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 Battery_Management:MCP73831-2-OT U1
U 1 1 5E9CDA8C
P 8550 1900
F 0 "U1" H 8550 2381 50  0000 C CNN
F 1 "MCP73831-2-OT" H 8550 2290 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 8600 1650 50  0001 L CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001984g.pdf" H 8400 1850 50  0001 C CNN
	1    8550 1900
	1    0    0    -1  
$EndComp
$Comp
L Connector:Barrel_Jack J1-5v1
U 1 1 5E9CEF42
P 1000 1050
F 0 "J1-5v1" H 1057 1375 50  0000 C CNN
F 1 "Barrel_Jack" H 1057 1284 50  0000 C CNN
F 2 "Connector_BarrelJack:BarrelJack_CUI_PJ-036AH-SMT_Horizontal" H 1050 1010 50  0001 C CNN
F 3 "~" H 1050 1010 50  0001 C CNN
	1    1000 1050
	1    0    0    -1  
$EndComp
$Comp
L Device:LED GREEN1
U 1 1 5E9D19A6
P 6400 1600
F 0 "GREEN1" V 6439 1482 50  0000 R CNN
F 1 "POWER" V 6348 1482 50  0000 R CNN
F 2 "LED_SMD:LED-APA102-2020" H 6400 1600 50  0001 C CNN
F 3 "~" H 6400 1600 50  0001 C CNN
	1    6400 1600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8550 950  8550 1600
$Comp
L Device:R R1
U 1 1 5E9EF9A8
P 6400 2150
F 0 "R1" H 6470 2196 50  0000 L CNN
F 1 "1k" H 6470 2105 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6330 2150 50  0001 C CNN
F 3 "~" H 6400 2150 50  0001 C CNN
	1    6400 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 2000 6400 1750
Wire Wire Line
	6400 1450 6400 950 
Connection ~ 6400 950 
Wire Wire Line
	6400 2300 6400 3900
Connection ~ 6400 3900
Wire Wire Line
	6400 3900 6000 3900
$Comp
L Device:C C1
U 1 1 5E9F131E
P 6000 2000
F 0 "C1" H 6115 2046 50  0000 L CNN
F 1 "4.7uF" H 6115 1955 50  0000 L CNN
F 2 "Capacitor_SMD:C_0201_0603Metric" H 6038 1850 50  0001 C CNN
F 3 "~" H 6000 2000 50  0001 C CNN
	1    6000 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 1850 6000 950 
Connection ~ 6000 950 
Wire Wire Line
	6000 950  6400 950 
Wire Wire Line
	6000 2150 6000 3900
Wire Wire Line
	8550 2200 8550 3900
Wire Wire Line
	8550 3900 9100 3900
$Comp
L Device:C C2
U 1 1 5E9F46E5
P 9450 2450
F 0 "C2" H 9565 2496 50  0000 L CNN
F 1 "4.7uF" H 9565 2405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0201_0603Metric" H 9488 2300 50  0001 C CNN
F 3 "~" H 9450 2450 50  0001 C CNN
	1    9450 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 1800 9450 2300
Connection ~ 9450 1800
Wire Wire Line
	9450 1800 8950 1800
Wire Wire Line
	9450 2600 9450 3900
Connection ~ 9450 3900
$Comp
L Device:LED RED1
U 1 1 5E9F6009
P 9100 2300
F 0 "RED1" V 9139 2183 50  0000 R CNN
F 1 "FULL" V 9048 2183 50  0000 R CNN
F 2 "Diode_THT:D_5KPW_P12.70mm_Horizontal" H 9100 2300 50  0001 C CNN
F 3 "~" H 9100 2300 50  0001 C CNN
	1    9100 2300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R7
U 1 1 5E9F6D40
P 9100 2800
F 0 "R7" H 9170 2846 50  0000 L CNN
F 1 "1k" H 9170 2755 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 9030 2800 50  0001 C CNN
F 3 "~" H 9100 2800 50  0001 C CNN
	1    9100 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 2450 9100 2650
Wire Wire Line
	9100 2150 9100 2000
Wire Wire Line
	9100 2000 8950 2000
Wire Wire Line
	9100 2950 9100 3900
Connection ~ 9100 3900
Wire Wire Line
	9100 3900 9450 3900
$Comp
L Connector_Generic:Conn_01x02 J3-Li-Ionout1
U 1 1 5EA04CEB
P 10400 1800
F 0 "J3-Li-Ionout1" H 10480 1792 50  0000 L CNN
F 1 "Conn_01x02" H 10480 1701 50  0000 L CNN
F 2 "Connector_PinHeader_1.00mm:PinHeader_1x02_P1.00mm_Horizontal" H 10400 1800 50  0001 C CNN
F 3 "~" H 10400 1800 50  0001 C CNN
	1    10400 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 1800 10200 1800
Wire Wire Line
	9850 1900 9850 3900
Wire Wire Line
	9450 3900 9850 3900
Wire Wire Line
	9850 1900 10200 1900
Wire Wire Line
	6400 950  8550 950 
Connection ~ 8550 3900
Wire Wire Line
	6000 3900 5650 3900
Connection ~ 6000 3900
$Comp
L Transistor_BJT:2N2219 Q1
U 1 1 5EA38CE5
P 5550 3700
F 0 "Q1" H 5740 3746 50  0000 L CNN
F 1 "2N2219" H 5740 3655 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-39-3" H 5750 3625 50  0001 L CIN
F 3 "http://www.onsemi.com/pub_link/Collateral/2N2219-D.PDF" H 5550 3700 50  0001 L CNN
	1    5550 3700
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:2N2219 Q2
U 1 1 5EA39942
P 5550 7150
F 0 "Q2" H 5740 7196 50  0000 L CNN
F 1 "2N2219" H 5740 7105 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-39-3" H 5750 7075 50  0001 L CIN
F 3 "http://www.onsemi.com/pub_link/Collateral/2N2219-D.PDF" H 5550 7150 50  0001 L CNN
	1    5550 7150
	1    0    0    -1  
$EndComp
Wire Wire Line
	1300 1150 5200 1150
Wire Wire Line
	1300 950  6000 950 
$Comp
L Connector:Barrel_Jack J5-12V1
U 1 1 5EA41925
P 1000 1850
F 0 "J5-12V1" H 1057 2175 50  0000 C CNN
F 1 "Barrel_Jack" H 1057 2084 50  0000 C CNN
F 2 "Connector_BarrelJack:BarrelJack_CUI_PJ-036AH-SMT_Horizontal" H 1050 1810 50  0001 C CNN
F 3 "~" H 1050 1810 50  0001 C CNN
	1    1000 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 3500 5650 1150
$Comp
L Connector_Generic:Conn_01x03 J6
U 1 1 5EA3877D
P 1100 2650
F 0 "J6" H 1018 2325 50  0000 C CNN
F 1 "SW-buttons" H 1018 2416 50  0000 C CNN
F 2 "Connector:FanPinHeader_1x03_P2.54mm_Vertical" H 1100 2650 50  0001 C CNN
F 3 "~" H 1100 2650 50  0001 C CNN
	1    1100 2650
	-1   0    0    1   
$EndComp
Wire Wire Line
	5650 7350 2950 7350
Wire Wire Line
	1300 2750 1300 7350
Wire Wire Line
	5350 3700 5350 2550
Wire Wire Line
	1300 2650 1400 2650
Wire Wire Line
	1400 2650 1400 7150
Wire Wire Line
	5650 3900 5450 3900
Wire Wire Line
	5200 3900 5200 2750
Wire Wire Line
	5200 2750 1300 2750
Connection ~ 5650 3900
Connection ~ 1300 2750
Wire Wire Line
	5200 2750 5200 1150
Connection ~ 5200 2750
Connection ~ 5200 1150
Wire Wire Line
	5200 1150 5650 1150
Wire Wire Line
	1300 1950 1500 1950
Wire Wire Line
	1500 1950 1500 7350
Connection ~ 1500 7350
Wire Wire Line
	1500 7350 1300 7350
$Comp
L Device:R R8
U 1 1 5EA4E099
P 4750 2550
F 0 "R8" V 4543 2550 50  0000 C CNN
F 1 "1k" V 4634 2550 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 4680 2550 50  0001 C CNN
F 3 "~" H 4750 2550 50  0001 C CNN
	1    4750 2550
	0    1    1    0   
$EndComp
$Comp
L Device:R R9
U 1 1 5EA4EAF7
P 4900 7150
F 0 "R9" V 4693 7150 50  0000 C CNN
F 1 "1k" V 4784 7150 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 4830 7150 50  0001 C CNN
F 3 "~" H 4900 7150 50  0001 C CNN
	1    4900 7150
	0    1    1    0   
$EndComp
Wire Wire Line
	5350 2550 4900 2550
Wire Wire Line
	4600 2550 1300 2550
Wire Wire Line
	1400 7150 4750 7150
Wire Wire Line
	5050 7150 5350 7150
$Comp
L Transistor_BJT:2N3904 Q3
U 1 1 5EA54E8B
P 3850 5150
F 0 "Q3" H 4040 5196 50  0000 L CNN
F 1 "2N3904" H 4040 5105 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 4050 5075 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 3850 5150 50  0001 L CNN
	1    3850 5150
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:2N3904 Q4
U 1 1 5EA56AAD
P 4250 5550
F 0 "Q4" H 4440 5596 50  0000 L CNN
F 1 "2N3904" H 4440 5505 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 4450 5475 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 4250 5550 50  0001 L CNN
	1    4250 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 4950 3950 4400
Wire Wire Line
	3950 4400 2950 4400
Wire Wire Line
	1700 4400 1700 1750
Wire Wire Line
	1700 1750 1300 1750
Wire Wire Line
	3950 4400 4350 4400
Wire Wire Line
	4350 4400 4350 5350
Connection ~ 3950 4400
Wire Wire Line
	4050 5550 3950 5550
Wire Wire Line
	3950 5550 3950 5350
$Comp
L Transistor_BJT:2N3055 Q5
U 1 1 5EA5EF46
P 5250 5900
F 0 "Q5" H 5440 5946 50  0000 L CNN
F 1 "2N3055" H 5440 5855 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-3" H 5450 5825 50  0001 L CIN
F 3 "http://www.onsemi.com/pub_link/Collateral/2N3055-D.PDF" H 5250 5900 50  0001 L CNN
	1    5250 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 5900 4350 5900
Wire Wire Line
	4350 5900 4350 5750
Wire Wire Line
	5350 5700 5350 4400
Wire Wire Line
	5350 4400 4350 4400
Connection ~ 4350 4400
$Comp
L Device:R R12
U 1 1 5EA67041
P 5650 6600
F 0 "R12" H 5720 6646 50  0000 L CNN
F 1 "66" H 5720 6555 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5580 6600 50  0001 C CNN
F 3 "~" H 5650 6600 50  0001 C CNN
	1    5650 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 6950 5650 6750
Wire Wire Line
	5650 6250 5350 6250
Wire Wire Line
	5350 6250 5350 6100
Wire Wire Line
	5750 6350 5650 6350
Wire Wire Line
	5650 6350 5650 6450
$Comp
L Amplifier_Operational:LM741 U2
U 1 1 5EA7106A
P 3050 5150
F 0 "U2" H 3394 5196 50  0000 L CNN
F 1 "LM741" H 3394 5105 50  0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket" H 3100 5200 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm741.pdf" H 3200 5300 50  0001 C CNN
	1    3050 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 5150 3350 5150
Wire Wire Line
	2750 5250 2650 5250
Wire Wire Line
	2650 5250 2650 6350
Wire Wire Line
	2650 6350 5650 6350
Connection ~ 5650 6350
$Comp
L Device:R R10
U 1 1 5EA7AB66
P 1700 4700
F 0 "R10" H 1770 4746 50  0000 L CNN
F 1 "1k" H 1770 4655 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 1630 4700 50  0001 C CNN
F 3 "~" H 1700 4700 50  0001 C CNN
	1    1700 4700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R11
U 1 1 5EA7B66E
P 1700 6550
F 0 "R11" H 1770 6596 50  0000 L CNN
F 1 "500" H 1770 6505 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 1630 6550 50  0001 C CNN
F 3 "~" H 1700 6550 50  0001 C CNN
	1    1700 6550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 7350 1700 6700
Connection ~ 1700 7350
Wire Wire Line
	1700 7350 1500 7350
Wire Wire Line
	1700 6400 1700 5050
Wire Wire Line
	1700 4550 1700 4400
Connection ~ 1700 4400
Wire Wire Line
	2750 5050 1700 5050
Connection ~ 1700 5050
Wire Wire Line
	1700 5050 1700 4850
Wire Wire Line
	2950 4850 2950 4400
Connection ~ 2950 4400
Wire Wire Line
	2950 4400 1700 4400
Wire Wire Line
	2950 5450 2950 7350
Connection ~ 2950 7350
Wire Wire Line
	2950 7350 1700 7350
$Comp
L Connector_Generic:Conn_01x05 J7
U 1 1 5EAB03FB
P 10400 5050
F 0 "J7" H 10480 5092 50  0000 L CNN
F 1 "rotary-encoder" H 10480 5001 50  0000 L CNN
F 2 "Connector_PinHeader_1.00mm:PinHeader_1x05_P1.00mm_Horizontal" H 10400 5050 50  0001 C CNN
F 3 "~" H 10400 5050 50  0001 C CNN
	1    10400 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 3900 6900 3900
$Comp
L Device:R R6
U 1 1 5E9D8CD1
P 7900 4250
F 0 "R6" H 7970 4296 50  0000 L CNN
F 1 "68k" H 7970 4205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7830 4250 50  0001 C CNN
F 3 "~" H 7900 4250 50  0001 C CNN
	1    7900 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5E9D98C9
P 7650 4250
F 0 "R5" H 7720 4296 50  0000 L CNN
F 1 "30k" H 7720 4205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7580 4250 50  0001 C CNN
F 3 "~" H 7650 4250 50  0001 C CNN
	1    7650 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 5E9DAEC9
P 7400 4250
F 0 "R4" H 7470 4296 50  0000 L CNN
F 1 "15k" H 7470 4205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7330 4250 50  0001 C CNN
F 3 "~" H 7400 4250 50  0001 C CNN
	1    7400 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R3
U 1 1 5E9DB463
P 7150 4250
F 0 "R3" H 7220 4296 50  0000 L CNN
F 1 "8.2k" H 7220 4205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7080 4250 50  0001 C CNN
F 3 "~" H 7150 4250 50  0001 C CNN
	1    7150 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R2
U 1 1 5E9DB7E2
P 6900 4250
F 0 "R2" H 6970 4296 50  0000 L CNN
F 1 "3.9k" H 6970 4205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6830 4250 50  0001 C CNN
F 3 "~" H 6900 4250 50  0001 C CNN
	1    6900 4250
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J4-NiMhout1
U 1 1 5EA2502E
P 10400 5800
F 0 "J4-NiMhout1" H 10480 5792 50  0000 L CNN
F 1 "Conn_01x02" H 10480 5701 50  0000 L CNN
F 2 "Connector_PinHeader_1.00mm:PinHeader_1x02_P1.00mm_Horizontal" H 10400 5800 50  0001 C CNN
F 3 "~" H 10400 5800 50  0001 C CNN
	1    10400 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	10200 5800 5650 5800
Wire Wire Line
	10200 5900 5750 5900
Wire Wire Line
	5750 6350 5750 5900
Wire Wire Line
	5650 6250 5650 5800
Wire Wire Line
	7900 4850 7900 4400
Wire Wire Line
	7900 4850 8150 4850
Wire Wire Line
	7900 4100 7900 3900
Connection ~ 7900 3900
Wire Wire Line
	7900 3900 8550 3900
Wire Wire Line
	8150 2000 8150 4850
Connection ~ 8150 4850
Wire Wire Line
	8150 4850 10200 4850
Wire Wire Line
	10200 4950 7650 4950
Wire Wire Line
	7650 4950 7650 4400
Wire Wire Line
	10200 5050 7400 5050
Wire Wire Line
	7400 5050 7400 4400
Wire Wire Line
	10200 5150 7150 5150
Wire Wire Line
	7150 5150 7150 4400
Wire Wire Line
	10200 5250 6900 5250
Wire Wire Line
	6900 5250 6900 4400
Wire Wire Line
	6900 3900 6900 4100
Connection ~ 6900 3900
Wire Wire Line
	6900 3900 7150 3900
Wire Wire Line
	7150 4100 7150 3900
Connection ~ 7150 3900
Wire Wire Line
	7150 3900 7400 3900
Wire Wire Line
	7400 4100 7400 3900
Connection ~ 7400 3900
Wire Wire Line
	7400 3900 7650 3900
Wire Wire Line
	7650 4100 7650 3900
Connection ~ 7650 3900
Wire Wire Line
	7650 3900 7900 3900
Text GLabel 5200 3850 0    50   Input ~ 0
GND
$Comp
L power:GND #PWR0101
U 1 1 5EBDAF3C
P 5450 3900
F 0 "#PWR0101" H 5450 3650 50  0001 C CNN
F 1 "GND" H 5455 3727 50  0000 C CNN
F 2 "" H 5450 3900 50  0001 C CNN
F 3 "" H 5450 3900 50  0001 C CNN
	1    5450 3900
	1    0    0    -1  
$EndComp
Connection ~ 5450 3900
Wire Wire Line
	5450 3900 5200 3900
$EndSCHEMATC