APPMC-WSP80.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_01x02 J1
U 1 1 5FB6F0E1
P 900 2550
F 0 "J1" H 900 2650 50  0000 C CNN
F 1 "+ 30V max" H 818 2676 50  0001 C CNN
F 2 "Custom:Degson_DG301-5.0-2" H 900 2550 50  0001 C CNN
F 3 "~" H 900 2550 50  0001 C CNN
F 4 "DEGSON:DG301-5.0-02P-12-00A(H)" H 900 2550 50  0001 C CNN "Mfg"
F 5 "DG301-5.0-2P12" H 900 2550 50  0001 C CNN "TME"
F 6 "VIn" H 1050 2500 50  0000 C CNN "Text"
	1    900  2550
	-1   0    0    -1  
$EndComp
Text Notes 2200 2300 0    39   Italic 0
High-voltage (>30V) SOT-223-3 LDO:\n-MIC5239-3.3YS\n-MIC5233-3.3YS (36V)\n-LT1129CST-3.3\n-LT1121CST-3.3\n-SPX2954M3-L-3-3\n-NCV4274AST33T3G (40V)\n-NCV4264-2CST33T3G (45V)\n-MCP1790-3302E\n-MCP1799-3302H (45V)
Wire Wire Line
	6500 3800 6800 3800
Wire Wire Line
	6500 3700 6800 3700
Wire Wire Line
	4900 3200 5200 3200
Text Label 4950 3200 0    50   ~ 0
SCK
Text Label 6550 3700 0    50   ~ 0
SWDIO
Text Label 6550 3800 0    50   ~ 0
SWCLK
Text Label 4950 3100 0    50   ~ 0
MOSI
Wire Wire Line
	6500 2500 6800 2500
Wire Wire Line
	6500 3400 6800 3400
Text Label 6550 3400 0    50   ~ 0
RX_A
Text Label 6550 3300 0    50   ~ 0
TX_A
Wire Wire Line
	4900 1400 5200 1400
Text Label 4900 1400 0    50   ~ 0
ENC_A
Text Label 4900 1500 0    50   ~ 0
ENC_B
Text Label 4950 2900 0    50   ~ 0
BTN
Wire Wire Line
	6500 2400 6800 2400
Text Label 6550 2400 0    50   ~ 0
ADC_A
Text Label 4950 2200 0    50   ~ 0
NRST
$Comp
L Connector_Generic:Conn_02x07_Odd_Even J10
U 1 1 5FB7FE19
P 9750 1400
F 0 "J10" H 9800 1917 50  0000 C CNN
F 1 "STLINK-V3" H 9800 1826 50  0000 C CNN
F 2 "Custom:PinHeader_2x07_P1.27mm_Vertical" H 9750 1400 50  0001 C CNN
F 3 "~" H 9750 1400 50  0001 C CNN
F 4 "" H 9750 1400 50  0001 C CNN "Farnell"
F 5 "Amp: 20021111-00014T4LF, Wurth: 62201421121" H 9750 1400 50  0001 C CNN "Mfg"
	1    9750 1400
	1    0    0    -1  
$EndComp
NoConn ~ 9550 1100
NoConn ~ 10050 1100
NoConn ~ 10050 1400
NoConn ~ 9550 1500
NoConn ~ 10050 1500
Wire Wire Line
	10050 1200 10300 1200
Wire Wire Line
	10050 1300 10300 1300
Wire Wire Line
	10050 1600 10300 1600
Wire Wire Line
	9550 1200 9300 1200
Wire Wire Line
	9550 1300 9300 1300
Wire Wire Line
	9550 1400 9300 1400
Wire Wire Line
	9550 1700 9300 1700
Wire Wire Line
	9550 1600 9500 1600
Wire Wire Line
	9500 1600 9450 1550
$Comp
L Device:R_Small R27
U 1 1 5FB8A365
P 9350 1550
F 0 "R27" V 9250 1350 50  0000 C CNN
F 1 "100Ω" V 9245 1550 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9350 1550 50  0001 C CNN
F 3 "~" H 9350 1550 50  0001 C CNN
	1    9350 1550
	0    1    1    0   
$EndComp
Wire Wire Line
	9250 1550 9100 1550
Text Label 10050 1200 0    50   ~ 0
SWDIO
Text Label 10050 1300 0    50   ~ 0
SWCLK
Text Label 10100 1600 0    50   ~ 0
NRST
Text Label 10100 1700 0    50   ~ 0
TX_A
Text Label 9350 1700 0    50   ~ 0
RX_A
Text Label 9350 1200 0    50   ~ 0
VDD
Text Label 9350 1300 0    50   ~ 0
GND
Text Label 9350 1400 0    50   ~ 0
GND
Text Label 9100 1550 0    50   ~ 0
GND
$Comp
L Device:C_Small C5
U 1 1 5FB8CED0
P 3100 2800
F 0 "C5" H 3000 2900 50  0000 L CNN
F 1 "100nF" H 2850 2700 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3100 2800 50  0001 C CNN
F 3 "~" H 3100 2800 50  0001 C CNN
	1    3100 2800
	1    0    0    -1  
$EndComp
Text Label 3200 2550 0    50   ~ 0
VDD
$Comp
L Device:D_Zener_Small D1
U 1 1 5FB94E2F
P 1550 2650
F 0 "D1" V 1550 2700 50  0000 L CNN
F 1 "10V" V 1650 2650 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123F" V 1550 2650 50  0001 C CNN
F 3 "~" V 1550 2650 50  0001 C CNN
F 4 "2069415" H 1550 2650 50  0001 C CNN "Farnell"
F 5 "NXP:BZT52H-B10,115" H 1550 2650 50  0001 C CNN "Mfg"
	1    1550 2650
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R11
U 1 1 5FB95823
P 1550 2950
F 0 "R11" H 1750 2900 50  0000 C CNN
F 1 "100k" H 1700 3000 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1550 2950 50  0001 C CNN
F 3 "~" H 1550 2950 50  0001 C CNN
	1    1550 2950
	-1   0    0    1   
$EndComp
Wire Wire Line
	1550 2750 1550 2850
Wire Wire Line
	1350 2850 1550 2850
Connection ~ 1550 2850
Wire Wire Line
	1550 3050 1550 3100
$Comp
L Device:C_Small C2
U 1 1 5FB99ADF
P 1800 2800
F 0 "C2" H 1800 2900 50  0000 L CNN
F 1 "100nF" H 1800 2700 50  0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric_Pad1.42x2.65mm_HandSolder" H 1800 2800 50  0001 C CNN
F 3 "~" H 1800 2800 50  0001 C CNN
	1    1800 2800
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 5FB9A357
P 2100 2800
F 0 "C3" H 2100 2900 50  0000 L CNN
F 1 "10uF/50V" H 2100 2700 50  0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric_Pad1.42x2.65mm_HandSolder" H 2100 2800 50  0001 C CNN
F 3 "~" H 2100 2800 50  0001 C CNN
	1    2100 2800
	1    0    0    -1  
$EndComp
$Comp
L Regulator_Linear:L7805 U2
U 1 1 5FB9AC6C
P 2500 2550
F 0 "U2" H 2350 2700 50  0000 C CNN
F 1 "3.3V" H 2650 2700 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 2525 2400 50  0001 L CIN
F 3 "" H 2500 2500 50  0001 C CNN
F 4 "2857635" H 2500 2550 50  0001 C CNN "Farnell"
F 5 "" H 2500 2550 50  0001 C CNN "TME"
F 6 "MCP:MIC5239-3.3YS-TR" H 2500 2550 50  0001 C CNN "Mfg"
	1    2500 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 2550 2100 2550
Wire Wire Line
	1800 2700 1800 2550
Wire Wire Line
	1800 2550 1550 2550
Wire Wire Line
	2100 2700 2100 2550
Wire Wire Line
	1100 2550 1150 2550
Wire Wire Line
	2800 2550 2850 2550
$Comp
L Device:R_Small R12
U 1 1 5FBBDA9A
P 1550 4150
F 0 "R12" H 1450 4050 50  0000 C CNN
F 1 "10k" H 1450 4150 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1550 4150 50  0001 C CNN
F 3 "~" H 1550 4150 50  0001 C CNN
	1    1550 4150
	1    0    0    1   
$EndComp
Wire Wire Line
	1550 4250 1550 4300
Wire Wire Line
	1550 4050 1550 4000
Text Label 1450 4000 2    50   ~ 0
VCC
$Comp
L Device:D_Zener_Small D5
U 1 1 5FBD7F30
P 1700 4150
F 0 "D5" V 1650 4000 50  0000 L CNN
F 1 "10V" V 1750 3950 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123F" V 1700 4150 50  0001 C CNN
F 3 "~" V 1700 4150 50  0001 C CNN
F 4 "2069469" H 1700 4150 50  0001 C CNN "Farnell"
F 5 "NXP:NZH15B,115" H 1700 4150 50  0001 C CNN "Mfg"
	1    1700 4150
	0    -1   1    0   
$EndComp
Wire Wire Line
	1700 4050 1700 4000
Wire Wire Line
	1700 4250 1700 4300
Wire Wire Line
	1700 4300 1550 4300
$Comp
L Device:R_Small R13
U 1 1 5FBDE71E
P 1700 4450
F 0 "R13" H 1850 4500 50  0000 C CNN
F 1 "10k" H 1850 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1700 4450 50  0001 C CNN
F 3 "~" H 1700 4450 50  0001 C CNN
	1    1700 4450
	-1   0    0    -1  
$EndComp
Connection ~ 1700 4300
$Comp
L Device:R_Small R14
U 1 1 5FBE679B
P 2050 4900
F 0 "R14" H 1950 4950 50  0000 C CNN
F 1 "10k" H 1950 4850 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2050 4900 50  0001 C CNN
F 3 "~" H 2050 4900 50  0001 C CNN
	1    2050 4900
	-1   0    0    -1  
$EndComp
Text Label 2100 4750 0    50   ~ 0
PWM
Wire Wire Line
	1700 4000 1550 4000
Wire Wire Line
	1250 4000 1250 4100
Connection ~ 1550 4000
Wire Wire Line
	1550 4000 1250 4000
$Comp
L Transistor_FET:BSS123 Q4
U 1 1 5FBFA6CD
P 1800 4750
F 0 "Q4" H 1700 4900 50  0000 L CNN
F 1 "BSS123" H 1600 4600 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:TSOT-23" H 2000 4675 50  0001 L CIN
F 3 "http://www.diodes.com/assets/Datasheets/ds30366.pdf" H 1800 4750 50  0001 L CNN
F 4 "9845321" H 1800 4750 50  0001 C CNN "Farnell"
F 5 "OnSemi:BSS123" H 1800 4750 50  0001 C CNN "Mfg"
	1    1800 4750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5850 4100 5850 4300
Text Label 5850 1150 1    50   ~ 0
3.0V
Text Label 4950 1600 0    50   ~ 0
DC
Text Label 6550 2500 0    50   ~ 0
ADC_B
Text Label 4950 3600 0    50   ~ 0
LED
Wire Wire Line
	4900 3100 5200 3100
Wire Wire Line
	1250 4650 1050 4650
Wire Wire Line
	1250 4500 1250 4650
Text Label 1200 4650 2    50   ~ 0
OUT
Wire Wire Line
	1550 3100 1800 3100
Wire Wire Line
	1800 2900 1800 3100
Wire Wire Line
	2100 2900 2100 3100
Wire Wire Line
	2100 3100 2500 3100
Wire Wire Line
	2500 2850 2500 3100
Connection ~ 2500 3100
Wire Wire Line
	2500 3100 2850 3100
Text Label 2900 3100 0    50   ~ 0
GND
Text Label 10300 3900 2    50   ~ 0
VDD
$Comp
L Device:C_Small C22
U 1 1 607EB71F
P 9600 4500
F 0 "C22" H 9450 4600 50  0000 L CNN
F 1 "10nF" H 9400 4400 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9600 4500 50  0001 C CNN
F 3 "~" H 9600 4500 50  0001 C CNN
	1    9600 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	10550 4150 10550 3900
$Comp
L Device:R_Small R26
U 1 1 607EB727
P 10600 4500
F 0 "R26" H 10450 4500 50  0000 C CNN
F 1 "10k" H 10450 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 10530 4500 50  0001 C CNN
F 3 "~" H 10600 4500 50  0001 C CNN
	1    10600 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R25
U 1 1 607EB72D
P 10750 4350
F 0 "R25" V 10650 4250 50  0000 C CNN
F 1 "10k" V 10650 4450 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 10750 4350 50  0001 C CNN
F 3 "~" H 10750 4350 50  0001 C CNN
	1    10750 4350
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C23
U 1 1 607EB733
P 10900 4500
F 0 "C23" H 10650 4500 50  0000 L CNN
F 1 "10nF" H 10650 4400 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 10900 4500 50  0001 C CNN
F 3 "~" H 10900 4500 50  0001 C CNN
	1    10900 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	10850 4350 10900 4350
Wire Wire Line
	10900 4600 10900 4700
Wire Wire Line
	10900 4400 10900 4350
Connection ~ 10900 4350
Wire Wire Line
	10900 4350 11100 4350
Text Label 10950 4350 0    50   ~ 0
BTN
Wire Wire Line
	9950 4250 9900 4250
$Comp
L Device:R_Small R24
U 1 1 607EB742
P 9900 4500
F 0 "R24" H 9750 4500 50  0000 C CNN
F 1 "10k" H 9750 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9830 4500 50  0001 C CNN
F 3 "~" H 9900 4500 50  0001 C CNN
	1    9900 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R23
U 1 1 607EB748
P 9750 4350
F 0 "R23" V 9650 4200 50  0000 C CNN
F 1 "10k" V 9650 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9750 4350 50  0001 C CNN
F 3 "~" H 9750 4350 50  0001 C CNN
	1    9750 4350
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R22
U 1 1 607EB74F
P 9350 4500
F 0 "R22" H 9200 4500 50  0000 C CNN
F 1 "10k" H 9200 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9280 4500 50  0001 C CNN
F 3 "~" H 9350 4500 50  0001 C CNN
	1    9350 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C21
U 1 1 607EB755
P 9050 4500
F 0 "C21" H 8900 4600 50  0000 L CNN
F 1 "10nF" H 8850 4400 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9050 4500 50  0001 C CNN
F 3 "~" H 9050 4500 50  0001 C CNN
	1    9050 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 4600 9050 4700
Wire Wire Line
	9050 4700 9350 4700
Wire Wire Line
	9350 4700 9600 4700
Wire Wire Line
	9600 4700 9600 4600
Wire Wire Line
	9350 4400 9350 4150
Wire Wire Line
	9050 4400 9050 4150
Wire Wire Line
	9100 4150 9050 4150
$Comp
L Device:R_Small R21
U 1 1 607EB768
P 9200 4150
F 0 "R21" V 9100 4050 50  0000 C CNN
F 1 "10k" V 9100 4250 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 9200 4150 50  0001 C CNN
F 3 "~" H 9200 4150 50  0001 C CNN
	1    9200 4150
	0    1    1    0   
$EndComp
Connection ~ 9050 4150
Wire Wire Line
	9050 4150 8750 4150
Wire Wire Line
	9350 4150 9300 4150
Connection ~ 9350 4700
Connection ~ 9600 4700
Text Label 9000 4150 2    50   ~ 0
ENC_A
Wire Wire Line
	9900 3900 10550 3900
Wire Wire Line
	9900 3900 9900 4250
Wire Wire Line
	9350 4150 9950 4150
Connection ~ 9350 4150
Wire Wire Line
	9850 4350 9900 4350
Wire Wire Line
	9900 4400 9900 4350
Connection ~ 9900 4350
Wire Wire Line
	9900 4350 9950 4350
Wire Wire Line
	10550 4350 10600 4350
Wire Wire Line
	10600 4400 10600 4350
Connection ~ 10600 4350
Wire Wire Line
	10600 4350 10650 4350
$Comp
L Device:C_Small C4
U 1 1 60807885
P 2850 2800
F 0 "C4" H 2750 2900 50  0000 L CNN
F 1 "10uF" H 2650 2700 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2850 2800 50  0001 C CNN
F 3 "~" H 2850 2800 50  0001 C CNN
	1    2850 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 2700 2850 2550
Connection ~ 2850 2550
Wire Wire Line
	2850 3100 2850 2900
Connection ~ 2850 3100
Text Label 5700 6050 0    50   ~ 0
ADC_A
Text Label 4650 6650 0    50   ~ 0
GND
Wire Wire Line
	4900 5750 4900 5600
$Comp
L Device:C_Small C10
U 1 1 6035F713
P 5650 6200
F 0 "C10" H 5650 6100 50  0000 L CNN
F 1 "1.5nF" H 5650 6000 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5650 6200 50  0001 C CNN
F 3 "~" H 5650 6200 50  0001 C CNN
	1    5650 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 6050 5650 6050
Wire Wire Line
	5650 6100 5650 6050
Connection ~ 5650 6050
Wire Wire Line
	5650 6050 5900 6050
Text Label 5650 6450 1    50   ~ 0
GND
$Comp
L Connector_Generic:Conn_01x02 J2
U 1 1 5FD7E8EF
P 850 4650
F 0 "J2" H 800 4750 50  0000 L CNN
F 1 "VOut" H 930 4551 50  0001 L CNN
F 2 "Custom:Degson_DG301-5.0-2" H 850 4650 50  0001 C CNN
F 3 "~" H 850 4650 50  0001 C CNN
F 4 "DEGSON:DG301-5.0-02P-12-00A(H)" H 850 4650 50  0001 C CNN "Mfg"
F 5 "DG301-5.0-2P12" H 850 4650 50  0001 C CNN "TME"
F 6 "VOut" H 1000 4600 50  0000 C CNN "Text"
	1    850  4650
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1550 3100 1100 3100
Wire Wire Line
	1100 3100 1100 2650
Connection ~ 1550 3100
$Comp
L Connector_Generic:Conn_01x04 J6
U 1 1 5FFE99CC
P 9850 2050
F 0 "J6" H 9800 2250 50  0000 L CNN
F 1 "STLINK-V2" H 9930 1951 50  0001 L CNN
F 2 "Custom:PinHeader_1x04_P2.54mm_Vertical" H 9850 2050 50  0001 C CNN
F 3 "~" H 9850 2050 50  0001 C CNN
	1    9850 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 3200 7700 3200
Text Label 8150 2800 2    50   ~ 0
VDD
Wire Wire Line
	9650 1950 9400 1950
Wire Wire Line
	9650 2050 9400 2050
Wire Wire Line
	9650 2150 9400 2150
Text Label 9400 1950 0    50   ~ 0
SWDIO
Text Label 9400 2050 0    50   ~ 0
SWCLK
Text Label 9400 2150 0    50   ~ 0
NRST
$Comp
L Device:R_Small R15
U 1 1 601AF0AA
P 2750 4600
F 0 "R15" H 2650 4500 50  0000 C CNN
F 1 "10k" H 2650 4600 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2750 4600 50  0001 C CNN
F 3 "~" H 2750 4600 50  0001 C CNN
	1    2750 4600
	-1   0    0    1   
$EndComp
$Comp
L Device:R_Small R16
U 1 1 601AF758
P 2750 4900
F 0 "R16" H 2550 4800 50  0000 L CNN
F 1 "1k" H 2650 4900 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2750 4900 50  0001 C CNN
F 3 "~" H 2750 4900 50  0001 C CNN
	1    2750 4900
	-1   0    0    1   
$EndComp
Wire Wire Line
	2750 4300 2750 4500
Wire Wire Line
	2750 4700 2750 4750
Wire Wire Line
	2750 4750 3000 4750
Connection ~ 2750 4750
Wire Wire Line
	2750 4750 2750 4800
Wire Wire Line
	2750 5000 2750 5050
Text Label 5850 4300 1    50   ~ 0
GND
$Comp
L power:GND #PWR01
U 1 1 601F1628
P 2750 5100
F 0 "#PWR01" H 2750 4850 50  0001 C CNN
F 1 "GND" H 2850 5100 50  0000 C CNN
F 2 "" H 2750 5100 50  0001 C CNN
F 3 "" H 2750 5100 50  0001 C CNN
	1    2750 5100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C6
U 1 1 601F1A34
P 3000 4900
F 0 "C6" H 3092 4946 50  0000 L CNN
F 1 "1uF" H 3092 4855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3000 4900 50  0001 C CNN
F 3 "~" H 3000 4900 50  0001 C CNN
	1    3000 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 4800 3000 4750
Text Label 2750 4450 1    50   ~ 0
VCC
Text Label 3600 4750 2    50   ~ 0
ADC_B
$Comp
L REF2030:REF20xx U3
U 1 1 6035ACBA
P 7400 4950
F 0 "U3" H 7200 5150 50  0000 C CNN
F 1 "REF2030" H 7550 5150 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 7350 4900 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/ref2030.pdf" H 7350 4900 50  0001 C CNN
F 4 "3124516" H 7400 4950 50  0001 C CNN "Farnell"
F 5 "TI:REF2030AIDDCT" H 7400 4950 50  0001 C CNN "Mfg"
F 6 "3V, 1.5V, max 20mA" H 7350 4750 50  0000 C CNN "Params"
	1    7400 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 4850 7050 4850
Wire Wire Line
	7050 5050 6800 5050
Text Label 6850 5050 0    50   ~ 0
GND
Text Label 6850 4850 0    50   ~ 0
VDD
Text Label 7800 4900 0    50   ~ 0
3.0V
Text Label 7800 5000 0    50   ~ 0
1.5V
$Comp
L Diode:BAS40-04 D4
U 1 1 605A6867
P 3200 4750
F 0 "D4" V 3500 4900 50  0000 L CNN
F 1 "BAS40-04" V 3400 4900 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2950 5050 50  0001 L CNN
F 3 "" H 3080 4850 50  0001 C CNN
F 4 "2924692" H 3200 4750 50  0001 C CNN "Farnell"
F 5 "ROHM:BAS40-04HMT116" H 3200 4750 50  0001 C CNN "Mfg"
	1    3200 4750
	0    1    -1   0   
$EndComp
Wire Wire Line
	3300 5050 3000 5050
Connection ~ 2750 5050
Wire Wire Line
	2750 5050 2750 5100
Wire Wire Line
	3000 5000 3000 5050
Connection ~ 3000 5050
Wire Wire Line
	3000 5050 2750 5050
Wire Wire Line
	3300 4450 3300 4300
Text Label 3300 4450 1    50   ~ 0
VDD
$Comp
L Device:LED D3
U 1 1 605EA636
P 4600 3750
F 0 "D3" H 4450 3600 50  0000 C CNN
F 1 "STATUS" H 4700 3600 50  0000 C CNN
F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4600 3750 50  0001 C CNN
F 3 "~" H 4600 3750 50  0001 C CNN
F 4 "1318243" H 4600 3750 50  0001 C CNN "Farnell"
F 5 "KBR:KP-2012SGC" H 4600 3750 50  0001 C CNN "Mfg"
F 6 "2V@5mA (25%)" V 4350 4050 50  0000 C CNN "Text"
	1    4600 3750
	0    1    -1   0   
$EndComp
Wire Wire Line
	4600 3900 4600 4100
Text Notes 3850 6750 0    50   ~ 10
Wheatstone Bridge Amplifier
Text Label 4650 5600 0    50   ~ 0
VDD
$Comp
L Device:C_Small C1
U 1 1 5FEFDA86
P 3750 6050
F 0 "C1" H 3650 6150 50  0000 L CNN
F 1 "10nF" H 3750 5900 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3750 6050 50  0001 C CNN
F 3 "~" H 3750 6050 50  0001 C CNN
	1    3750 6050
	1    0    0    -1  
$EndComp
$Comp
L Device:Thermistor #TH1
U 1 1 60AF1CCB
P 2850 6850
F 0 "#TH1" V 2950 6800 50  0000 L CNN
F 1 "22-53Ω (21-450°C)" V 2700 6500 50  0000 L CNN
F 2 "" H 2850 6850 50  0001 C CNN
F 3 "~" H 2850 6850 50  0001 C CNN
	1    2850 6850
	0    1    -1   0   
$EndComp
Wire Wire Line
	3350 6500 3350 6650
Wire Wire Line
	3350 6300 3350 6250
$Comp
L Device:R_Small R8
U 1 1 60887225
P 3350 6400
F 0 "R8" H 3250 6400 50  0000 C CNN
F 1 "330R" H 3250 6300 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Jumper2.54" H 3350 6400 50  0001 C CNN
F 3 "~" H 3350 6400 50  0001 C CNN
	1    3350 6400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R20
U 1 1 605EACA4
P 4750 3600
F 0 "R20" V 4650 3600 50  0000 C CNN
F 1 "270R" V 4850 3600 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4750 3600 50  0001 C CNN
F 3 "~" H 4750 3600 50  0001 C CNN
	1    4750 3600
	0    -1   -1   0   
$EndComp
Text Label 4600 4100 1    50   ~ 0
GND
Connection ~ 9600 4350
Wire Wire Line
	9600 4350 9600 4400
Wire Wire Line
	9650 4350 9600 4350
Wire Wire Line
	9600 4350 8750 4350
Text Label 9000 4350 2    50   ~ 0
ENC_B
Wire Wire Line
	4550 5600 4900 5600
Text Label 6550 2600 0    50   ~ 0
ADC_C
Text Label 6450 950  1    50   ~ 0
GND
$Comp
L Device:C_Small C7
U 1 1 5FE620CD
P 8000 5100
F 0 "C7" H 8092 5146 50  0000 L CNN
F 1 "100nF" H 8092 5055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 8000 5100 50  0001 C CNN
F 3 "~" H 8000 5100 50  0001 C CNN
	1    8000 5100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5FE62C88
P 8000 5200
F 0 "#PWR02" H 8000 4950 50  0001 C CNN
F 1 "GND" H 7900 5200 50  0000 C CNN
F 2 "" H 8000 5200 50  0001 C CNN
F 3 "" H 8000 5200 50  0001 C CNN
	1    8000 5200
	1    0    0    -1  
$EndComp
$Comp
L Jumper-2:Jumper-2B-Open J4
U 1 1 5FE90710
P 2850 6250
F 0 "J4" H 3050 6200 50  0000 R CNN
F 1 "Jumper-2B-Open" V 2805 6172 50  0001 R CNN
F 2 "Custom:Degson_DG301-5.0-2" V 2850 6200 50  0001 C CNN
F 3 "" V 2850 6200 50  0001 C CNN
F 4 "DEGSON:DG301-5.0-02P-12-00A(H)" H 2850 6250 50  0001 C CNN "Mfg"
F 5 "DG301-5.0-2P12" H 2850 6250 50  0001 C CNN "TME"
F 6 "(-)" H 2850 6250 50  0001 C CNN "Text"
	1    2850 6250
	1    0    0    -1  
$EndComp
$Comp
L Transistor_FET:ZXMP4A16G Q2
U 1 1 60018000
P 1350 2650
F 0 "Q2" V 1600 2650 50  0000 C CNN
F 1 "ZXMP4A16GTA" V 1601 2650 50  0001 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 1550 2575 50  0001 L CIN
F 3 "" H 1350 2650 50  0001 L CNN
F 4 "7564945" H 1350 2650 50  0001 C CNN "Farnell"
F 5 "Diodes:ZXMP4A16GTA" H 1350 2650 50  0001 C CNN "Mfg"
	1    1350 2650
	0    -1   -1   0   
$EndComp
Connection ~ 1550 2550
$Comp
L Transistor_FET:ZXMP4A16G Q3
U 1 1 60041182
P 1350 4300
F 0 "Q3" H 1550 4300 50  0000 L CNN
F 1 "ZXMP4A16GTA" H 1555 4345 50  0001 L CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 1550 4225 50  0001 L CIN
F 3 "" H 1350 4300 50  0001 L CNN
F 4 "7564945" H 1350 4300 50  0001 C CNN "Farnell"
F 5 "Diodes:ZXMP4A16GTA" H 1350 4300 50  0001 C CNN "Mfg"
	1    1350 4300
	-1   0    0    1   
$EndComp
Connection ~ 1550 4300
Wire Wire Line
	3100 2550 3100 2700
Wire Wire Line
	2850 2550 3100 2550
Wire Wire Line
	3100 3100 3100 2900
Wire Wire Line
	2850 3100 3100 3100
$Comp
L Connector_Generic:Conn_01x07 J9
U 1 1 600DEFCC
P 8450 1400
F 0 "J9" H 8400 1800 50  0000 L CNN
F 1 "Waveshare 18179" V 8550 1050 50  0000 L CNN
F 2 "Custom:WaveShare_18179" H 8450 1400 50  0001 C CNN
F 3 "~" H 8450 1400 50  0001 C CNN
	1    8450 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 1700 8000 1700
Text Label 8000 1700 0    50   ~ 0
VDD
Wire Wire Line
	8250 1600 8000 1600
Wire Wire Line
	8250 1500 8000 1500
Text Label 8000 1600 0    50   ~ 0
GND
Text Label 8000 1500 0    50   ~ 0
MOSI
Wire Wire Line
	8250 1400 8000 1400
Text Label 8000 1400 0    50   ~ 0
SCK
Text Label 8000 1300 0    50   ~ 0
~CS
Wire Wire Line
	8000 1300 8250 1300
Wire Wire Line
	8000 1200 8250 1200
Wire Wire Line
	8000 1100 8250 1100
Text Label 8000 1200 0    50   ~ 0
DC
Text Label 8000 1100 0    50   ~ 0
NRST
Text Notes 7800 1950 0    50   ~ 0
https://www.waveshare.com\nSKU: 18179*
Text Label 7450 3100 0    50   ~ 0
SDA_A
Text Label 7450 3200 0    50   ~ 0
SCL_A
$Comp
L Device:R_Small R1
U 1 1 5FF140D7
P 2650 5950
F 0 "R1" H 2750 5900 50  0000 C CNN
F 1 "0R" H 2900 5900 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_Jump" H 2650 5950 50  0001 C CNN
F 3 "~" H 2650 5950 50  0001 C CNN
	1    2650 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R5
U 1 1 5FF149CC
P 2650 6150
F 0 "R5" H 2750 6200 50  0000 C CNN
F 1 "0R" H 2900 6200 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_Jump" H 2650 6150 50  0001 C CNN
F 3 "~" H 2650 6150 50  0001 C CNN
	1    2650 6150
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 2550 2100 2550
Connection ~ 1800 2550
Connection ~ 2100 2550
Wire Wire Line
	1800 3100 2100 3100
Connection ~ 1800 3100
Connection ~ 2100 3100
$Comp
L Switch:SW_Push SW1
U 1 1 5FFEF000
P 4550 2200
F 0 "SW1" H 4400 2300 50  0000 C CNN
F 1 "RESET" H 4700 2300 50  0000 C CNN
F 2 "Custom:C&K_PTS636" H 4550 2400 50  0001 C CNN
F 3 "~" H 4550 2400 50  0001 C CNN
F 4 "" H 4550 2200 50  0001 C CNN "Farnell"
F 5 "C&K:PTS636" H 4550 2200 50  0001 C CNN "Mfg"
	1    4550 2200
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C11
U 1 1 5FFF027C
P 4550 2300
F 0 "C11" V 4600 2100 50  0000 L CNN
F 1 "100nF" V 4600 2350 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4550 2300 50  0001 C CNN
F 3 "~" H 4550 2300 50  0001 C CNN
	1    4550 2300
	0    -1   1    0   
$EndComp
Wire Wire Line
	4650 2300 4750 2300
Wire Wire Line
	4750 2300 4750 2200
Wire Wire Line
	4450 2300 4350 2300
Wire Wire Line
	4350 2300 4350 2200
Wire Wire Line
	4350 2200 4150 2200
Connection ~ 4350 2200
Text Label 4150 2200 0    50   ~ 0
GND
Wire Wire Line
	4600 3600 4650 3600
$Comp
L Device:R_Small R2
U 1 1 5FFE5D5C
P 2850 5850
F 0 "R2" V 2750 5750 50  0000 C CNN
F 1 "0R" V 2750 5900 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Jumper2.54" H 2850 5850 50  0001 C CNN
F 3 "~" H 2850 5850 50  0001 C CNN
	1    2850 5850
	0    1    1    0   
$EndComp
Wire Wire Line
	2650 5850 2750 5850
Wire Wire Line
	5650 6300 5650 6450
Wire Wire Line
	3100 3100 3350 3100
Wire Wire Line
	3350 3100 3350 2900
Connection ~ 3100 3100
Wire Wire Line
	3100 2550 3350 2550
Wire Wire Line
	3350 2550 3350 2700
Connection ~ 3100 2550
Text Label 5250 800  3    50   ~ 0
GND
Text Notes 700  2800 0    50   ~ 0
max +30V
Wire Wire Line
	1700 4350 1700 4300
Text Label 2450 5050 2    50   ~ 0
GND
Wire Wire Line
	1050 5050 1250 5050
Wire Wire Line
	1050 4750 1050 5050
Wire Wire Line
	2000 4750 2050 4750
Wire Wire Line
	2050 5050 2050 5000
Connection ~ 2050 5050
Wire Wire Line
	2050 4800 2050 4750
Connection ~ 2050 4750
Wire Wire Line
	2050 4750 2250 4750
Wire Wire Line
	1700 5050 1700 4950
Connection ~ 1700 5050
Wire Wire Line
	1700 5050 2050 5050
Text Notes 3900 6450 0    50   ~ 0
gain=1+(100k/Rg)=30.41
Wire Wire Line
	1950 6650 3350 6650
Connection ~ 3350 6650
Wire Wire Line
	6800 4950 7050 4950
Text Label 6850 4950 0    50   ~ 0
VDD
Text Notes 3450 2850 0    50   Italic 0
use 3.9V Zener diode\nwith low IR @3.3V
Wire Wire Line
	2700 6250 2650 6250
Text Notes 3350 5100 0    50   Italic 0
IR=30÷40nA\n@3.3V
$Comp
L Device:R_Small R7
U 1 1 602925EB
P 3200 6250
F 0 "R7" V 3100 6200 50  0000 C CNN
F 1 "294R" V 3100 6400 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_Jump" H 3200 6250 50  0001 C CNN
F 3 "~" H 3200 6250 50  0001 C CNN
	1    3200 6250
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R3
U 1 1 60292C5F
P 3200 5850
F 0 "R3" V 3100 5800 50  0000 C CNN
F 1 "10k" V 3100 6000 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_Jump" H 3200 5850 50  0001 C CNN
F 3 "~" H 3200 5850 50  0001 C CNN
	1    3200 5850
	0    1    1    0   
$EndComp
Wire Wire Line
	3300 6250 3350 6250
Connection ~ 3350 6250
$Comp
L Device:C_Small C8
U 1 1 6028D06D
P 1250 4850
F 0 "C8" H 1300 4950 50  0000 L CNN
F 1 "100nF" H 1300 4750 50  0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric_Pad1.42x2.65mm_HandSolder" H 1250 4850 50  0001 C CNN
F 3 "~" H 1250 4850 50  0001 C CNN
	1    1250 4850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R17
U 1 1 6035F2FD
P 5450 6050
F 0 "R17" V 5350 6050 50  0000 C CNN
F 1 "68Ω" V 5550 6050 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5450 6050 50  0001 C CNN
F 3 "~" H 5450 6050 50  0001 C CNN
	1    5450 6050
	0    1    1    0   
$EndComp
Text Label 5750 1150 1    50   ~ 0
VDD
Wire Wire Line
	1250 4750 1250 4650
Connection ~ 1250 4650
Wire Wire Line
	1250 4950 1250 5050
Connection ~ 1250 5050
Wire Wire Line
	1250 5050 1700 5050
Text Notes 3900 6350 0    50   Italic 0
-32.51/+37.67mV
Wire Wire Line
	2650 6850 2650 6400
Wire Wire Line
	3050 6850 3050 6400
Connection ~ 4900 5600
Wire Wire Line
	9350 4700 9350 4600
Wire Wire Line
	9600 4700 9900 4700
Wire Wire Line
	9900 4700 9900 4600
Connection ~ 9900 4700
Wire Wire Line
	10600 4700 10600 4600
Connection ~ 10600 4700
Wire Wire Line
	10600 4700 10900 4700
$Comp
L Graphic:Logo_Open_Hardware_Small M4
U 1 1 619FD681
P 10900 6850
F 0 "M4" H 10900 7125 50  0001 C CNN
F 1 "Logo_Open_Hardware_Small" H 10900 6625 50  0001 C CNN
F 2 "Symbol:KiCad-Logo2_6mm_SilkScreen" H 10900 6850 50  0001 C CNN
F 3 "~" H 10900 6850 50  0001 C CNN
	1    10900 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Zener_Small D2
U 1 1 600518E0
P 3350 2800
F 0 "D2" V 3250 2650 50  0000 L CNN
F 1 "3.9V" V 3450 2600 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123F" V 3350 2800 50  0001 C CNN
F 3 "~" V 3350 2800 50  0001 C CNN
F 4 "2772457" H 3350 2800 50  0001 C CNN "Farnell"
F 5 "Rohm:PTZTFTE253.9B" V 3750 2800 50  0000 C CNN "Mfg"
	1    3350 2800
	0    1    1    0   
$EndComp
Wire Wire Line
	4950 1800 5200 1800
Wire Wire Line
	4950 1700 5200 1700
Text Label 4950 1700 0    50   ~ 0
RCC1
Text Label 4950 1800 0    50   ~ 0
RCC2
Wire Wire Line
	6500 3600 6800 3600
Wire Wire Line
	6500 3500 6800 3500
Text Label 6550 3600 0    50   ~ 0
USB_DP
Text Label 6550 3500 0    50   ~ 0
USB_DM
Text Label 6550 3900 0    50   ~ 0
USB_NOE
Text Notes 5900 4250 0    39   ~ 0
Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm\nPackage_QFP:LQFP-48_7x7mm_P0.5mm
Wire Wire Line
	9650 2250 9400 2250
Text Label 9400 2250 0    50   ~ 0
GND
$Comp
L Memory_EEPROM:24AA02-OT U6
U 1 1 61FFC7A0
P 8250 3200
F 0 "U6" H 8200 2950 50  0000 R CNN
F 1 "24CW640T-I/OT" H 8200 2850 50  0000 R CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 8250 3200 50  0001 C CNN
F 3 "" H 8250 3200 50  0001 C CNN
F 4 "8k x 8 bit" V 7900 3200 50  0000 C CNN "Text"
F 5 "Microchip:24CW640T-I/OT" H 8250 3200 50  0001 C CNN "Mfg"
	1    8250 3200
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7700 2850 7700 2800
Wire Wire Line
	7800 2850 7800 2800
Wire Wire Line
	7450 3100 7800 3100
$Comp
L Device:R_Small R28
U 1 1 60029167
P 7700 2950
F 0 "R28" H 7850 2850 50  0000 C CNN
F 1 "3.3k" H 7850 2950 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 7700 2950 50  0001 C CNN
F 3 "~" H 7700 2950 50  0001 C CNN
	1    7700 2950
	-1   0    0    1   
$EndComp
$Comp
L Device:R_Small R29
U 1 1 60013965
P 7800 2950
F 0 "R29" H 7650 2850 50  0000 C CNN
F 1 "3.3k" H 7650 2950 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 7800 2950 50  0001 C CNN
F 3 "~" H 7800 2950 50  0001 C CNN
	1    7800 2950
	-1   0    0    1   
$EndComp
Wire Wire Line
	7700 2800 7800 2800
Wire Wire Line
	8250 2800 8250 2900
Connection ~ 7800 2800
Wire Wire Line
	7800 2800 8250 2800
Wire Wire Line
	7800 3050 7800 3100
Connection ~ 7800 3100
Wire Wire Line
	7800 3100 7850 3100
Wire Wire Line
	7700 3050 7700 3200
Connection ~ 7700 3200
Wire Wire Line
	7700 3200 7850 3200
$Comp
L power:GND #PWR0103
U 1 1 621B294A
P 8250 3550
F 0 "#PWR0103" H 8250 3300 50  0001 C CNN
F 1 "GND" H 8150 3550 50  0000 C CNN
F 2 "" H 8250 3550 50  0001 C CNN
F 3 "" H 8250 3550 50  0001 C CNN
	1    8250 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 3550 8250 3500
$Comp
L Device:C_Small C16
U 1 1 621CDEA2
P 8350 2800
F 0 "C16" V 8250 2600 50  0000 L CNN
F 1 "100nF" V 8250 2850 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 8350 2800 50  0001 C CNN
F 3 "~" H 8350 2800 50  0001 C CNN
	1    8350 2800
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 621CE5B7
P 8500 2800
F 0 "#PWR0104" H 8500 2550 50  0001 C CNN
F 1 "GND" V 8400 2750 50  0000 C CNN
F 2 "" H 8500 2800 50  0001 C CNN
F 3 "" H 8500 2800 50  0001 C CNN
	1    8500 2800
	0    -1   -1   0   
$EndComp
Connection ~ 8250 2800
Wire Wire Line
	8450 2800 8500 2800
Wire Wire Line
	5200 1500 4900 1500
Wire Wire Line
	4900 3300 5200 3300
Text Label 4950 3300 0    50   ~ 0
NSS
Wire Wire Line
	5200 2400 4900 2400
Wire Wire Line
	4900 2500 5200 2500
Text Label 4950 3700 0    50   ~ 0
SCL_A
Text Label 4950 3800 0    50   ~ 0
SDA_A
Text Label 4950 2400 0    50   ~ 0
TX_B
Text Label 4950 2500 0    50   ~ 0
RX_B
Wire Wire Line
	5200 3800 4900 3800
Wire Wire Line
	5200 3700 4900 3700
Wire Wire Line
	6500 2800 6800 2800
Wire Wire Line
	6500 2900 6800 2900
Wire Wire Line
	6500 2600 6800 2600
Text Label 6550 2800 0    50   ~ 0
DAC_A
Text Label 6550 2900 0    50   ~ 0
DAC_B
Wire Wire Line
	6500 3000 6800 3000
Wire Wire Line
	6800 3100 6500 3100
Text Label 6550 3000 0    50   ~ 0
SDA_B
Text Label 6550 3100 0    50   ~ 0
SCL_B
Wire Wire Line
	6500 3900 6800 3900
$Comp
L Device:C_Small C13
U 1 1 5FB8D920
P 5450 950
F 0 "C13" V 5500 1000 50  0000 L CNN
F 1 "100nF" V 5500 650 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5450 950 50  0001 C CNN
F 3 "~" H 5450 950 50  0001 C CNN
	1    5450 950 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4750 2200 5200 2200
Connection ~ 4750 2200
$Comp
L Device:C_Small C19
U 1 1 61BA9A22
P 6050 800
F 0 "C19" V 6100 850 50  0000 L CNN
F 1 "1uF" V 6100 500 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6050 800 50  0001 C CNN
F 3 "~" H 6050 800 50  0001 C CNN
	1    6050 800 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5850 800  5950 800 
Wire Wire Line
	5850 800  5850 950 
Wire Wire Line
	5950 950  5850 950 
Wire Wire Line
	6150 950  6450 950 
Wire Wire Line
	6150 800  6450 800 
Wire Wire Line
	6450 800  6450 950 
$Comp
L Device:C_Small C20
U 1 1 62A88351
P 6050 950
F 0 "C20" V 6100 1000 50  0000 L CNN
F 1 "100nF" V 6100 650 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6050 950 50  0001 C CNN
F 3 "~" H 6050 950 50  0001 C CNN
	1    6050 950 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5550 800  5750 800 
Wire Wire Line
	5350 800  5250 800 
$Comp
L Device:C_Small C12
U 1 1 5FE2A539
P 5450 800
F 0 "C12" V 5500 850 50  0000 L CNN
F 1 "4.7uF" V 5500 500 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5450 800 50  0001 C CNN
F 3 "~" H 5450 800 50  0001 C CNN
	1    5450 800 
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C24
U 1 1 61DA179C
P 5150 5600
F 0 "C24" V 5200 5650 50  0000 L CNN
F 1 "100nF" V 5200 5300 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5150 5600 50  0001 C CNN
F 3 "~" H 5150 5600 50  0001 C CNN
	1    5150 5600
	0    -1   -1   0   
$EndComp
Text Label 5450 5600 0    50   ~ 0
GND
Wire Wire Line
	5250 5600 5600 5600
$Comp
L Connector:Conn_01x01_Female J20
U 1 1 6240A578
P 6100 6050
F 0 "J20" H 6000 5900 50  0000 L CNN
F 1 "ADC_A" H 5900 6000 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 6100 6050 50  0001 C CNN
F 3 "~" H 6100 6050 50  0001 C CNN
	1    6100 6050
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x01_Female J18
U 1 1 61B8CE07
P 8250 5000
F 0 "J18" H 8250 5000 50  0000 L CNN
F 1 "1.5V" H 8450 5000 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 8250 5000 50  0001 C CNN
F 3 "~" H 8250 5000 50  0001 C CNN
	1    8250 5000
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x01_Female J17
U 1 1 61C27E66
P 8250 4900
F 0 "J17" H 8250 4900 50  0000 L CNN
F 1 "3.0V" H 8450 4900 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 8250 4900 50  0001 C CNN
F 3 "~" H 8250 4900 50  0001 C CNN
	1    8250 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 4900 8050 4900
$Comp
L Connector:Conn_01x01_Female J16
U 1 1 61C768D9
P 3800 4750
F 0 "J16" H 3700 4850 50  0000 L CNN
F 1 "ADC_B" H 3600 4650 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 3800 4750 50  0001 C CNN
F 3 "~" H 3800 4750 50  0001 C CNN
	1    3800 4750
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x01_Female J15
U 1 1 61B8CD3C
P 2450 4750
F 0 "J15" H 2350 4850 50  0000 L CNN
F 1 "PWM" H 2300 4650 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 2450 4750 50  0001 C CNN
F 3 "~" H 2450 4750 50  0001 C CNN
	1    2450 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 5050 2450 5050
Text Label 5950 1150 1    50   ~ 0
BAT
Wire Wire Line
	5850 1150 5850 950 
Connection ~ 5850 950 
Wire Wire Line
	5950 1000 5950 1150
Wire Wire Line
	5750 800  5750 950 
Wire Wire Line
	5550 950  5750 950 
Connection ~ 5750 950 
Wire Wire Line
	5750 950  5750 1150
Wire Wire Line
	5250 800  5250 950 
Wire Wire Line
	5250 950  5350 950 
Wire Wire Line
	3350 6250 3750 6250
Wire Wire Line
	3300 5850 3600 5850
Connection ~ 2650 6050
Wire Wire Line
	3600 5850 3600 6300
Connection ~ 3600 5850
Wire Wire Line
	3600 5850 3750 5850
Wire Wire Line
	4900 6350 4900 6650
Wire Wire Line
	3750 6250 3750 6150
Wire Wire Line
	3750 5950 3750 5850
Wire Wire Line
	4900 5600 5050 5600
$Comp
L Device:R_Small R10
U 1 1 6219F2DF
P 4300 6050
F 0 "R10" H 4200 6100 50  0000 C CNN
F 1 "0R" H 4200 6000 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_Jump" H 4300 6050 50  0001 C CNN
F 3 "~" H 4300 6050 50  0001 C CNN
	1    4300 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 6650 3600 6650
Wire Wire Line
	3600 6500 3600 6650
$Comp
L Device:R_Small R4
U 1 1 608864ED
P 3600 6400
F 0 "R4" H 3500 6400 50  0000 C CNN
F 1 "10k" H 3500 6300 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Jumper2.54" H 3600 6400 50  0001 C CNN
F 3 "~" H 3600 6400 50  0001 C CNN
	1    3600 6400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R9
U 1 1 6224FB5A
P 4500 5950
F 0 "R9" V 4350 5950 50  0000 C CNN
F 1 "3.4k" V 4600 6000 50  0000 C CNN
F 2 "Custom:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_Jump" H 4500 5950 50  0001 C CNN
F 3 "~" H 4500 5950 50  0001 C CNN
F 4 "Rg" V 4500 5950 31  0000 C CNN "Label"
	1    4500 5950
	0    1    1    0   
$EndComp
Wire Wire Line
	4400 5950 4350 5900
Wire Wire Line
	4600 6150 4550 6200
Wire Wire Line
	4300 6200 4300 6150
Wire Wire Line
	4300 5900 4300 5950
Wire Wire Line
	3750 6250 4600 6250
Connection ~ 3750 6250
Wire Wire Line
	3750 5850 4600 5850
Connection ~ 3750 5850
Wire Wire Line
	3600 6650 4900 6650
Connection ~ 3600 6650
$Comp
L Amplifier_Instrumentation:INA128 U1
U 1 1 61B990CE
P 4900 6050
F 0 "U1" H 5050 6300 50  0000 L CNN
F 1 "INA823" H 5050 6200 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 5000 6050 50  0001 C CNN
F 3 "" H 5000 6050 50  0001 C CNN
	1    4900 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 6550 5000 6350
Text Label 5000 6550 1    50   ~ 0
1.5V
Wire Wire Line
	5300 6050 5350 6050
Text Label 2000 2550 2    50   ~ 0
VCC
$Comp
L Connector:Conn_01x01_Female J23
U 1 1 61C669C4
P 3550 3100
F 0 "J23" H 3450 3200 50  0000 L CNN
F 1 "GND" H 3600 3100 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P2.54mm_Vertical" H 3550 3100 50  0001 C CNN
F 3 "~" H 3550 3100 50  0001 C CNN
	1    3550 3100
	1    0    0    -1  
$EndComp
Connection ~ 3350 3100
Wire Wire Line
	3000 4750 3100 4750
Connection ~ 3000 4750
Wire Wire Line
	3100 4750 3600 4750
Connection ~ 3100 4750
Connection ~ 3350 2550
$Comp
L Connector:Conn_01x01_Female J14
U 1 1 61C0C897
P 3550 2550
F 0 "J14" H 3450 2650 50  0000 L CNN
F 1 "VDD" H 3600 2550 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 3550 2550 50  0001 C CNN
F 3 "~" H 3550 2550 50  0001 C CNN
	1    3550 2550
	1    0    0    -1  
$EndComp
Text Notes 9200 3850 0    50   Italic 0
Bourns PEC12R-4xxxF-Sxxxx\nBourns PEC12R-4xxxK-Sxxxx\nBourns PEC11R-4xxxF-Sxxxx\nBourns PEC11R-4xxxK-Sxxxx\nor any popular single-channel Alps EC11E, G, M, N\nEC12E, EC111 encoder
Wire Wire Line
	4850 3600 5200 3600
Wire Wire Line
	10050 1700 10300 1700
Wire Wire Line
	6500 3300 6800 3300
Connection ~ 8000 5000
Wire Wire Line
	8000 5000 8050 5000
Wire Wire Line
	7750 5000 8000 5000
Text Notes 6700 4650 0    50   Italic 0
instead of REF2030 internal MPU 2.5V VREFBUF\ncan be used with divider and buffers (OpAmps)
Text Notes 9400 800  0    50   Italic 0
for Segger J-Link mini\nuse pins 3-12
Text Label 4950 2700 0    50   ~ 0
PWM
Text Notes 3600 1400 0    50   ~ 0
alternative, pin-compatible MPUs, min 64k flash, 44-IO:\nSTM32G031C8Tx/Ux\nSTM32G041C8Tx/Ux\nSTM32G051C8Tx/Ux\nSTM32G061C8Tx/Ux\nSTM32G071C8Tx/Ux\nSTM32G071CBTx/Ux (128K)\nSTM32G081CBTx/Ux (128K)\nSTM32G0B1CBTx/Ux (128K)\nSTM32G0B1CCTx/Ux (256K)\nSTM32G0B1CETx/Ux (512k)
$Comp
L STM32G0B1CEUx:STM32G0B1CEUx U5
U 1 1 619F6CF4
P 5850 2550
F 0 "U5" H 5350 3900 50  0000 C CNN
F 1 "STM32G0B1CEUx" H 6300 3900 50  0000 C CNN
F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm" H 5300 1100 50  0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00140359.pdf" H 5900 2600 50  0001 C CNN
	1    5850 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 1600 4950 1600
Wire Wire Line
	5200 2700 4900 2700
Text Label 10100 4700 2    50   ~ 0
GND
Wire Wire Line
	9900 4700 10250 4700
$Comp
L Custom:Rotary_Encoder_Switch_with_MP ENC1
U 1 1 61BD2E47
P 10250 4250
F 0 "ENC1" H 10250 4525 50  0000 C CNN
F 1 "Rotary_Encoder_Switch_with_MP" H 10250 4526 50  0001 C CNN
F 2 "Custom:RotaryEncoder_Alps_EC12E-Switch_Vertical_H20mm" H 10100 4410 50  0001 C CNN
F 3 "" H 10250 4510 50  0001 C CNN
F 4 "1520813" H 10250 4250 50  0001 C CNN "Farnell"
F 5 "652-PEC11R4230KS0024" H 10250 4250 50  0001 C CNN "Mouser"
	1    10250 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	10250 4600 10250 4700
Connection ~ 10250 4700
Wire Wire Line
	10250 4700 10600 4700
Wire Wire Line
	5850 4100 6000 4100
Connection ~ 5850 4100
Wire Wire Line
	5200 2900 4900 2900
Wire Wire Line
	6500 2700 6800 2700
Text Label 6550 2700 0    50   ~ 0
ADC_D
Text Notes 1950 6650 0    39   Italic 0
any P-CH Mosfet with\nVgs(th)max<2V, low Rds(on)\n-PMV100EPAR\n-NXV90EPR\n-SI2343CDS-T1-GE3\n-SI2307CDS-T1-E3\n-CPH3351-TL-W
Text Notes 3600 6850 0    50   Italic 0
R1-R10 high grade 0.1% resistors
Text Notes 7200 3900 0    50   Italic 0
Note: 24CWxx EEPROM comes with\npreconfigured lower 3 bit address,\n'0' in p/n indicates address 1010_000X (0xA0)
Wire Wire Line
	1950 6350 1950 6650
$Comp
L Transistor_FET:AO3401A Q1
U 1 1 60790DA2
P 1950 6150
F 0 "Q1" V 2200 6150 50  0000 C CNN
F 1 "SI2343CDS-T1-GE3" V 2200 6150 50  0001 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2150 6075 50  0001 L CIN
F 3 "http://www.aosmd.com/pdfs/datasheet/AO3401A.pdf" H 1950 6150 50  0001 L CNN
F 4 "2335290" H 1950 6150 50  0001 C CNN "Farnell"
F 5 "Vishay:SI2343CDS-T1-GE3" H 1950 6150 50  0001 C CNN "Mfg"
	1    1950 6150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1750 6050 1700 6050
Text Notes 1750 5850 0    50   ~ 10
reverse\ncurrent\nprotection
$Comp
L Amplifier_Operational:OPA196xDBV U101
U 1 1 61FA8AA6
P 1400 6050
F 0 "U101" H 1500 6150 50  0000 L CNN
F 1 "OPA388" H 1400 5850 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 1300 5850 50  0001 L CNN
F 3 "http://www.ti.com/lit/ds/symlink/opa4196.pdf" H 1400 6250 50  0001 C CNN
	1    1400 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 6150 1100 6300
Wire Wire Line
	1100 6300 1700 6300
Wire Wire Line
	1700 6300 1700 6050
Connection ~ 1700 6050
Wire Wire Line
	1300 5750 1300 5700
Wire Wire Line
	1300 6350 1300 6500
Text Label 1300 6500 1    50   ~ 0
GND
Wire Wire Line
	1100 5950 900  5950
Text Label 900  5950 0    50   ~ 0
3.0V
Text Notes 500  7000 0    50   Italic 0
any low-offset (<0.1mV),\nhigh output current OpAmp\n*high CLoad drive*\nOPA388, NCS2005 (light capacitive load)\nOPA350EA/OP1177ARM (up to 1µF, MSOP-8 pkg)\nLM8261 (unlimited capacitive load, lower precision)
$Comp
L Device:C_Small C101
U 1 1 6205B8F8
P 1150 5700
F 0 "C101" V 1300 5450 50  0000 L CNN
F 1 "100nF" V 1200 5400 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1150 5700 50  0001 C CNN
F 3 "~" H 1150 5700 50  0001 C CNN
	1    1150 5700
	0    1    -1   0   
$EndComp
Text Label 700  5700 0    50   ~ 0
GND
Wire Wire Line
	700  5700 1050 5700
Text Label 1550 5700 2    50   ~ 0
VDD
$Comp
L Connector:Conn_01x01_Female J101
U 1 1 61F80AF4
P 7000 2600
F 0 "J101" H 7000 2600 50  0001 L CNN
F 1 "ADC_C" H 7000 2600 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 7000 2600 50  0001 C CNN
F 3 "~" H 7000 2600 50  0001 C CNN
	1    7000 2600
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x01_Female J102
U 1 1 61F818D7
P 7000 2700
F 0 "J102" H 7000 2700 50  0001 L CNN
F 1 "ADC_D" H 7000 2700 50  0000 L CNN
F 2 "Custom:PinHeader_1x01_P1.27mm_Vertical" H 7000 2700 50  0001 C CNN
F 3 "~" H 7000 2700 50  0001 C CNN
	1    7000 2700
	1    0    0    -1  
$EndComp
Text Notes 600  3450 0    50   Italic 0
fixed terminal blocks:\nCUI TB002-500-02BE\nTE 1776244-2, 1776266-2, 1776504-2, 1776269-2\nDegson DG301-5.0
Text Notes 1350 5150 0    39   Italic 0
any N-CH Mosfet with Vgs(th)max<2V
Text Notes 750  3950 0    39   Italic 0
any P-CH Mosfet with Vgs(th)max<2V,\nVds>30V, Id>5A, low Rds(on)\n-ZXMP4A16GTA
Text Notes 7400 7500 0    65   ~ 13
All-purpose Power Micro Controller, Copyright © 2022 Tomasz Jastrzębski
Text Notes 7000 7100 0    26   ~ 0
This work is shared under the Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) License.\nhttps://creativecommons.org/licenses/by-nc-nd/4.0/\nhttps://creativecommons.org/licenses/by-nc-nd/4.0/legalcode\n\nThis is a human-readable summary of (and not a substitute for) the license.\nYou are free to:\nShare — copy and redistribute the material in any medium or format.\nUnder the following terms:\n* Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.\n  You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\n* NonCommercial — You may not use the material for commercial purposes.\n* NoDerivatives — If you remix, transform, or build upon the material, you may not distribute the modified material.\nShould you require license for commercial use, please contact the author.
Text Notes 5050 6850 0    50   ~ 0
recommended: INA118, 333, *823* (best option)\noptional: INA122, 126 (two op-amp architecture,\nlimited common-mode voltage range)
$Comp
L Mechanical:MountingHole H4
U 1 1 600F802E
P 7650 6400
F 0 "H4" V 7750 6400 50  0000 L CNN
F 1 "MountingHole" H 7750 6355 50  0001 L CNN
F 2 "MountingHole:MountingHole_2.5mm_Pad_Via" H 7650 6400 50  0001 C CNN
F 3 "~" H 7650 6400 50  0001 C CNN
	1    7650 6400
	0    -1   -1   0   
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 600F7C3C
P 7450 6400
F 0 "H3" V 7550 6400 50  0000 L CNN
F 1 "MountingHole" H 7550 6355 50  0001 L CNN
F 2 "MountingHole:MountingHole_2.5mm_Pad_Via" H 7450 6400 50  0001 C CNN
F 3 "~" H 7450 6400 50  0001 C CNN
	1    7450 6400
	0    -1   -1   0   
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 600F799C
P 7250 6400
F 0 "H2" V 7350 6400 50  0000 L CNN
F 1 "MountingHole" H 7350 6355 50  0001 L CNN
F 2 "MountingHole:MountingHole_2.5mm_Pad_Via" H 7250 6400 50  0001 C CNN
F 3 "~" H 7250 6400 50  0001 C CNN
	1    7250 6400
	0    -1   -1   0   
$EndComp
$Comp
L Mechanical:MountingHole H1
U 1 1 600F72BB
P 7050 6400
F 0 "H1" V 7150 6400 50  0000 L CNN
F 1 "MountingHole" H 7150 6355 50  0001 L CNN
F 2 "MountingHole:MountingHole_2.5mm_Pad_Via" H 7050 6400 50  0001 C CNN
F 3 "~" H 7050 6400 50  0001 C CNN
	1    7050 6400
	0    -1   -1   0   
$EndComp
Text Notes 5550 5950 0    50   ~ 0
0.511÷2.65V
Text Notes 2250 6050 0    50   ~ 0
3.0V
Text Notes 2900 7200 0    50   ~ 0
for WSP80 use socket: Amphenol T 3437 000
Text Notes 1200 5600 0    50   ~ 10
Vref buffer
Text Notes 1100 2300 0    50   ~ 10
reverse current\nprotection
Wire Wire Line
	1300 5700 1550 5700
Wire Wire Line
	1250 5700 1300 5700
Connection ~ 1300 5700
Text Notes 7550 3350 0    50   ~ 10
EEPROM
Text Notes 7050 5300 0    50   ~ 10
ref voltage source
Text Notes 9350 5100 0    50   Italic 0
Note: Bourns encoders are preffered.\nUnlike most ALPS encodes (besides EC12D),\nBourns encoders have dent stability position\nbetween signal edges.
Wire Wire Line
	4300 5900 4350 5900
Wire Wire Line
	4300 6200 4550 6200
Wire Wire Line
	2150 6050 2650 6050
Wire Wire Line
	3000 6250 3100 6250
Wire Wire Line
	2950 5850 3100 5850
Text Notes 8450 7650 0    65   ~ 13
configured as WSP80 driver
Text Notes 3800 5850 0    50   ~ 0
1.5V
Text Notes 10600 7650 0    65   ~ 13
3.1
Text Notes 8450 7800 0    50   ~ 10
License: CC BY-NC-ND 4.0
$EndSCHEMATC