EESchema Schematic File Version 4
LIBS:chairbot-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 74xx_IEEE:7408 U2
U 2 1 5BC3AC55
P 3350 5450
F 0 "U2" H 3350 5815 50  0000 C CNN
F 1 "74HCT08" H 3350 5724 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 3350 5450 50  0001 C CNN
F 3 "" H 3350 5450 50  0001 C CNN
	2    3350 5450
	1    0    0    -1  
$EndComp
$Comp
L 74xx_IEEE:7408 U2
U 3 1 5BC3ACB2
P 3350 6250
F 0 "U2" H 3350 6615 50  0000 C CNN
F 1 "74HCT08" H 3350 6524 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 3350 6250 50  0001 C CNN
F 3 "" H 3350 6250 50  0001 C CNN
	3    3350 6250
	1    0    0    -1  
$EndComp
$Comp
L esp32mini:ESP32mini U1
U 1 1 5BC5AE9F
P 3200 3350
F 0 "U1" H 3175 5687 60  0000 C CNN
F 1 "ESP32mini" H 3175 5581 60  0000 C CNN
F 2 "chairbot:ESP32mini" H 3250 5650 60  0001 C CNN
F 3 "" H 2750 3800 60  0001 C CNN
	1    3200 3350
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x05 J2
U 1 1 5BC5AF8D
P 5650 3950
F 0 "J2" H 5730 3992 50  0000 L CNN
F 1 "Conn_01x05" H 5730 3901 50  0000 L CNN
F 2 "Connector_JST:JST_XH_B05B-XH-A_1x05_P2.50mm_Vertical" H 5650 3950 50  0001 C CNN
F 3 "~" H 5650 3950 50  0001 C CNN
	1    5650 3950
	1    0    0    -1  
$EndComp
Text Notes 5850 3800 0    50   ~ 0
I2C
$Comp
L 74xx:74HCT244 U3
U 1 1 5BC4FC9B
P 5300 1900
F 0 "U3" H 5100 2600 50  0000 C CNN
F 1 "74HCT244" H 5550 2600 50  0000 C CNN
F 2 "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" H 5300 1900 50  0001 C CNN
F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT244.pdf" H 5300 1900 50  0001 C CNN
	1    5300 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 1600 6150 1600
$Comp
L power:GND #PWR0101
U 1 1 5BC52EFA
P 5300 2900
F 0 "#PWR0101" H 5300 2650 50  0001 C CNN
F 1 "GND" H 5305 2727 50  0000 C CNN
F 2 "" H 5300 2900 50  0001 C CNN
F 3 "" H 5300 2900 50  0001 C CNN
	1    5300 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 2900 5300 2800
Wire Wire Line
	4800 2300 4700 2300
Wire Wire Line
	4700 2300 4700 2400
Wire Wire Line
	4700 2800 5300 2800
Connection ~ 5300 2800
Wire Wire Line
	5300 2800 5300 2700
Wire Wire Line
	4800 2400 4700 2400
Connection ~ 4700 2400
Wire Wire Line
	4700 2400 4700 2800
$Comp
L power:+5V #PWR0102
U 1 1 5BC56499
P 5300 900
F 0 "#PWR0102" H 5300 750 50  0001 C CNN
F 1 "+5V" H 5315 1073 50  0000 C CNN
F 2 "" H 5300 900 50  0001 C CNN
F 3 "" H 5300 900 50  0001 C CNN
	1    5300 900 
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5BC56588
P 5550 1000
F 0 "C1" V 5298 1000 50  0000 C CNN
F 1 "100n" V 5389 1000 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5588 850 50  0001 C CNN
F 3 "~" H 5550 1000 50  0001 C CNN
	1    5550 1000
	0    1    1    0   
$EndComp
Wire Wire Line
	5300 900  5300 1000
Wire Wire Line
	5300 1000 5400 1000
Connection ~ 5300 1000
Wire Wire Line
	5300 1000 5300 1100
$Comp
L power:GND #PWR0103
U 1 1 5BC59006
P 5950 1050
F 0 "#PWR0103" H 5950 800 50  0001 C CNN
F 1 "GND" H 5955 877 50  0000 C CNN
F 2 "" H 5950 1050 50  0001 C CNN
F 3 "" H 5950 1050 50  0001 C CNN
	1    5950 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 1000 5950 1000
Wire Wire Line
	5950 1000 5950 1050
$Sheet
S 900  900  500  150 
U 5BC5FAEF
F0 "Motor driver" 50
F1 "motor.sch" 50
$EndSheet
Text GLabel 6150 1400 2    50   Input ~ 0
PWM_A_R
Text GLabel 6150 1500 2    50   Input ~ 0
PWM_A_L
Text GLabel 6150 1600 2    50   Input ~ 0
PWM_B_R
Text GLabel 6150 1700 2    50   Input ~ 0
PWM_B_L
Wire Wire Line
	5800 1700 6150 1700
Wire Wire Line
	5800 1500 6150 1500
Wire Wire Line
	6150 1400 5800 1400
$Comp
L power:GND #PWR0104
U 1 1 5BD26651
P 5350 4250
F 0 "#PWR0104" H 5350 4000 50  0001 C CNN
F 1 "GND" H 5355 4077 50  0000 C CNN
F 2 "" H 5350 4250 50  0001 C CNN
F 3 "" H 5350 4250 50  0001 C CNN
	1    5350 4250
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0105
U 1 1 5BD266EE
P 5150 3650
F 0 "#PWR0105" H 5150 3500 50  0001 C CNN
F 1 "+3.3V" H 5165 3823 50  0000 C CNN
F 2 "" H 5150 3650 50  0001 C CNN
F 3 "" H 5150 3650 50  0001 C CNN
	1    5150 3650
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J1
U 1 1 5BD267A0
P 5250 5350
F 0 "J1" H 5170 5025 50  0000 C CNN
F 1 "Conn_01x02" H 5170 5116 50  0000 C CNN
F 2 "Connector_JST:JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical" H 5250 5350 50  0001 C CNN
F 3 "~" H 5250 5350 50  0001 C CNN
	1    5250 5350
	-1   0    0    1   
$EndComp
Text Notes 4850 5300 0    50   ~ 0
24V IN
$Comp
L power:GND #PWR02
U 1 1 5BD2687D
P 5550 5700
F 0 "#PWR02" H 5550 5450 50  0001 C CNN
F 1 "GND" H 5555 5527 50  0000 C CNN
F 2 "" H 5550 5700 50  0001 C CNN
F 3 "" H 5550 5700 50  0001 C CNN
	1    5550 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5450 5350 5550 5350
$Comp
L Device:D_Schottky D1
U 1 1 5BD26B72
P 5750 5250
F 0 "D1" V 5704 5329 50  0000 L CNN
F 1 "SS34" V 5795 5329 50  0000 L CNN
F 2 "Diode_SMD:D_SMB" H 5750 5250 50  0001 C CNN
F 3 "~" H 5750 5250 50  0001 C CNN
	1    5750 5250
	-1   0    0    1   
$EndComp
Wire Wire Line
	5550 5350 5550 5650
Connection ~ 5550 5650
Wire Wire Line
	5550 5650 5550 5700
Wire Wire Line
	5450 5250 5600 5250
$Comp
L power:+24V #PWR03
U 1 1 5BD272C7
P 6550 5050
F 0 "#PWR03" H 6550 4900 50  0001 C CNN
F 1 "+24V" V 6565 5178 50  0000 L CNN
F 2 "" H 6550 5050 50  0001 C CNN
F 3 "" H 6550 5050 50  0001 C CNN
	1    6550 5050
	1    0    0    -1  
$EndComp
$Comp
L buckconverter:buck-converter U4
U 1 1 5BD279F9
P 7200 5550
F 0 "U4" H 7225 5865 50  0000 C CNN
F 1 "buck-converter" H 7225 5774 50  0000 C CNN
F 2 "chairbot:buck-converter" H 7200 5300 50  0001 C CNN
F 3 "" H 7200 5800 50  0001 C CNN
	1    7200 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	6550 5250 6550 5500
Wire Wire Line
	6550 5500 6850 5500
Wire Wire Line
	6550 5050 6550 5250
Connection ~ 6550 5250
$Comp
L power:+5V #PWR06
U 1 1 5BD2832F
P 7850 5350
F 0 "#PWR06" H 7850 5200 50  0001 C CNN
F 1 "+5V" H 7865 5523 50  0000 C CNN
F 2 "" H 7850 5350 50  0001 C CNN
F 3 "" H 7850 5350 50  0001 C CNN
	1    7850 5350
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C4
U 1 1 5BD28399
P 7850 5700
F 0 "C4" H 7968 5746 50  0000 L CNN
F 1 "10u" H 7968 5655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7888 5550 50  0001 C CNN
F 3 "~" H 7850 5700 50  0001 C CNN
	1    7850 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 5350 7850 5500
Wire Wire Line
	7600 5500 7850 5500
Connection ~ 7850 5500
Wire Wire Line
	7850 5500 7850 5550
Wire Wire Line
	7600 5650 7600 5950
Wire Wire Line
	7600 5950 7850 5950
Wire Wire Line
	7850 5950 7850 5850
$Comp
L power:GND #PWR07
U 1 1 5BD28E16
P 7850 6050
F 0 "#PWR07" H 7850 5800 50  0001 C CNN
F 1 "GND" H 7855 5877 50  0000 C CNN
F 2 "" H 7850 6050 50  0001 C CNN
F 3 "" H 7850 6050 50  0001 C CNN
	1    7850 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 6050 7850 5950
Connection ~ 7850 5950
$Comp
L nRF24L01:nRF24L01+ U5
U 1 1 5BD22025
P 9000 3800
F 0 "U5" H 9000 4315 50  0000 C CNN
F 1 "nRF24L01+" H 9000 4224 50  0000 C CNN
F 2 "chairbot:nRF24L01" H 9000 3900 50  0001 C CNN
F 3 "DOCUMENTATION" H 9000 3750 50  0001 C CNN
	1    9000 3800
	1    0    0    -1  
$EndComp
Text GLabel 9900 3750 2    50   Input ~ 0
MOSI
Text GLabel 9900 3900 2    50   Input ~ 0
MISO
Wire Wire Line
	9900 3900 9750 3900
Wire Wire Line
	9750 3750 9900 3750
Text GLabel 9900 3600 2    50   Input ~ 0
SCK
Text GLabel 8050 3900 0    50   Input ~ 0
CE
Text GLabel 8050 4050 0    50   Input ~ 0
CS
Wire Wire Line
	8050 4050 8250 4050
Wire Wire Line
	8250 3900 8050 3900
NoConn ~ 9750 4050
Wire Wire Line
	9900 3600 9750 3600
$Comp
L Device:C C2
U 1 1 5BD28A43
P 7550 3550
F 0 "C2" H 7665 3596 50  0000 L CNN
F 1 "100n" H 7600 3450 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7588 3400 50  0001 C CNN
F 3 "~" H 7550 3550 50  0001 C CNN
	1    7550 3550
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5BD28AA2
P 7850 3550
F 0 "C3" H 7965 3596 50  0000 L CNN
F 1 "10u" H 7900 3450 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7888 3400 50  0001 C CNN
F 3 "~" H 7850 3550 50  0001 C CNN
	1    7850 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7550 3750 7550 3700
Wire Wire Line
	7550 3750 7850 3750
Wire Wire Line
	7850 3700 7850 3750
Connection ~ 7850 3750
Wire Wire Line
	7850 3750 8250 3750
Wire Wire Line
	7550 3400 7550 3350
Wire Wire Line
	7550 3350 7850 3350
Wire Wire Line
	8250 3350 8250 3600
Wire Wire Line
	7850 3350 7850 3400
Connection ~ 7850 3350
Wire Wire Line
	7850 3350 8250 3350
Wire Wire Line
	7250 3750 7550 3750
Connection ~ 7550 3750
$Comp
L power:GND #PWR05
U 1 1 5BD2B07D
P 7850 3250
F 0 "#PWR05" H 7850 3000 50  0001 C CNN
F 1 "GND" H 7855 3077 50  0000 C CNN
F 2 "" H 7850 3250 50  0001 C CNN
F 3 "" H 7850 3250 50  0001 C CNN
	1    7850 3250
	-1   0    0    1   
$EndComp
Wire Wire Line
	7850 3250 7850 3350
Text GLabel 5250 3950 0    50   Input ~ 0
SDA1
Text GLabel 5250 4050 0    50   Input ~ 0
SCL1
Wire Wire Line
	5250 4050 5450 4050
Wire Wire Line
	5450 3950 5250 3950
Wire Wire Line
	5450 4150 5350 4150
Wire Wire Line
	5350 4150 5350 4250
Wire Wire Line
	5150 3650 5150 3850
Wire Wire Line
	5150 3850 5450 3850
Wire Wire Line
	5450 3650 5450 3750
Text GLabel 4250 3100 2    50   Input ~ 0
SDA0
Text GLabel 4250 3200 2    50   Input ~ 0
SCL0
Text GLabel 2900 4500 3    50   Input ~ 0
MOSI
Text GLabel 4250 3600 2    50   Input ~ 0
MISO
Text GLabel 3000 4500 3    50   Input ~ 0
SCK
Text GLabel 4250 2700 2    50   Input ~ 0
CS
Text GLabel 4250 2800 2    50   Input ~ 0
CE
Text GLabel 4250 4000 2    50   Input ~ 0
EN
Text GLabel 2050 3550 0    50   Input ~ 0
Brake
$Comp
L Regulator_Linear:AMS1117-3.3 U8
U 1 1 5BD301D2
P 6950 3750
F 0 "U8" H 6950 3992 50  0000 C CNN
F 1 "AMS1117-3.3" H 6950 3901 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 6950 3950 50  0001 C CNN
F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 7050 3500 50  0001 C CNN
	1    6950 3750
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR04
U 1 1 5BD30336
P 6550 3600
F 0 "#PWR04" H 6550 3450 50  0001 C CNN
F 1 "+5V" H 6565 3773 50  0000 C CNN
F 2 "" H 6550 3600 50  0001 C CNN
F 3 "" H 6550 3600 50  0001 C CNN
	1    6550 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	6550 3600 6550 3750
Wire Wire Line
	6550 3750 6650 3750
$Comp
L power:GND #PWR08
U 1 1 5BD311D3
P 6950 4150
F 0 "#PWR08" H 6950 3900 50  0001 C CNN
F 1 "GND" H 6955 3977 50  0000 C CNN
F 2 "" H 6950 4150 50  0001 C CNN
F 3 "" H 6950 4150 50  0001 C CNN
	1    6950 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 4150 6950 4100
$Comp
L Device:C C8
U 1 1 5BD320D0
P 6550 3950
F 0 "C8" H 6665 3996 50  0000 L CNN
F 1 "100n" H 6665 3905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6588 3800 50  0001 C CNN
F 3 "~" H 6550 3950 50  0001 C CNN
	1    6550 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6550 4100 6950 4100
Connection ~ 6950 4100
Wire Wire Line
	6950 4100 6950 4050
Wire Wire Line
	6550 3750 6550 3800
Connection ~ 6550 3750
$Comp
L 74xx_IEEE:7408 U2
U 4 1 5BD46086
P 3350 7150
F 0 "U2" H 3350 7515 50  0000 C CNN
F 1 "74HCT08" H 3350 7424 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 3350 7150 50  0001 C CNN
F 3 "" H 3350 7150 50  0001 C CNN
	4    3350 7150
	1    0    0    -1  
$EndComp
NoConn ~ 3900 5450
NoConn ~ 3900 6250
NoConn ~ 3900 7150
$Comp
L power:+5V #PWR0117
U 1 1 5BD4A3E6
P 2400 6850
F 0 "#PWR0117" H 2400 6700 50  0001 C CNN
F 1 "+5V" H 2415 7023 50  0000 C CNN
F 2 "" H 2400 6850 50  0001 C CNN
F 3 "" H 2400 6850 50  0001 C CNN
	1    2400 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 6850 2400 7050
Wire Wire Line
	2400 7250 2800 7250
Wire Wire Line
	2800 7050 2400 7050
Connection ~ 2400 7050
Wire Wire Line
	2400 7050 2400 7250
$Comp
L power:GND #PWR0118
U 1 1 5BD4C883
P 2400 5750
F 0 "#PWR0118" H 2400 5500 50  0001 C CNN
F 1 "GND" H 2405 5577 50  0000 C CNN
F 2 "" H 2400 5750 50  0001 C CNN
F 3 "" H 2400 5750 50  0001 C CNN
	1    2400 5750
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 5750 2400 5550
Wire Wire Line
	2400 5350 2800 5350
Wire Wire Line
	2800 5550 2400 5550
Connection ~ 2400 5550
Wire Wire Line
	2400 5550 2400 5350
NoConn ~ 4150 1700
NoConn ~ 4150 1800
NoConn ~ 4150 1900
NoConn ~ 4150 2000
NoConn ~ 4150 2100
NoConn ~ 4150 2200
NoConn ~ 4150 2300
NoConn ~ 4150 2400
NoConn ~ 4150 2500
NoConn ~ 2200 3100
NoConn ~ 2200 3300
NoConn ~ 2200 3400
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5BD6032C
P 9150 5450
F 0 "#FLG0101" H 9150 5525 50  0001 C CNN
F 1 "PWR_FLAG" H 9150 5624 50  0000 C CNN
F 2 "" H 9150 5450 50  0001 C CNN
F 3 "~" H 9150 5450 50  0001 C CNN
	1    9150 5450
	1    0    0    -1  
$EndComp
$Comp
L power:+24V #PWR0119
U 1 1 5BD61EFC
P 9150 5650
F 0 "#PWR0119" H 9150 5500 50  0001 C CNN
F 1 "+24V" H 9165 5823 50  0000 C CNN
F 2 "" H 9150 5650 50  0001 C CNN
F 3 "" H 9150 5650 50  0001 C CNN
	1    9150 5650
	-1   0    0    1   
$EndComp
Wire Wire Line
	9150 5650 9150 5450
$Comp
L power:+5V #PWR0120
U 1 1 5BD63789
P 5450 3650
F 0 "#PWR0120" H 5450 3500 50  0001 C CNN
F 1 "+5V" H 5465 3823 50  0000 C CNN
F 2 "" H 5450 3650 50  0001 C CNN
F 3 "" H 5450 3650 50  0001 C CNN
	1    5450 3650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0121
U 1 1 5BD50D91
P 2050 4300
F 0 "#PWR0121" H 2050 4050 50  0001 C CNN
F 1 "GND" H 2055 4127 50  0000 C CNN
F 2 "" H 2050 4300 50  0001 C CNN
F 3 "" H 2050 4300 50  0001 C CNN
	1    2050 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 4300 2050 4100
Wire Wire Line
	2050 3900 2200 3900
Wire Wire Line
	2200 4000 2050 4000
Connection ~ 2050 4000
Wire Wire Line
	2050 4000 2050 3900
Wire Wire Line
	2200 4100 2050 4100
Connection ~ 2050 4100
Wire Wire Line
	2050 4100 2050 4000
$Comp
L Device:C C9
U 1 1 5BD55B4E
P 1500 3200
F 0 "C9" H 1615 3246 50  0000 L CNN
F 1 "10u" H 1615 3155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1538 3050 50  0001 C CNN
F 3 "~" H 1500 3200 50  0001 C CNN
	1    1500 3200
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0122
U 1 1 5BD55BFD
P 1500 2850
F 0 "#PWR0122" H 1500 2700 50  0001 C CNN
F 1 "+5V" H 1515 3023 50  0000 C CNN
F 2 "" H 1500 2850 50  0001 C CNN
F 3 "" H 1500 2850 50  0001 C CNN
	1    1500 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	1500 2850 1500 2950
Connection ~ 1500 2950
Wire Wire Line
	1500 2950 1500 3050
$Comp
L power:GND #PWR0123
U 1 1 5BD59785
P 1500 3450
F 0 "#PWR0123" H 1500 3200 50  0001 C CNN
F 1 "GND" H 1505 3277 50  0000 C CNN
F 2 "" H 1500 3450 50  0001 C CNN
F 3 "" H 1500 3450 50  0001 C CNN
	1    1500 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1500 3450 1500 3350
$Comp
L power:+3.3V #PWR0124
U 1 1 5BD5B963
P 2100 2650
F 0 "#PWR0124" H 2100 2500 50  0001 C CNN
F 1 "+3.3V" H 2115 2823 50  0000 C CNN
F 2 "" H 2100 2650 50  0001 C CNN
F 3 "" H 2100 2650 50  0001 C CNN
	1    2100 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 2650 2100 2850
Wire Wire Line
	2100 2850 2200 2850
Text GLabel 4700 1400 0    50   Input ~ 0
IO5
Text GLabel 3100 4550 3    50   Input ~ 0
IO5
Wire Wire Line
	3100 4550 3100 4400
Wire Wire Line
	4800 1400 4700 1400
Text GLabel 4700 1500 0    50   Input ~ 0
IO18
Text GLabel 4700 1600 0    50   Input ~ 0
IO19
Text GLabel 4700 1700 0    50   Input ~ 0
IO23
Wire Wire Line
	4700 1700 4800 1700
Wire Wire Line
	4800 1600 4700 1600
Wire Wire Line
	4700 1500 4800 1500
Text GLabel 4250 2900 2    50   Input ~ 0
IO18
Text GLabel 4250 3000 2    50   Input ~ 0
IO19
Text GLabel 4250 3300 2    50   Input ~ 0
IO23
Wire Wire Line
	4250 3300 4150 3300
Wire Wire Line
	4250 3000 4150 3000
Wire Wire Line
	4250 2900 4150 2900
Wire Wire Line
	4800 1800 4700 1800
Wire Wire Line
	4700 1800 4700 1900
Connection ~ 4700 2300
Wire Wire Line
	4800 1900 4700 1900
Connection ~ 4700 1900
Wire Wire Line
	4700 1900 4700 2000
Wire Wire Line
	4800 2000 4700 2000
Connection ~ 4700 2000
Wire Wire Line
	4700 2000 4700 2100
Wire Wire Line
	4800 2100 4700 2100
Connection ~ 4700 2100
Wire Wire Line
	4700 2100 4700 2300
NoConn ~ 5800 1800
NoConn ~ 5800 1900
NoConn ~ 5800 2000
NoConn ~ 5800 2100
Wire Wire Line
	4250 3100 4150 3100
Wire Wire Line
	4150 3200 4250 3200
Wire Wire Line
	4250 2800 4150 2800
Wire Wire Line
	4150 2700 4250 2700
Wire Wire Line
	2900 4400 2900 4500
Wire Wire Line
	3000 4400 3000 4500
Wire Wire Line
	4250 4000 4150 4000
Wire Wire Line
	4150 3400 4250 3400
NoConn ~ 2200 3650
$Comp
L power:+5V #PWR0125
U 1 1 5BDC7A11
P 2650 6050
F 0 "#PWR0125" H 2650 5900 50  0001 C CNN
F 1 "+5V" H 2665 6223 50  0000 C CNN
F 2 "" H 2650 6050 50  0001 C CNN
F 3 "" H 2650 6050 50  0001 C CNN
	1    2650 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 6050 2650 6150
Wire Wire Line
	2650 6350 2800 6350
Wire Wire Line
	2800 6150 2650 6150
Connection ~ 2650 6150
Wire Wire Line
	2650 6150 2650 6350
$Comp
L pca9515:PCA9515 U9
U 1 1 5BD7A741
P 8650 1700
F 0 "U9" H 8250 2100 50  0000 C CNN
F 1 "PCA9515" H 8150 2000 50  0000 C CNN
F 2 "Package_SO:TSSOP-8_3x3mm_P0.65mm" H 8250 2050 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/pca9306.pdf" H 8350 2150 50  0001 C CNN
	1    8650 1700
	1    0    0    -1  
$EndComp
Text GLabel 7950 1700 0    50   Input ~ 0
SCL0
Text GLabel 7950 1800 0    50   Input ~ 0
SDA0
Text GLabel 9300 1700 2    50   Input ~ 0
SCL1
Text GLabel 9300 1800 2    50   Input ~ 0
SDA1
Wire Wire Line
	9300 1800 9050 1800
Wire Wire Line
	9050 1700 9300 1700
Wire Wire Line
	8250 1700 7950 1700
Wire Wire Line
	7950 1800 8250 1800
$Comp
L power:GND #PWR09
U 1 1 5BD8B088
P 8650 2300
F 0 "#PWR09" H 8650 2050 50  0001 C CNN
F 1 "GND" H 8655 2127 50  0000 C CNN
F 2 "" H 8650 2300 50  0001 C CNN
F 3 "" H 8650 2300 50  0001 C CNN
	1    8650 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 2300 8650 2200
$Comp
L Device:C C10
U 1 1 5BD8F4AC
P 9000 1100
F 0 "C10" V 8748 1100 50  0000 C CNN
F 1 "100n" V 8839 1100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9038 950 50  0001 C CNN
F 3 "~" H 9000 1100 50  0001 C CNN
	1    9000 1100
	0    1    1    0   
$EndComp
$Comp
L power:+3.3V #PWR01
U 1 1 5BD8F5F9
P 8650 1050
F 0 "#PWR01" H 8650 900 50  0001 C CNN
F 1 "+3.3V" H 8665 1223 50  0000 C CNN
F 2 "" H 8650 1050 50  0001 C CNN
F 3 "" H 8650 1050 50  0001 C CNN
	1    8650 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 1050 8650 1100
Wire Wire Line
	8850 1100 8650 1100
Connection ~ 8650 1100
Wire Wire Line
	8650 1100 8650 1200
$Comp
L power:GND #PWR010
U 1 1 5BD98012
P 9250 1200
F 0 "#PWR010" H 9250 950 50  0001 C CNN
F 1 "GND" H 9255 1027 50  0000 C CNN
F 2 "" H 9250 1200 50  0001 C CNN
F 3 "" H 9250 1200 50  0001 C CNN
	1    9250 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 1200 9250 1100
Wire Wire Line
	9250 1100 9150 1100
NoConn ~ 9050 1500
Text GLabel 4250 3800 2    50   Input ~ 0
IS_B_R_P
Text GLabel 4250 3900 2    50   Input ~ 0
IS_B_L_P
Wire Wire Line
	4150 3800 4250 3800
Wire Wire Line
	4250 3900 4150 3900
Text GLabel 4250 3500 2    50   Input ~ 0
IS_A_L_P
Text GLabel 4250 3700 2    50   Input ~ 0
IS_A_R_P
Wire Wire Line
	4150 3500 4250 3500
Wire Wire Line
	4250 3700 4150 3700
Wire Wire Line
	4250 3600 4150 3600
NoConn ~ 2800 4400
Wire Wire Line
	1500 2950 2200 2950
Wire Wire Line
	2050 3550 2200 3550
Text GLabel 4250 3400 2    50   Input ~ 0
Vbat
$Comp
L Device:R R3
U 1 1 5CB47065
P 1250 5900
F 0 "R3" H 1320 5946 50  0000 L CNN
F 1 "10K" H 1320 5855 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1180 5900 50  0001 C CNN
F 3 "~" H 1250 5900 50  0001 C CNN
	1    1250 5900
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 5CB470D2
P 1250 6500
F 0 "R4" H 1320 6546 50  0000 L CNN
F 1 "1K" H 1320 6455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1180 6500 50  0001 C CNN
F 3 "~" H 1250 6500 50  0001 C CNN
	1    1250 6500
	1    0    0    -1  
$EndComp
$Comp
L power:+24V #PWR011
U 1 1 5CB4717B
P 1250 5550
F 0 "#PWR011" H 1250 5400 50  0001 C CNN
F 1 "+24V" H 1265 5723 50  0000 C CNN
F 2 "" H 1250 5550 50  0001 C CNN
F 3 "" H 1250 5550 50  0001 C CNN
	1    1250 5550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR012
U 1 1 5CB47209
P 1250 6950
F 0 "#PWR012" H 1250 6700 50  0001 C CNN
F 1 "GND" H 1255 6777 50  0000 C CNN
F 2 "" H 1250 6950 50  0001 C CNN
F 3 "" H 1250 6950 50  0001 C CNN
	1    1250 6950
	1    0    0    -1  
$EndComp
$Comp
L Device:C C11
U 1 1 5CB47282
P 850 6500
F 0 "C11" H 965 6546 50  0000 L CNN
F 1 "100n" H 965 6455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 888 6350 50  0001 C CNN
F 3 "~" H 850 6500 50  0001 C CNN
	1    850  6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 6050 1250 6200
Wire Wire Line
	850  6350 850  6200
Wire Wire Line
	850  6200 1250 6200
Connection ~ 1250 6200
Wire Wire Line
	1250 6200 1250 6350
Wire Wire Line
	1250 5550 1250 5750
Wire Wire Line
	1250 6650 1250 6800
Wire Wire Line
	850  6650 850  6800
Wire Wire Line
	850  6800 1250 6800
Connection ~ 1250 6800
Wire Wire Line
	1250 6800 1250 6950
Text GLabel 1500 6200 2    50   Input ~ 0
Vbat
Wire Wire Line
	1500 6200 1250 6200
$Comp
L Device:R R5
U 1 1 5CB60365
P 4150 4400
F 0 "R5" H 4220 4446 50  0000 L CNN
F 1 "2K2" H 4220 4355 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4080 4400 50  0001 C CNN
F 3 "~" H 4150 4400 50  0001 C CNN
	1    4150 4400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 5CB60409
P 4150 4700
F 0 "#PWR013" H 4150 4450 50  0001 C CNN
F 1 "GND" H 4155 4527 50  0000 C CNN
F 2 "" H 4150 4700 50  0001 C CNN
F 3 "" H 4150 4700 50  0001 C CNN
	1    4150 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 4700 4150 4550
Wire Wire Line
	4150 4000 4150 4250
Connection ~ 4150 4000
Wire Wire Line
	5900 5250 6550 5250
Wire Wire Line
	5550 5650 6850 5650
$EndSCHEMATC