   Output ~ 0
SWDCLK
Text HLabel 6950 3750 2    50   UnSpc ~ 0
CMDRST
Text HLabel 4950 6300 2    50   Input ~ 0
UART_RX
Text HLabel 4950 6400 2    50   Output ~ 0
UART_TX
Text Notes 6200 1900 0    100  ~ 0
SWD
Text Notes 4800 5350 0    100  ~ 0
UART
$Comp
L Connector:Raspberry_Pi_2_3 J3
U 1 1 5F6A7FD9
P 9100 3800
F 0 "J3" H 8450 5050 50  0000 C CNN
F 1 "RPIHAT-40W" H 9600 5050 50  0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 9100 3800 50  0001 C CNN
F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 9100 3800 50  0001 C CNN
	1    9100 3800
	1    0    0    -1  
$EndComp
Text HLabel 9900 2900 2    50   BiDi ~ 0
ID_SD
Text HLabel 9900 3000 2    50   Output ~ 0
ID_SC
NoConn ~ 9900 3200
NoConn ~ 9900 3300
NoConn ~ 9900 3500
NoConn ~ 9900 3600
NoConn ~ 9900 3700
NoConn ~ 9900 3900
NoConn ~ 9900 4000
NoConn ~ 9900 4100
NoConn ~ 9900 4200
NoConn ~ 9900 4300
NoConn ~ 9900 4500
NoConn ~ 9900 4600
NoConn ~ 8900 2500
NoConn ~ 9000 2500
NoConn ~ 8300 3200
NoConn ~ 8300 3300
NoConn ~ 8300 3400
NoConn ~ 8300 3600
NoConn ~ 8300 3700
NoConn ~ 8300 3800
NoConn ~ 8300 4000
NoConn ~ 8300 4100
NoConn ~ 8300 4200
NoConn ~ 8300 4300
NoConn ~ 8300 4400
NoConn ~ 8300 4500
$Comp
L power:GND #PWR030
U 1 1 5F6D966D
P 8700 5300
F 0 "#PWR030" H 8700 5050 50  0001 C CNN
F 1 "GND" H 8705 5127 50  0000 C CNN
F 2 "" H 8700 5300 50  0001 C CNN
F 3 "" H 8700 5300 50  0001 C CNN
	1    8700 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 5100 8700 5200
Wire Wire Line
	8800 5100 8800 5200
Wire Wire Line
	8800 5200 8700 5200
Connection ~ 8700 5200
Wire Wire Line
	8700 5200 8700 5300
Wire Wire Line
	8900 5100 8900 5200
Wire Wire Line
	8900 5200 8800 5200
Connection ~ 8800 5200
Wire Wire Line
	9000 5100 9000 5200
Wire Wire Line
	9000 5200 8900 5200
Connection ~ 8900 5200
Wire Wire Line
	9100 5100 9100 5200
Wire Wire Line
	9100 5200 9000 5200
Connection ~ 9000 5200
Wire Wire Line
	9200 5100 9200 5200
Wire Wire Line
	9200 5200 9100 5200
Connection ~ 9100 5200
Wire Wire Line
	9300 5100 9300 5200
Wire Wire Line
	9300 5200 9200 5200
Connection ~ 9200 5200
Wire Wire Line
	9400 5100 9400 5200
Wire Wire Line
	9400 5200 9300 5200
Connection ~ 9300 5200
$Comp
L power:+3V3 #PWR?
U 1 1 5F6E4AB0
P 9200 2300
AR Path="/5F53D5B5/5F6E4AB0" Ref="#PWR?"  Part="1" 
AR Path="/60040981/5F6E4AB0" Ref="#PWR026"  Part="1" 
F 0 "#PWR026" H 9200 2150 50  0001 C CNN
F 1 "+3V3" H 9215 2473 50  0000 C CNN
F 2 "" H 9200 2300 50  0001 C CNN
F 3 "" H 9200 2300 50  0001 C CNN
	1    9200 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 2500 9200 2400
Wire Wire Line
	9300 2500 9300 2400
Wire Wire Line
	9300 2400 9200 2400
Connection ~ 9200 2400
Wire Wire Line
	9200 2400 9200 2300
Text HLabel 7500 3000 0    50   Input ~ 0
UART_RX
Text HLabel 7500 2900 0    50   Output ~ 0
UART_TX
$Comp
L Device:Jumper_NO_Small JP2
U 1 1 5F6EEE9D
P 7900 2900
F 0 "JP2" H 7900 3085 50  0000 C CNN
F 1 "Jumper_NO_Small" H 7900 2994 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 7900 2900 50  0001 C CNN
F 3 "~" H 7900 2900 50  0001 C CNN
	1    7900 2900
	1    0    0    -1  
$EndComp
$Comp
L Device:Jumper_NO_Small JP3
U 1 1 5F6F4E2A
P 7900 3000
F 0 "JP3" H 7650 2950 50  0000 C CNN
F 1 "Jumper_NO_Small" H 7900 2850 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 7900 3000 50  0001 C CNN
F 3 "~" H 7900 3000 50  0001 C CNN
	1    7900 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 2900 8300 2900
Wire Wire Line
	8000 3000 8300 3000
Wire Wire Line
	7800 2900 7500 2900
Wire Wire Line
	7800 3000 7500 3000
Text Notes 8900 1900 0    100  ~ 0
HAT
Wire Wire Line
	3300 2500 2900 2500
Connection ~ 3300 2500
$Comp
L power:PWR_FLAG #FLG08
U 1 1 5F59B582
P 3300 2500
F 0 "#FLG08" H 3300 2575 50  0001 C CNN
F 1 "PWR_FLAG" H 3300 2673 50  0000 C CNN
F 2 "" H 3300 2500 50  0001 C CNN
F 3 "~" H 3300 2500 50  0001 C CNN
	1    3300 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 4450 2300 4450
Wire Wire Line
	4200 3100 4200 4450
Connection ~ 4200 4450
Wire Wire Line
	4600 4450 4200 4450
Wire Wire Line
	4600 3100 4600 4450
Connection ~ 4600 4450
Wire Wire Line
	5000 4450 4600 4450
Wire Wire Line
	3200 3200 3100 3200
Wire Wire Line
	3200 3100 3100 3100
Text Notes 3200 1900 0    100  ~ 0
USB
Text HLabel 5200 2500 2    50   UnSpc ~ 0
USB_BUS
Text HLabel 3200 3200 2    50   BiDi ~ 0
USB_P
Text HLabel 3200 3100 2    50   BiDi ~ 0
USB_N
NoConn ~ 2900 3700
NoConn ~ 2900 3600
Wire Wire Line
	2900 2800 4200 2800
Wire Wire Line
	4600 2700 4600 2800
Wire Wire Line
	2900 2700 4600 2700
$Comp
L Device:R R?
U 1 1 6005D79D
P 4600 2950
AR Path="/5F53D5B5/6005D79D" Ref="R?"  Part="1" 
AR Path="/60040981/6005D79D" Ref="R8"  Part="1" 
F 0 "R8" H 4670 2996 50  0000 L CNN
F 1 "2K4" H 4670 2905 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4530 2950 50  0001 C CNN
F 3 "~" H 4600 2950 50  0001 C CNN
	1    4600 2950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 6005D791
P 4200 2950
AR Path="/5F53D5B5/6005D791" Ref="R?"  Part="1" 
AR Path="/60040981/6005D791" Ref="R7"  Part="1" 
F 0 "R7" H 4270 2996 50  0000 L CNN
F 1 "2K4" H 4270 2905 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4130 2950 50  0001 C CNN
F 3 "~" H 4200 2950 50  0001 C CNN
	1    4200 2950
	1    0    0    -1  
$EndComp
Connection ~ 2300 4450
Wire Wire Line
	5000 2900 5000 4450
Wire Wire Line
	4200 2500 5000 2500
Wire Wire Line
	5000 2500 5200 2500
Connection ~ 5000 2500
Wire Wire Line
	5000 2600 5000 2500
$Comp
L Device:R R?
U 1 1 6005D77E
P 5000 2750
AR Path="/5F53D5B5/6005D77E" Ref="R?"  Part="1" 
AR Path="/60040981/6005D77E" Ref="R6"  Part="1" 
F 0 "R6" H 5070 2796 50  0000 L CNN
F 1 "47K" H 5070 2705 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4930 2750 50  0001 C CNN
F 3 "~" H 5000 2750 50  0001 C CNN
	1    5000 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 6005D774
P 4050 2500
AR Path="/5F53D5B5/6005D774" Ref="R?"  Part="1" 
AR Path="/60040981/6005D774" Ref="R5"  Part="1" 
F 0 "R5" V 4050 2500 50  0000 C CNN
F 1 "47K" V 3934 2500 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3980 2500 50  0001 C CNN
F 3 "~" H 4050 2500 50  0001 C CNN
	1    4050 2500
	0    1    1    0   
$EndComp
Wire Wire Line
	3100 3000 2900 3000
Wire Wire Line
	3100 3100 3100 3000
Connection ~ 3100 3100
Wire Wire Line
	2900 3100 3100 3100
Connection ~ 3100 3000
Wire Wire Line
	4000 3000 3100 3000
Wire Wire Line
	4000 3300 4000 3000
Wire Wire Line
	3900 2500 3800 2500
Wire Wire Line
	3800 2500 3300 2500
Connection ~ 3800 2500
Wire Wire Line
	3800 3100 3800 2500
Wire Wire Line
	2300 4250 2300 4450
Wire Wire Line
	2300 4000 2300 4250
Connection ~ 2300 4250
Wire Wire Line
	3800 4250 2300 4250
Wire Wire Line
	3800 3500 3800 4250
Wire Wire Line
	3100 3300 3600 3300
Wire Wire Line
	3100 3200 3100 3300
Connection ~ 3100 3200
Wire Wire Line
	2900 3200 3100 3200
Connection ~ 3100 3300
Wire Wire Line
	2900 3300 3100 3300
$Comp
L Power_Protection:NUP2202 U?
U 1 1 6005D760
P 3800 3300
AR Path="/5F53D5B5/6005D760" Ref="U?"  Part="1" 
AR Path="/60040981/6005D760" Ref="U5"  Part="1" 
F 0 "U5" H 3850 3500 50  0000 L CNN
F 1 "NUP2202" H 3650 3050 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 3880 3375 50  0001 C CNN
F 3 "http://www.onsemi.ru.com/pub_link/Collateral/NUP2202W1-D.PDF" H 3880 3375 50  0001 C CNN
	1    3800 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 4750 2300 4800
Connection ~ 2300 4750
Wire Wire Line
	1900 4750 2300 4750
Wire Wire Line
	1900 4500 1900 4750
Wire Wire Line
	2300 4450 2300 4600
Wire Wire Line
	2300 4600 2300 4750
Connection ~ 2300 4600
Wire Wire Line
	2100 4600 2300 4600
Wire Wire Line
	2100 4500 2100 4600
Wire Wire Line
	2100 4200 2100 4100
Wire Wire Line
	1900 4100 1900 4200
Wire Wire Line
	2100 4100 2000 4100
Wire Wire Line
	2000 4100 1900 4100
Connection ~ 2000 4100
Wire Wire Line
	2000 4000 2000 4100
$Comp
L power:GND #PWR?
U 1 1 6005D74C
P 2300 4800
AR Path="/5F53D5B5/6005D74C" Ref="#PWR?"  Part="1" 
AR Path="/60040981/6005D74C" Ref="#PWR029"  Part="1" 
F 0 "#PWR029" H 2300 4550 50  0001 C CNN
F 1 "GND" H 2305 4627 50  0000 C CNN
F 2 "" H 2300 4800 50  0001 C CNN
F 3 "" H 2300 4800 50  0001 C CNN
	1    2300 4800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 6005D746
P 1900 4350
AR Path="/5F53D5B5/6005D746" Ref="C?"  Part="1" 
AR Path="/60040981/6005D746" Ref="C40"  Part="1" 
F 0 "C40" H 1700 4400 50  0000 L CNN
F 1 "4,7nF" H 1600 4300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1938 4200 50  0001 C CNN
F 3 "~" H 1900 4350 50  0001 C CNN
	1    1900 4350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 6005D740
P 2100 4350
AR Path="/5F53D5B5/6005D740" Ref="R?"  Part="1" 
AR Path="/60040981/6005D740" Ref="R10"  Part="1" 
F 0 "R10" H 2170 4396 50  0000 L CNN
F 1 "1M" H 2170 4305 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2030 4350 50  0001 C CNN
F 3 "~" H 2100 4350 50  0001 C CNN
	1    2100 4350
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_C_Receptacle_USB2.0 J?
U 1 1 6005D73A
P 2300 3100
AR Path="/5F53D5B5/6005D73A" Ref="J?"  Part="1" 
AR Path="/60040981/6005D73A" Ref="J2"  Part="1" 
F 0 "J2" H 2407 3967 50  0000 C CNN
F 1 "USB_C_Receptacle_USB2.0" H 2407 3876 50  0000 C CNN
F 2 "Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12" H 2450 3100 50  0001 C CNN
F 3 "https://www.usb.org/sites/default/files/documents/usb_type-c.zip" H 2450 3100 50  0001 C CNN
	1    2300 3100
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x04_Top_Bottom J6
U 1 1 5F9DDFF1
P 3100 6150
F 0 "J6" H 3150 6467 50  0000 C CNN
F 1 "Conn_02x04_Top_Bottom" H 3150 6376 50  0000 C CNN
F 2 "Elabdev:Millmax_Pogopin_2x4_P2.54mm" H 3100 6150 50  0001 C CNN
F 3 "~" H 3100 6150 50  0001 C CNN
	1    3100 6150
	1    0    0    -1  
$EndComp
Text Notes 2950 5350 0    100  ~ 0
POGO
NoConn ~ 2900 6050
NoConn ~ 2900 6150
NoConn ~ 2900 6250
NoConn ~ 2900 6350
NoConn ~ 3400 6050
NoConn ~ 3400 6150
NoConn ~ 3400 6250
NoConn ~ 3400 6350
$Comp
L Elabdev:Soldfeld SF1
U 1 1 5FA04057
P 1550 6200
F 0 "SF1" H 1778 6246 50  0000 L CNN
F 1 "Soldfeld" H 1778 6155 50  0000 L CNN
F 2 "Elabdev:SolderlittleArea_8" H 1550 6000 50  0001 C CNN
F 3 "" H 1550 6200 50  0001 C CNN
	1    1550 6200
	1    0    0    -1  
$EndComp
Text Notes 1400 5500 0    100  ~ 0
Sold\nfield
$EndSCHEMATC