Initialise schematic hierarchy and add nested blocks for controller logic.

hardware/ctrl-mchip.sch

@@ -0,0 +1,27 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 2 3
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Elabdev:ATSAMR34 U1
+U 1 1 5F543EF6
+P 3950 3950
+F 0 "U1" H 3950 5931 50  0000 C CNN
+F 1 "ATSAMR34" H 3950 5840 50  0000 C CNN
+F 2 "Elabdev:TFBGA-64_8x8_6.0x6.0mm_P0.65mm" H 3950 4000 50  0001 C CIN
+F 3 "https://ww1.microchip.com/downloads/en/DeviceDoc/SAMR34-R35-Low-Power-LoRa-Sub-GHz-SiP-Data-Sheet-DS70005356B.pdf" H 3950 3900 50  0001 C CNN
+	1    3950 3950
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC

hardware/ctrl-stmicro.sch

@@ -0,0 +1,27 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 3 3
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Elabdev:STM32WLE5C U2
+U 1 1 5F549D72
+P 3950 3950
+F 0 "U2" H 3950 2561 50  0000 C CNN
+F 1 "STM32WLE5C" H 3950 2470 50  0000 C CNN
+F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm" V 3900 3950 39  0001 C CIN
+F 3 "https://www.st.com/resource/datasheet/stm32wle5jc.pdf" V 4000 3950 39  0001 C CNN
+	1    3950 3950
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC

hardware/dscomm.sch

@@ -3,7 +3,7 @@ EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 1 1
+Sheet 1 3
 Title "Democratic Sendcomm"
 Date "2020-08-30"
 Rev "0.8.0"
@@ -13,4 +13,156 @@ Comment2 "Fulfilling requirements of 20200210"
 Comment3 "Pending quality assurance testing"
 Comment4 "Release revision for manufacturing"
 $EndDescr
+$Comp
+L Mechanical:Fiducial FID1
+U 1 1 5F4C4F46
+P 750 6900
+F 0 "FID1" H 835 6946 50  0000 L CNN
+F 1 "Fiducial" H 835 6855 50  0000 L CNN
+F 2 "" H 750 6900 50  0001 C CNN
+F 3 "~" H 750 6900 50  0001 C CNN
+	1    750  6900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:Fiducial FID2
+U 1 1 5F4C52FB
+P 750 7100
+F 0 "FID2" H 835 7146 50  0000 L CNN
+F 1 "Fiducial" H 835 7055 50  0000 L CNN
+F 2 "" H 750 7100 50  0001 C CNN
+F 3 "~" H 750 7100 50  0001 C CNN
+	1    750  7100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:MountingHole H1
+U 1 1 5F4C592E
+P 1550 6700
+F 0 "H1" H 1650 6746 50  0000 L CNN
+F 1 "MountingHole" H 1650 6655 50  0000 L CNN
+F 2 "" H 1550 6700 50  0001 C CNN
+F 3 "~" H 1550 6700 50  0001 C CNN
+	1    1550 6700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:MountingHole H2
+U 1 1 5F4C5CD0
+P 1550 6900
+F 0 "H2" H 1650 6946 50  0000 L CNN
+F 1 "MountingHole" H 1650 6855 50  0000 L CNN
+F 2 "" H 1550 6900 50  0001 C CNN
+F 3 "~" H 1550 6900 50  0001 C CNN
+	1    1550 6900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:MountingHole H3
+U 1 1 5F4C5F8D
+P 1550 7100
+F 0 "H3" H 1650 7146 50  0000 L CNN
+F 1 "MountingHole" H 1650 7055 50  0000 L CNN
+F 2 "" H 1550 7100 50  0001 C CNN
+F 3 "~" H 1550 7100 50  0001 C CNN
+	1    1550 7100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:MountingHole H4
+U 1 1 5F4C6223
+P 1550 7300
+F 0 "H4" H 1650 7346 50  0000 L CNN
+F 1 "MountingHole" H 1650 7255 50  0000 L CNN
+F 2 "" H 1550 7300 50  0001 C CNN
+F 3 "~" H 1550 7300 50  0001 C CNN
+	1    1550 7300
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:Fiducial FID3
+U 1 1 5F4EEDB8
+P 750 7300
+F 0 "FID3" H 835 7346 50  0000 L CNN
+F 1 "Fiducial" H 835 7255 50  0000 L CNN
+F 2 "" H 750 7300 50  0001 C CNN
+F 3 "~" H 750 7300 50  0001 C CNN
+	1    750  7300
+	1    0    0    -1  
+$EndComp
+$Comp
+L Mechanical:Fiducial FID4
+U 1 1 5F4EF4FC
+P 750 7500
+F 0 "FID4" H 835 7546 50  0000 L CNN
+F 1 "Fiducial" H 835 7455 50  0000 L CNN
+F 2 "" H 750 7500 50  0001 C CNN
+F 3 "~" H 750 7500 50  0001 C CNN
+	1    750  7500
+	1    0    0    -1  
+$EndComp
+$Sheet
+S 1300 1250 1200 800 
+U 5F53D5B5
+F0 "Sheet5F53D5B4" 50
+F1 "ctrl-mchip.sch" 50
+$EndSheet
+$Sheet
+S 1300 2450 1200 800 
+U 5F53D687
+F0 "Sheet5F53D686" 50
+F1 "ctrl-stmicro.sch" 50
+$EndSheet
+Wire Wire Line
+	1550 6700 1350 6700
+Wire Wire Line
+	1350 6700 1350 6900
+Wire Wire Line
+	1550 6900 1350 6900
+Connection ~ 1350 6900
+Wire Wire Line
+	1350 6900 1350 7100
+Wire Wire Line
+	1550 7100 1350 7100
+Connection ~ 1350 7100
+Wire Wire Line
+	1350 7100 1350 7300
+Wire Wire Line
+	1550 7300 1350 7300
+Connection ~ 1350 7300
+Wire Wire Line
+	1350 7300 1350 7400
+$Comp
+L power:GND #PWR0101
+U 1 1 5F53FB61
+P 1350 7400
+F 0 "#PWR0101" H 1350 7150 50  0001 C CNN
+F 1 "GND" H 1355 7227 50  0000 C CNN
+F 2 "" H 1350 7400 50  0001 C CNN
+F 3 "" H 1350 7400 50  0001 C CNN
+	1    1350 7400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:PWR_FLAG #FLG0101
+U 1 1 5F542A12
+P 2550 7400
+F 0 "#FLG0101" H 2550 7475 50  0001 C CNN
+F 1 "PWR_FLAG" H 2550 7573 50  0000 C CNN
+F 2 "" H 2550 7400 50  0001 C CNN
+F 3 "~" H 2550 7400 50  0001 C CNN
+	1    2550 7400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0102
+U 1 1 5F543015
+P 2550 7400
+F 0 "#PWR0102" H 2550 7150 50  0001 C CNN
+F 1 "GND" H 2555 7227 50  0000 C CNN
+F 2 "" H 2550 7400 50  0001 C CNN
+F 3 "" H 2550 7400 50  0001 C CNN
+	1    2550 7400
+	1    0    0    -1  
+$EndComp
 $EndSCHEMATC