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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Latching Relay Driver"
Date "2021-01-16"
Rev ""
Comp "HB9EGM"
Comment1 "Original schematic from I1KFH"
Comment2 "For 2SE1T11JB relay"
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_01x03 J1
U 1 1 6002B62A
P 1300 4150
F 0 "J1" H 1218 4467 50  0000 C CNN
F 1 "PWR" H 1218 4376 50  0000 C CNN
F 2 "Connector_Wire:SolderWire-0.75sqmm_1x03_P4.8mm_D1.25mm_OD2.3mm_Relief" H 1300 4150 50  0001 C CNN
F 3 "~" H 1300 4150 50  0001 C CNN
	1    1300 4150
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x03 J2
U 1 1 6002C35A
P 7550 4200
F 0 "J2" H 7468 3875 50  0000 C CNN
F 1 "Relay" H 7468 3966 50  0000 C CNN
F 2 "Connector_Wire:SolderWire-0.25sqmm_1x03_P4.2mm_D0.65mm_OD1.7mm" H 7550 4200 50  0001 C CNN
F 3 "~" H 7550 4200 50  0001 C CNN
	1    7550 4200
	1    0    0    1   
$EndComp
Text Label 7350 4100 2    50   ~ 0
RELAY_TX
Text Label 7350 4300 2    50   ~ 0
RELAY_RX
$Comp
L power:GND #PWR018
U 1 1 6002CC64
P 7350 4200
F 0 "#PWR018" H 7350 3950 50  0001 C CNN
F 1 "GND" V 7355 4072 50  0000 R CNN
F 2 "" H 7350 4200 50  0001 C CNN
F 3 "" H 7350 4200 50  0001 C CNN
	1    7350 4200
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR02
U 1 1 6002CEAA
P 1550 4300
F 0 "#PWR02" H 1550 4050 50  0001 C CNN
F 1 "GND" H 1555 4127 50  0000 C CNN
F 2 "" H 1550 4300 50  0001 C CNN
F 3 "" H 1550 4300 50  0001 C CNN
	1    1550 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 4300 1550 4250
Wire Wire Line
	1550 4250 1500 4250
$Comp
L power:+12V #PWR01
U 1 1 6002D9E2
P 1550 4000
F 0 "#PWR01" H 1550 3850 50  0001 C CNN
F 1 "+12V" H 1565 4173 50  0000 C CNN
F 2 "" H 1550 4000 50  0001 C CNN
F 3 "" H 1550 4000 50  0001 C CNN
	1    1550 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1500 4050 1550 4050
Wire Wire Line
	1550 4050 1550 4000
Text Label 1500 4150 0    50   ~ 0
PTT
$Comp
L power:PWR_FLAG #FLG02
U 1 1 6002FEC3
P 1550 4250
F 0 "#FLG02" H 1550 4325 50  0001 C CNN
F 1 "PWR_FLAG" V 1550 4378 50  0001 L CNN
F 2 "" H 1550 4250 50  0001 C CNN
F 3 "~" H 1550 4250 50  0001 C CNN
	1    1550 4250
	0    1    1    0   
$EndComp
Connection ~ 1550 4250
$Comp
L power:PWR_FLAG #FLG01
U 1 1 60030406
P 1550 4050
F 0 "#FLG01" H 1550 4125 50  0001 C CNN
F 1 "PWR_FLAG" V 1550 4178 50  0001 L CNN
F 2 "" H 1550 4050 50  0001 C CNN
F 3 "~" H 1550 4050 50  0001 C CNN
	1    1550 4050
	0    1    1    0   
$EndComp
Connection ~ 1550 4050
$Comp
L Device:D D1
U 1 1 60033223
P 2500 3200
F 0 "D1" H 2500 3417 50  0000 C CNN
F 1 "EP05Q03L" H 2500 3326 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-123" H 2500 3200 50  0001 C CNN
F 3 "~" H 2500 3200 50  0001 C CNN
	1    2500 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:R R1
U 1 1 60033734
P 2850 3200
F 0 "R1" V 2643 3200 50  0000 C CNN
F 1 "4k7" V 2734 3200 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 2780 3200 50  0001 C CNN
F 3 "~" H 2850 3200 50  0001 C CNN
	1    2850 3200
	0    1    1    0   
$EndComp
$Comp
L Device:R R2
U 1 1 6003383D
P 3050 2750
F 0 "R2" H 2980 2704 50  0000 R CNN
F 1 "1k" H 2980 2795 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 2980 2750 50  0001 C CNN
F 3 "~" H 3050 2750 50  0001 C CNN
	1    3050 2750
	-1   0    0    1   
$EndComp
$Comp
L Device:C C2
U 1 1 60033DDC
P 3700 2750
F 0 "C2" H 3815 2796 50  0000 L CNN
F 1 "100nF" H 3815 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 3738 2600 50  0001 C CNN
F 3 "~" H 3700 2750 50  0001 C CNN
F 4 "GRM188R71H104KA93D" H 3700 2750 50  0001 C CNN "MPN"
	1    3700 2750
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:BC856W Q1
U 1 1 60034610
P 3300 3200
F 0 "Q1" H 3490 3154 50  0000 L CNN
F 1 "BC856BW" H 3490 3245 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-323_SC-70_Handsoldering" H 3500 3125 50  0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/BC860-D.pdf" H 3300 3200 50  0001 L CNN
	1    3300 3200
	1    0    0    1   
$EndComp
$Comp
L Device:R R3
U 1 1 60035213
P 3400 3650
F 0 "R3" H 3330 3604 50  0000 R CNN
F 1 "1k" H 3330 3695 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 3330 3650 50  0001 C CNN
F 3 "~" H 3400 3650 50  0001 C CNN
	1    3400 3650
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR05
U 1 1 600354F1
P 3400 3800
F 0 "#PWR05" H 3400 3550 50  0001 C CNN
F 1 "GND" H 3405 3627 50  0000 C CNN
F 2 "" H 3400 3800 50  0001 C CNN
F 3 "" H 3400 3800 50  0001 C CNN
	1    3400 3800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 60035B0B
P 3800 3450
F 0 "C3" V 3640 3450 50  0000 C CNN
F 1 "2.2uF" V 3549 3450 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 3838 3300 50  0001 C CNN
F 3 "~" H 3800 3450 50  0001 C CNN
F 4 "08055C225JATA" V 3800 3450 50  0001 C CNN "MPN"
	1    3800 3450
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR07
U 1 1 60039284
P 3700 2900
F 0 "#PWR07" H 3700 2650 50  0001 C CNN
F 1 "GND" H 3705 2727 50  0000 C CNN
F 2 "" H 3700 2900 50  0001 C CNN
F 3 "" H 3700 2900 50  0001 C CNN
	1    3700 2900
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 600394C6
P 4150 3650
F 0 "R5" H 4080 3604 50  0000 R CNN
F 1 "4k7" H 4080 3695 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 4080 3650 50  0001 C CNN
F 3 "~" H 4150 3650 50  0001 C CNN
	1    4150 3650
	-1   0    0    1   
$EndComp
$Comp
L Device:D D3
U 1 1 60039E80
P 4450 3650
F 0 "D3" V 4404 3730 50  0000 L CNN
F 1 "EP05Q03L" V 4495 3730 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123" H 4450 3650 50  0001 C CNN
F 3 "~" H 4450 3650 50  0001 C CNN
	1    4450 3650
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR08
U 1 1 6003A472
P 4150 3800
F 0 "#PWR08" H 4150 3550 50  0001 C CNN
F 1 "GND" H 4155 3627 50  0000 C CNN
F 2 "" H 4150 3800 50  0001 C CNN
F 3 "" H 4150 3800 50  0001 C CNN
	1    4150 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 3200 2700 3200
Wire Wire Line
	3000 3200 3050 3200
Wire Wire Line
	3050 3200 3050 2900
Connection ~ 3050 3200
Wire Wire Line
	3050 3200 3100 3200
Wire Wire Line
	3400 3000 3400 2600
Wire Wire Line
	3400 2600 3050 2600
Wire Wire Line
	3700 2600 3400 2600
Connection ~ 3400 2600
$Comp
L power:+12V #PWR04
U 1 1 6003B420
P 3400 2600
F 0 "#PWR04" H 3400 2450 50  0001 C CNN
F 1 "+12V" H 3415 2773 50  0000 C CNN
F 2 "" H 3400 2600 50  0001 C CNN
F 3 "" H 3400 2600 50  0001 C CNN
	1    3400 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 3500 3400 3450
Wire Wire Line
	3650 3450 3400 3450
Connection ~ 3400 3450
Wire Wire Line
	3400 3450 3400 3400
Wire Wire Line
	3950 3450 4150 3450
Wire Wire Line
	4150 3450 4150 3500
Wire Wire Line
	4150 3450 4450 3450
Wire Wire Line
	4450 3450 4450 3500
Connection ~ 4150 3450
$Comp
L Device:R R7
U 1 1 6003C42C
P 4700 3450
F 0 "R7" V 4907 3450 50  0000 C CNN
F 1 "10k" V 4816 3450 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 4630 3450 50  0001 C CNN
F 3 "~" H 4700 3450 50  0001 C CNN
	1    4700 3450
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4550 3450 4450 3450
Connection ~ 4450 3450
$Comp
L Transistor_BJT:MMBT3904 Q2
U 1 1 6003CE94
P 5100 3450
F 0 "Q2" H 5291 3496 50  0000 L CNN
F 1 "MMBT3904" H 5291 3405 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 5300 3375 50  0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/2N3903-D.PDF" H 5100 3450 50  0001 L CNN
F 4 "MMBT3904LT1G" H 5100 3450 50  0001 C CNN "MPN"
	1    5100 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 3450 4850 3450
$Comp
L power:GND #PWR010
U 1 1 6003A632
P 4450 3800
F 0 "#PWR010" H 4450 3550 50  0001 C CNN
F 1 "GND" H 4455 3627 50  0000 C CNN
F 2 "" H 4450 3800 50  0001 C CNN
F 3 "" H 4450 3800 50  0001 C CNN
	1    4450 3800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR012
U 1 1 6003DADD
P 5200 3800
F 0 "#PWR012" H 5200 3550 50  0001 C CNN
F 1 "GND" H 5205 3627 50  0000 C CNN
F 2 "" H 5200 3800 50  0001 C CNN
F 3 "" H 5200 3800 50  0001 C CNN
	1    5200 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 3800 5200 3650
$Comp
L Device:R R9
U 1 1 6003E31F
P 5450 3150
F 0 "R9" V 5657 3150 50  0000 C CNN
F 1 "4k7" V 5566 3150 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5380 3150 50  0001 C CNN
F 3 "~" H 5450 3150 50  0001 C CNN
	1    5450 3150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5300 3150 5200 3150
Wire Wire Line
	5200 3150 5200 3250
$Comp
L Transistor_BJT:BCP51 Q4
U 1 1 6003F27F
P 5900 3150
F 0 "Q4" H 6091 3104 50  0000 L CNN
F 1 "BCP52" H 6091 3195 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 6100 3075 50  0001 L CIN
F 3 "" H 5900 3150 50  0001 L CNN
	1    5900 3150
	1    0    0    1   
$EndComp
Wire Wire Line
	5700 3150 5600 3150
$Comp
L Device:D D5
U 1 1 6003FEF9
P 6000 3650
F 0 "D5" V 5954 3730 50  0000 L CNN
F 1 "EP05Q03L" V 6045 3730 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123" H 6000 3650 50  0001 C CNN
F 3 "~" H 6000 3650 50  0001 C CNN
	1    6000 3650
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR015
U 1 1 60040428
P 6000 3800
F 0 "#PWR015" H 6000 3550 50  0001 C CNN
F 1 "GND" H 6005 3627 50  0000 C CNN
F 2 "" H 6000 3800 50  0001 C CNN
F 3 "" H 6000 3800 50  0001 C CNN
	1    6000 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 3500 6000 3450
$Comp
L power:+12V #PWR014
U 1 1 60041A81
P 6000 2900
F 0 "#PWR014" H 6000 2750 50  0001 C CNN
F 1 "+12V" H 6015 3073 50  0000 C CNN
F 2 "" H 6000 2900 50  0001 C CNN
F 3 "" H 6000 2900 50  0001 C CNN
	1    6000 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 2950 6000 2900
Wire Wire Line
	6000 3450 6700 3450
Wire Wire Line
	6700 3450 6700 4100
Wire Wire Line
	6700 4100 7350 4100
Connection ~ 6000 3450
Wire Wire Line
	6000 3450 6000 3350
$Comp
L Device:R R4
U 1 1 600479E8
P 3400 4850
F 0 "R4" H 3330 4804 50  0000 R CNN
F 1 "1k" H 3330 4895 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 3330 4850 50  0001 C CNN
F 3 "~" H 3400 4850 50  0001 C CNN
	1    3400 4850
	-1   0    0    1   
$EndComp
$Comp
L Device:C C4
U 1 1 600479F5
P 3750 5100
F 0 "C4" V 4002 5100 50  0000 C CNN
F 1 "2.2uF" V 3911 5100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 3788 4950 50  0001 C CNN
F 3 "~" H 3750 5100 50  0001 C CNN
F 4 "08055C225JATA" V 3750 5100 50  0001 C CNN "MPN"
	1    3750 5100
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R6
U 1 1 60047A01
P 4000 5300
F 0 "R6" H 3930 5254 50  0000 R CNN
F 1 "4k7" H 3930 5345 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 3930 5300 50  0001 C CNN
F 3 "~" H 4000 5300 50  0001 C CNN
	1    4000 5300
	-1   0    0    1   
$EndComp
$Comp
L Device:D D4
U 1 1 60047A07
P 4300 5300
F 0 "D4" V 4254 5380 50  0000 L CNN
F 1 "EP05Q03L" V 4345 5380 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123" H 4300 5300 50  0001 C CNN
F 3 "~" H 4300 5300 50  0001 C CNN
	1    4300 5300
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR09
U 1 1 60047A0D
P 4000 5450
F 0 "#PWR09" H 4000 5200 50  0001 C CNN
F 1 "GND" H 4005 5277 50  0000 C CNN
F 2 "" H 4000 5450 50  0001 C CNN
F 3 "" H 4000 5450 50  0001 C CNN
	1    4000 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 5100 3400 5100
Wire Wire Line
	3900 5100 4000 5100
Wire Wire Line
	4000 5100 4000 5150
Wire Wire Line
	4000 5100 4300 5100
Wire Wire Line
	4300 5100 4300 5150
Connection ~ 4000 5100
$Comp
L Device:R R8
U 1 1 60047A26
P 4550 5100
F 0 "R8" V 4757 5100 50  0000 C CNN
F 1 "10k" V 4666 5100 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 4480 5100 50  0001 C CNN
F 3 "~" H 4550 5100 50  0001 C CNN
	1    4550 5100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4400 5100 4300 5100
Connection ~ 4300 5100
$Comp
L Transistor_BJT:MMBT3904 Q3
U 1 1 60047A2F
P 5100 5100
F 0 "Q3" H 5291 5146 50  0000 L CNN
F 1 "MMBT3904" H 5291 5055 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 5300 5025 50  0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/2N3903-D.PDF" H 5100 5100 50  0001 L CNN
F 4 "MMBT3904LT1G" H 5100 5100 50  0001 C CNN "MPN"
	1    5100 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 5100 4700 5100
$Comp
L power:GND #PWR011
U 1 1 60047A36
P 4300 5450
F 0 "#PWR011" H 4300 5200 50  0001 C CNN
F 1 "GND" H 4305 5277 50  0000 C CNN
F 2 "" H 4300 5450 50  0001 C CNN
F 3 "" H 4300 5450 50  0001 C CNN
	1    4300 5450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 60047A3C
P 5200 5450
F 0 "#PWR013" H 5200 5200 50  0001 C CNN
F 1 "GND" H 5205 5277 50  0000 C CNN
F 2 "" H 5200 5450 50  0001 C CNN
F 3 "" H 5200 5450 50  0001 C CNN
	1    5200 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 5450 5200 5300
$Comp
L Device:R R10
U 1 1 60047A43
P 5450 4800
F 0 "R10" V 5657 4800 50  0000 C CNN
F 1 "4k7" V 5566 4800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5380 4800 50  0001 C CNN
F 3 "~" H 5450 4800 50  0001 C CNN
	1    5450 4800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5300 4800 5200 4800
Wire Wire Line
	5200 4800 5200 4900
$Comp
L Transistor_BJT:BCP51 Q5
U 1 1 60047A4B
P 5900 4800
F 0 "Q5" H 6091 4754 50  0000 L CNN
F 1 "BCP52" H 6091 4845 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 6100 4725 50  0001 L CIN
F 3 "" H 5900 4800 50  0001 L CNN
	1    5900 4800
	1    0    0    1   
$EndComp
Wire Wire Line
	5700 4800 5600 4800
$Comp
L Device:D D6
U 1 1 60047A52
P 6000 5300
F 0 "D6" V 5954 5380 50  0000 L CNN
F 1 "EP05Q03L" V 6045 5380 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123" H 6000 5300 50  0001 C CNN
F 3 "~" H 6000 5300 50  0001 C CNN
	1    6000 5300
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR017
U 1 1 60047A58
P 6000 5450
F 0 "#PWR017" H 6000 5200 50  0001 C CNN
F 1 "GND" H 6005 5277 50  0000 C CNN
F 2 "" H 6000 5450 50  0001 C CNN
F 3 "" H 6000 5450 50  0001 C CNN
	1    6000 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 5150 6000 5100
Wire Wire Line
	6000 4600 6000 4550
Wire Wire Line
	6000 5100 6700 5100
Connection ~ 6000 5100
Wire Wire Line
	6000 5100 6000 5000
$Comp
L power:+12V #PWR016
U 1 1 60047A5F
P 6000 4550
F 0 "#PWR016" H 6000 4400 50  0001 C CNN
F 1 "+12V" H 6015 4723 50  0000 C CNN
F 2 "" H 6000 4550 50  0001 C CNN
F 3 "" H 6000 4550 50  0001 C CNN
	1    6000 4550
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR06
U 1 1 60049586
P 3400 4650
F 0 "#PWR06" H 3400 4500 50  0001 C CNN
F 1 "+12V" H 3415 4823 50  0000 C CNN
F 2 "" H 3400 4650 50  0001 C CNN
F 3 "" H 3400 4650 50  0001 C CNN
	1    3400 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 4700 3400 4650
Wire Wire Line
	3400 5100 3400 5000
$Comp
L Device:D D2
U 1 1 6004AE95
P 3100 5100
F 0 "D2" H 3100 5317 50  0000 C CNN
F 1 "EP05Q03L" H 3100 5226 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-123" H 3100 5100 50  0001 C CNN
F 3 "~" H 3100 5100 50  0001 C CNN
	1    3100 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 5100 3400 5100
Connection ~ 3400 5100
Wire Wire Line
	2950 5100 2150 5100
Wire Wire Line
	2150 5100 2150 4150
Wire Wire Line
	2150 3200 2350 3200
Wire Wire Line
	1500 4150 1800 4150
Wire Wire Line
	6700 5100 6700 4300
Wire Wire Line
	6700 4300 7350 4300
$Comp
L Device:C C1
U 1 1 6005022B
P 1800 4300
F 0 "C1" H 1915 4346 50  0000 L CNN
F 1 "1nF" H 1915 4255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 1838 4150 50  0001 C CNN
F 3 "~" H 1800 4300 50  0001 C CNN
F 4 "VJ0805A102GXXPW1BC" H 1800 4300 50  0001 C CNN "MPN"
	1    1800 4300
	1    0    0    -1  
$EndComp
Connection ~ 1800 4150
Wire Wire Line
	1800 4150 2150 4150
$Comp
L power:GND #PWR03
U 1 1 60050949
P 1800 4450
F 0 "#PWR03" H 1800 4200 50  0001 C CNN
F 1 "GND" H 1805 4277 50  0000 C CNN
F 2 "" H 1800 4450 50  0001 C CNN
F 3 "" H 1800 4450 50  0001 C CNN
	1    1800 4450
	1    0    0    -1  
$EndComp
Connection ~ 2150 4150
Wire Wire Line
	2150 3200 2150 4150
Text Notes 1550 2050 0    50   ~ 0
Diodes: 1N4148W-7-F also possible
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 6005DB20
P 3200 6550
F 0 "H1" H 3300 6553 50  0000 L CNN
F 1 "MountingHole_Pad" H 3300 6508 50  0001 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 3200 6550 50  0001 C CNN
F 3 "~" H 3200 6550 50  0001 C CNN
	1    3200 6550
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 6005DEF0
P 3500 6550
F 0 "H2" H 3600 6553 50  0000 L CNN
F 1 "MountingHole_Pad" H 3600 6508 50  0001 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 3500 6550 50  0001 C CNN
F 3 "~" H 3500 6550 50  0001 C CNN
	1    3500 6550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR019
U 1 1 6005E100
P 3350 6650
F 0 "#PWR019" H 3350 6400 50  0001 C CNN
F 1 "GND" H 3355 6477 50  0000 C CNN
F 2 "" H 3350 6650 50  0001 C CNN
F 3 "" H 3350 6650 50  0001 C CNN
	1    3350 6650
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 6650 3350 6650
Connection ~ 3350 6650
Wire Wire Line
	3350 6650 3200 6650
$EndSCHEMATC