SaMcam_hw/SaMcam_shield/SaMcam_shield.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 5
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
NoConn ~ 9850 1100
Text Label 9250 1500 0    50   ~ 0
OB2_0
Text Label 9250 1400 0    50   ~ 0
OA2_0
Wire Wire Line
	9250 1300 9850 1300
Text Label 9250 1200 0    50   ~ 0
OA1_0
Wire Wire Line
	9250 1500 9850 1500
Text Label 9250 1300 0    50   ~ 0
OB1_0
Wire Wire Line
	9850 1400 9250 1400
Wire Wire Line
	9850 1200 9250 1200
$Comp
L Connector:Conn_01x05_Male J?
U 1 1 60A9936A
P 10050 1300
AR Path="/60355F25/60A9936A" Ref="J?"  Part="1" 
AR Path="/60A88316/60A9936A" Ref="J?"  Part="1" 
AR Path="/60A9936A" Ref="J?"  Part="1" 
F 0 "J?" H 10022 1232 50  0000 R CNN
F 1 "Conn_01x05_Male" H 10022 1323 50  0000 R CNN
F 2 "Connector_JST:JST_XH_S5B-XH-A_1x05_P2.50mm_Horizontal" H 10050 1300 50  0001 C CNN
F 3 "http://www.jst-mfg.com/product/pdf/eng/eXH.pdf" H 10050 1300 50  0001 C CNN
F 4 "455-2242-ND" H 10050 1300 50  0001 C CNN "Digikey"
	1    10050 1300
	-1   0    0    1   
$EndComp
Text Label 8800 1200 2    50   ~ 0
OA1_0
Text Label 8800 1300 2    50   ~ 0
OA2_0
Wire Wire Line
	8500 1200 8800 1200
Wire Wire Line
	8500 1300 8800 1300
Text Label 8800 1600 2    50   ~ 0
OB1_0
Text Label 8800 1700 2    50   ~ 0
OB2_0
Wire Wire Line
	8500 1600 8800 1600
Wire Wire Line
	8500 1700 8800 1700
Text Notes 9600 1200 0    50   ~ 0
orange
Text Notes 9600 1300 0    50   ~ 0
yellow
Text Notes 9600 1400 0    50   ~ 0
pink
Text Notes 9600 1500 0    50   ~ 0
blue
$Comp
L Connector:Barrel_Jack J?
U 1 1 60C4EB2B
P 1300 1200
F 0 "J?" H 1357 1525 50  0000 C CNN
F 1 "Barrel_Jack" H 1357 1434 50  0000 C CNN
F 2 "Connector_BarrelJack:BarrelJack_Horizontal" H 1350 1160 50  0001 C CNN
F 3 "~" H 1350 1160 50  0001 C CNN
	1    1300 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 1100 1900 1100
Text Notes 1100 2300 0    50   ~ 0
Raspberry Pi 4 requires a 15 W (1.25 A @ 12 V) power supply. \nEstimated 300 mA for motors and residuals. \n--> > 1.55 A fuse recommended
$Comp
L Device:Fuse_Small F?
U 1 1 60C5F065
P 2000 1100
F 0 "F?" H 2000 1285 50  0000 C CNN
F 1 "Blade fuse holder" H 2000 1194 50  0000 C CNN
F 2 "SaMcam_shield:Fuse_Blade_Holder_Keystone" H 2000 1100 50  0001 C CNN
F 3 "https://www.keyelco.com/userAssets/file/M65p41.pdf" H 2000 1100 50  0001 C CNN
F 4 "36-3522-2-ND" H 2000 1100 50  0001 C CNN "Digikey"
	1    2000 1100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 1100 2500 1100
$Comp
L Device:R_Small R?
U 1 1 60C57404
P 2700 1500
AR Path="/60355F25/60C57404" Ref="R?"  Part="1" 
AR Path="/60A88316/60C57404" Ref="R?"  Part="1" 
AR Path="/60C57404" Ref="R?"  Part="1" 
F 0 "R?" V 2600 1500 50  0000 C CNN
F 1 "10.2 k" V 2800 1500 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2700 1500 50  0001 C CNN
F 3 "~" H 2700 1500 50  0001 C CNN
F 4 "YAG5252CT-ND" V 2700 1500 50  0001 C CNN "Digikey"
	1    2700 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:Q_PMOS_GSD Q?
U 1 1 60C4F966
P 2700 1200
F 0 "Q?" V 3042 1200 50  0000 C CNN
F 1 "Q_PMOS_GSD" V 2951 1200 50  0000 C CNN
F 2 "" H 2900 1300 50  0001 C CNN
F 3 "~" H 2700 1200 50  0001 C CNN
	1    2700 1200
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60C64D4D
P 2700 1700
F 0 "#PWR?" H 2700 1450 50  0001 C CNN
F 1 "GND" H 2705 1527 50  0000 C CNN
F 2 "" H 2700 1700 50  0001 C CNN
F 3 "" H 2700 1700 50  0001 C CNN
	1    2700 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 1700 2700 1600
$Comp
L power:GND #PWR?
U 1 1 60C661EF
P 1700 1700
F 0 "#PWR?" H 1700 1450 50  0001 C CNN
F 1 "GND" H 1705 1527 50  0000 C CNN
F 2 "" H 1700 1700 50  0001 C CNN
F 3 "" H 1700 1700 50  0001 C CNN
	1    1700 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 1700 1700 1300
Wire Wire Line
	1700 1300 1600 1300
$Sheet
S 1100 2900 1500 400 
U 60C6E8D2
F0 "12 V to 5 V switching regulator" 50
F1 "12v_to_5v_switching_regulator.sch" 50
F2 "PGOOD" O R 2600 3100 50 
$EndSheet
$Sheet
S 7000 1100 1500 700 
U 60355F25
F0 "Motor driver 0" 50
F1 "motor_driver.sch" 50
F2 "~PDN_UART" B L 7000 1200 50 
F3 "DIAG" O L 7000 1300 50 
F4 "~EN" I L 7000 1400 50 
F5 "STEP" I L 7000 1500 50 
F6 "DIR" I L 7000 1600 50 
F7 "VREF_OVR" I L 7000 1700 50 
F8 "OA1" O R 8500 1200 50 
F9 "OA2" O R 8500 1300 50 
F10 "OB1" O R 8500 1600 50 
F11 "OB2" O R 8500 1700 50 
$EndSheet
$Comp
L Connector_Generic:Conn_02x20_Odd_Even J?
U 1 1 605E9069
P 2800 5100
F 0 "J?" H 2850 6217 50  0000 C CNN
F 1 "Conn_02x20_Odd_Even" H 2850 6126 50  0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 2800 5100 50  0001 C CNN
F 3 "https://drawings-pdf.s3.amazonaws.com/10492.pdf" H 2800 5100 50  0001 C CNN
F 4 "PPPC102LFBN-RC" H 2800 5100 50  0001 C CNN "Digikey"
	1    2800 5100
	1    0    0    -1  
$EndComp
Text Label 3600 4200 2    50   ~ 0
5V_PI
Text Label 3600 4300 2    50   ~ 0
5V_PI
Text Label 3600 4400 2    50   ~ 0
GND_PI
Wire Wire Line
	3100 4300 3600 4300
Wire Wire Line
	3100 4400 3600 4400
Text Label 3600 4600 2    50   ~ 0
UART_RX(15)
Text Label 3600 4700 2    50   ~ 0
GPIO18_PI
Wire Wire Line
	3100 4500 3600 4500
Wire Wire Line
	3100 4600 3600 4600
Wire Wire Line
	3100 4700 3600 4700
Text Label 3600 4800 2    50   ~ 0
GND
Text Label 3600 4900 2    50   ~ 0
GPIO23_PI
Text Label 3600 5000 2    50   ~ 0
GPIO24_PI
Wire Wire Line
	3100 4800 3600 4800
Wire Wire Line
	3100 4900 3600 4900
Wire Wire Line
	3100 5000 3600 5000
Text Label 3600 5100 2    50   ~ 0
GND
Text Label 3600 5200 2    50   ~ 0
GPIO25_PI
Text Label 3600 5300 2    50   ~ 0
GPIO8_PI
Wire Wire Line
	3100 5100 3600 5100
Wire Wire Line
	3100 5200 3600 5200
Wire Wire Line
	3100 5300 3600 5300
Text Label 3600 5400 2    50   ~ 0
GPIO7_PI
Text Label 3600 5500 2    50   ~ 0
GPIO1_PI
Text Label 3600 5600 2    50   ~ 0
GND_PI
Wire Wire Line
	3100 5400 3600 5400
Wire Wire Line
	3100 5500 3600 5500
Wire Wire Line
	3100 5600 3600 5600
Text Label 3600 5700 2    50   ~ 0
PWM0_PI(12)
Text Label 3600 5800 2    50   ~ 0
GND_PI
Text Label 3600 5900 2    50   ~ 0
GPIO16_PI
Wire Wire Line
	3100 5700 3600 5700
Wire Wire Line
	3100 5800 3600 5800
Wire Wire Line
	3100 5900 3600 5900
Text Label 3600 6000 2    50   ~ 0
GPIO20_PI
Text Label 3600 6100 2    50   ~ 0
GPIO21_PI
Wire Wire Line
	3100 6000 3600 6000
Wire Wire Line
	3100 6100 3600 6100
Text Label 2100 4200 0    50   ~ 0
3V3_PI
Wire Wire Line
	2600 4300 2100 4300
Wire Wire Line
	2600 4400 2100 4400
Text Label 2100 4700 0    50   ~ 0
GPIO17_PI
Wire Wire Line
	2600 4500 2100 4500
Wire Wire Line
	2600 4600 2100 4600
Wire Wire Line
	2600 4700 2100 4700
Wire Wire Line
	2600 4800 2100 4800
Wire Wire Line
	2600 4900 2100 4900
Wire Wire Line
	2600 5000 2100 5000
Text Label 2100 5200 0    50   ~ 0
GPIO9_PI
Text Label 2100 5300 0    50   ~ 0
GPIO11_PI
Wire Wire Line
	2600 5100 2100 5100
Wire Wire Line
	2600 5200 2100 5200
Wire Wire Line
	2600 5300 2100 5300
Text Label 2100 5500 0    50   ~ 0
GPIO0_PI
Wire Wire Line
	2600 5400 2100 5400
Wire Wire Line
	2600 5500 2100 5500
Wire Wire Line
	2600 5600 2100 5600
Text Label 2100 5700 0    50   ~ 0
GPIO6_PI
Text Label 2100 5900 0    50   ~ 0
GPIO19_PI
Wire Wire Line
	2600 5700 2100 5700
Wire Wire Line
	2600 5800 2100 5800
Wire Wire Line
	2600 5900 2100 5900
Text Label 2100 6000 0    50   ~ 0
GPIO26_PI
Wire Wire Line
	2600 6000 2100 6000
Text Label 2100 4300 0    50   ~ 0
GPIO2_PI
Text Label 2100 4400 0    50   ~ 0
GPIO3_PI
Text Label 2100 4500 0    50   ~ 0
GPIO4_PI
Text Label 2100 4600 0    50   ~ 0
GND
Text Label 2100 4800 0    50   ~ 0
GPIO27_PI
Text Label 2100 4900 0    50   ~ 0
GPIO22_PI
Text Label 2100 5000 0    50   ~ 0
3V3_PI
Text Label 2100 5100 0    50   ~ 0
GPIO10_PI
Text Label 2100 5400 0    50   ~ 0
GND
Text Label 2100 5600 0    50   ~ 0
GPIO5_PI
Text Label 2100 6100 0    50   ~ 0
GND
Text Label 2100 5800 0    50   ~ 0
PWM1_PI(13)
Text Notes 9600 1100 0    50   ~ 0
red
NoConn ~ 9850 1700
Text Label 9250 2100 0    50   ~ 0
OB2_1
Text Label 9250 2000 0    50   ~ 0
OA2_1
Wire Wire Line
	9250 1900 9850 1900
Text Label 9250 1800 0    50   ~ 0
OA1_1
Wire Wire Line
	9250 2100 9850 2100
Text Label 9250 1900 0    50   ~ 0
OB1_1
Wire Wire Line
	9850 2000 9250 2000
Wire Wire Line
	9850 1800 9250 1800
$Comp
L Connector:Conn_01x05_Male J?
U 1 1 6060C8B9
P 10050 1900
AR Path="/60355F25/6060C8B9" Ref="J?"  Part="1" 
AR Path="/60A88316/6060C8B9" Ref="J?"  Part="1" 
AR Path="/6060C8B9" Ref="J?"  Part="1" 
F 0 "J?" H 10022 1832 50  0000 R CNN
F 1 "Conn_01x05_Male" H 10022 1923 50  0000 R CNN
F 2 "Connector_JST:JST_XH_S5B-XH-A_1x05_P2.50mm_Horizontal" H 10050 1900 50  0001 C CNN
F 3 "http://www.jst-mfg.com/product/pdf/eng/eXH.pdf" H 10050 1900 50  0001 C CNN
F 4 "455-2242-ND" H 10050 1900 50  0001 C CNN "Digikey"
	1    10050 1900
	-1   0    0    1   
$EndComp
Text Notes 9600 1800 0    50   ~ 0
orange
Text Notes 9600 1900 0    50   ~ 0
yellow
Text Notes 9600 2000 0    50   ~ 0
pink
Text Notes 9600 2100 0    50   ~ 0
blue
Text Notes 9600 1700 0    50   ~ 0
red
NoConn ~ 9850 2300
Text Label 9250 2700 0    50   ~ 0
OB2_2
Text Label 9250 2600 0    50   ~ 0
OA2_2
Wire Wire Line
	9250 2500 9850 2500
Text Label 9250 2400 0    50   ~ 0
OA1_2
Wire Wire Line
	9250 2700 9850 2700
Text Label 9250 2500 0    50   ~ 0
OB1_2
Wire Wire Line
	9850 2600 9250 2600
Wire Wire Line
	9850 2400 9250 2400
$Comp
L Connector:Conn_01x05_Male J?
U 1 1 6060EC24
P 10050 2500
AR Path="/60355F25/6060EC24" Ref="J?"  Part="1" 
AR Path="/60A88316/6060EC24" Ref="J?"  Part="1" 
AR Path="/6060EC24" Ref="J?"  Part="1" 
F 0 "J?" H 10022 2432 50  0000 R CNN
F 1 "Conn_01x05_Male" H 10022 2523 50  0000 R CNN
F 2 "Connector_JST:JST_XH_S5B-XH-A_1x05_P2.50mm_Horizontal" H 10050 2500 50  0001 C CNN
F 3 "http://www.jst-mfg.com/product/pdf/eng/eXH.pdf" H 10050 2500 50  0001 C CNN
F 4 "455-2242-ND" H 10050 2500 50  0001 C CNN "Digikey"
	1    10050 2500
	-1   0    0    1   
$EndComp
Text Notes 9600 2400 0    50   ~ 0
orange
Text Notes 9600 2500 0    50   ~ 0
yellow
Text Notes 9600 2600 0    50   ~ 0
pink
Text Notes 9600 2700 0    50   ~ 0
blue
Text Notes 9600 2300 0    50   ~ 0
red
Text Notes 10200 1100 0    50   ~ 0
Motor 0
Text Notes 10200 1700 0    50   ~ 0
Motor 1
Text Notes 10200 2300 0    50   ~ 0
Motor 2
$Comp
L Device:LED_Small D?
U 1 1 60620F72
P 3500 1200
AR Path="/60355F25/60620F72" Ref="D?"  Part="1" 
AR Path="/60A88316/60620F72" Ref="D?"  Part="1" 
AR Path="/60C6E8D2/60620F72" Ref="D?"  Part="1" 
AR Path="/60620F72" Ref="D?"  Part="1" 
F 0 "D?" V 3546 1130 50  0000 R CNN
F 1 "Green" V 3455 1130 50  0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" V 3500 1200 50  0001 C CNN
F 3 "https://katalog.we-online.de/led/datasheet/150060VS75000.pdf" V 3500 1200 50  0001 C CNN
F 4 "732-4980-1-ND" V 3500 1200 50  0001 C CNN "Digikey"
	1    3500 1200
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60620F7F
P 3500 1700
AR Path="/60C6E8D2/60620F7F" Ref="#PWR?"  Part="1" 
AR Path="/60620F7F" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 3500 1450 50  0001 C CNN
F 1 "GND" H 3505 1527 50  0000 C CNN
F 2 "" H 3500 1700 50  0001 C CNN
F 3 "" H 3500 1700 50  0001 C CNN
	1    3500 1700
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR?
U 1 1 60639E8F
P 3500 1000
AR Path="/60C6E8D2/60639E8F" Ref="#PWR?"  Part="1" 
AR Path="/60639E8F" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 3500 850 50  0001 C CNN
F 1 "+12V" H 3515 1173 50  0000 C CNN
F 2 "" H 3500 1000 50  0001 C CNN
F 3 "" H 3500 1000 50  0001 C CNN
	1    3500 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R?
U 1 1 606510B7
P 3500 1500
AR Path="/60355F25/606510B7" Ref="R?"  Part="1" 
AR Path="/60A88316/606510B7" Ref="R?"  Part="1" 
AR Path="/606510B7" Ref="R?"  Part="1" 
F 0 "R?" V 3400 1500 50  0000 C CNN
F 1 "10.2 k" V 3600 1500 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 3500 1500 50  0001 C CNN
F 3 "~" H 3500 1500 50  0001 C CNN
F 4 "YAG5252CT-ND" V 3500 1500 50  0001 C CNN "Digikey"
	1    3500 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 1400 3500 1300
Wire Wire Line
	3500 1600 3500 1700
Wire Wire Line
	2900 1100 3200 1100
Wire Wire Line
	3500 1000 3500 1100
Connection ~ 3500 1100
Text Notes 3800 1200 0    50   ~ 0
1 mA @ 2 V
$Comp
L power:PWR_FLAG #FLG?
U 1 1 60666FC0
P 3200 1000
F 0 "#FLG?" H 3200 1075 50  0001 C CNN
F 1 "PWR_FLAG" H 3200 1173 50  0000 C CNN
F 2 "" H 3200 1000 50  0001 C CNN
F 3 "~" H 3200 1000 50  0001 C CNN
	1    3200 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 1000 3200 1100
Connection ~ 3200 1100
Wire Wire Line
	3200 1100 3500 1100
$Comp
L power:+3V3 #PWR?
U 1 1 6068DD06
P 2000 4100
F 0 "#PWR?" H 2000 3950 50  0001 C CNN
F 1 "+3V3" H 2015 4273 50  0000 C CNN
F 2 "" H 2000 4100 50  0001 C CNN
F 3 "" H 2000 4100 50  0001 C CNN
	1    2000 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 4200 2600 4200
$Comp
L power:+5V #PWR?
U 1 1 6069306D
P 3700 4100
F 0 "#PWR?" H 3700 3950 50  0001 C CNN
F 1 "+5V" H 3715 4273 50  0000 C CNN
F 2 "" H 3700 4100 50  0001 C CNN
F 3 "" H 3700 4100 50  0001 C CNN
	1    3700 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 4100 2000 4200
Wire Wire Line
	3700 4200 3700 4100
Wire Wire Line
	3100 4200 3700 4200
$Comp
L power:GND #PWR?
U 1 1 6069A24D
P 2000 6200
F 0 "#PWR?" H 2000 5950 50  0001 C CNN
F 1 "GND" H 2005 6027 50  0000 C CNN
F 2 "" H 2000 6200 50  0001 C CNN
F 3 "" H 2000 6200 50  0001 C CNN
	1    2000 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 6200 2000 6100
Wire Wire Line
	2000 6100 2600 6100
Text Label 8800 2200 2    50   ~ 0
OA1_1
Text Label 8800 2300 2    50   ~ 0
OA2_1
Wire Wire Line
	8500 2200 8800 2200
Wire Wire Line
	8500 2300 8800 2300
Text Label 8800 2600 2    50   ~ 0
OB1_1
Text Label 8800 2700 2    50   ~ 0
OB2_1
Wire Wire Line
	8500 2600 8800 2600
Wire Wire Line
	8500 2700 8800 2700
$Sheet
S 7000 2100 1500 700 
U 606B2804
F0 "Motor driver 1" 50
F1 "motor_driver.sch" 50
F2 "~PDN_UART" B L 7000 2200 50 
F3 "DIAG" O L 7000 2300 50 
F4 "~EN" I L 7000 2400 50 
F5 "STEP" I L 7000 2500 50 
F6 "DIR" I L 7000 2600 50 
F7 "VREF_OVR" I L 7000 2700 50 
F8 "OA1" O R 8500 2200 50 
F9 "OA2" O R 8500 2300 50 
F10 "OB1" O R 8500 2600 50 
F11 "OB2" O R 8500 2700 50 
$EndSheet
Text Label 8800 3200 2    50   ~ 0
OA1_2
Text Label 8800 3300 2    50   ~ 0
OA2_2
Wire Wire Line
	8500 3200 8800 3200
Wire Wire Line
	8500 3300 8800 3300
Text Label 8800 3600 2    50   ~ 0
OB1_2
Text Label 8800 3700 2    50   ~ 0
OB2_2
Wire Wire Line
	8500 3600 8800 3600
Wire Wire Line
	8500 3700 8800 3700
$Sheet
S 7000 3100 1500 700 
U 606B5506
F0 "Motor driver 2" 50
F1 "motor_driver.sch" 50
F2 "~PDN_UART" B L 7000 3200 50 
F3 "DIAG" O L 7000 3300 50 
F4 "~EN" I L 7000 3400 50 
F5 "STEP" I L 7000 3500 50 
F6 "DIR" I L 7000 3600 50 
F7 "VREF_OVR" I L 7000 3700 50 
F8 "OA1" O R 8500 3200 50 
F9 "OA2" O R 8500 3300 50 
F10 "OB1" O R 8500 3600 50 
F11 "OB2" O R 8500 3700 50 
$EndSheet
Text Label 6500 2500 0    50   ~ 0
PWM1_PI(13)
Wire Wire Line
	6500 2500 7000 2500
Text Label 6500 1500 0    50   ~ 0
PWM0_PI(12)
Wire Wire Line
	6500 1500 7000 1500
$Comp
L 74xx:74HC4051 U?
U 1 1 604F82D8
P 5100 2600
F 0 "U?" H 5300 3200 50  0000 L CNN
F 1 "74HC4051" H 5300 3100 50  0000 L CNN
F 2 "" H 5100 2200 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT4051.pdf" H 5100 2200 50  0001 C CNN
F 4 "1727-3064-1-ND" H 5100 2600 50  0001 C CNN "Digikey"
	1    5100 2600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R?
U 1 1 6183AE8A
P 4000 2300
AR Path="/60355F25/6183AE8A" Ref="R?"  Part="1" 
AR Path="/60A88316/6183AE8A" Ref="R?"  Part="1" 
AR Path="/606B2804/6183AE8A" Ref="R?"  Part="1" 
AR Path="/606B5506/6183AE8A" Ref="R?"  Part="1" 
AR Path="/6183AE8A" Ref="R?"  Part="1" 
F 0 "R?" V 4200 2300 50  0000 C CNN
F 1 "3 k" V 4100 2300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4000 2300 50  0001 C CNN
F 3 "~" H 4000 2300 50  0001 C CNN
F 4 "RR08P3.0KDCT-ND" V 4000 2300 50  0001 C CNN "Digikey"
	1    4000 2300
	0    -1   -1   0   
$EndComp
Text Label 4700 2300 2    50   ~ 0
UART_TX(14)
Text Label 3300 2300 0    50   ~ 0
UART_RX(15)
Wire Wire Line
	4100 2300 4200 2300
Wire Wire Line
	3300 2300 3800 2300
Text Label 3600 4500 2    50   ~ 0
UART_TX(14)
$Comp
L power:+3V3 #PWR?
U 1 1 61889313
P 5100 2100
F 0 "#PWR?" H 5100 1950 50  0001 C CNN
F 1 "+3V3" H 5115 2273 50  0000 C CNN
F 2 "" H 5100 2100 50  0001 C CNN
F 3 "" H 5100 2100 50  0001 C CNN
	1    5100 2100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6188C2E4
P 5100 3300
F 0 "#PWR?" H 5100 3050 50  0001 C CNN
F 1 "GND" H 5105 3127 50  0000 C CNN
F 2 "" H 5100 3300 50  0001 C CNN
F 3 "" H 5100 3300 50  0001 C CNN
	1    5100 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 3200 5100 3200
Connection ~ 5100 3200
Wire Wire Line
	5100 3300 5100 3200
Wire Wire Line
	7000 1200 5800 1200
Wire Wire Line
	5800 1200 5800 2300
Wire Wire Line
	5800 2300 5500 2300
Wire Wire Line
	5500 2400 5900 2400
Wire Wire Line
	5900 2400 5900 2200
Wire Wire Line
	5900 2200 7000 2200
Wire Wire Line
	5500 2500 5900 2500
Wire Wire Line
	5900 2500 5900 3200
Wire Wire Line
	5900 3200 7000 3200
NoConn ~ 5500 2600
NoConn ~ 5500 2700
NoConn ~ 5500 2800
NoConn ~ 5500 2900
NoConn ~ 5500 3000
Text Label 6500 3500 0    50   ~ 0
GPIO2_PI
Wire Wire Line
	6500 3500 7000 3500
Text Label 6500 1600 0    50   ~ 0
GPIO20_PI
Wire Wire Line
	6500 1600 7000 1600
NoConn ~ 7000 3700
NoConn ~ 7000 2700
NoConn ~ 7000 1700
Wire Wire Line
	6500 3400 7000 3400
Wire Wire Line
	6500 2400 7000 2400
Wire Wire Line
	6500 1400 7000 1400
Text Label 6500 2600 0    50   ~ 0
GPIO19_PI
Wire Wire Line
	6500 2600 7000 2600
Text Label 6500 3600 0    50   ~ 0
GPIO3_PI
Wire Wire Line
	6500 3600 7000 3600
$Comp
L Device:R_Small R?
U 1 1 619CEB0A
P 4000 2400
AR Path="/60355F25/619CEB0A" Ref="R?"  Part="1" 
AR Path="/60A88316/619CEB0A" Ref="R?"  Part="1" 
AR Path="/606B2804/619CEB0A" Ref="R?"  Part="1" 
AR Path="/606B5506/619CEB0A" Ref="R?"  Part="1" 
AR Path="/619CEB0A" Ref="R?"  Part="1" 
F 0 "R?" V 4200 2400 50  0000 C CNN
F 1 "3 k" V 4100 2400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4000 2400 50  0001 C CNN
F 3 "~" H 4000 2400 50  0001 C CNN
F 4 "RR08P3.0KDCT-ND" V 4000 2400 50  0001 C CNN "Digikey"
	1    4000 2400
	0    1    1    0   
$EndComp
Wire Wire Line
	3800 2300 3800 2400
Wire Wire Line
	3800 2400 3900 2400
Connection ~ 3800 2300
Wire Wire Line
	3800 2300 3900 2300
Wire Wire Line
	4100 2400 4200 2400
Wire Wire Line
	4200 2400 4200 2300
Connection ~ 4200 2300
Wire Wire Line
	4200 2300 4800 2300
Text Notes 3300 2800 0    50   ~ 0
Component consolidation.
NoConn ~ 7000 2300
NoConn ~ 7000 3300
NoConn ~ 7000 1300
Wire Wire Line
	4300 2900 4800 2900
Text Label 4300 2900 0    50   ~ 0
GPIO18_PI
Text Label 6500 1400 0    50   ~ 0
GPIO21_PI
Text Label 6500 2400 0    50   ~ 0
GPIO26_PI
Text Label 6500 3400 0    50   ~ 0
GPIO4_PI
Text Label 4300 2500 0    50   ~ 0
GPIO23_PI
Text Label 4300 2600 0    50   ~ 0
GPIO24_PI
Text Label 4300 2700 0    50   ~ 0
GPIO25_PI
Wire Wire Line
	4300 2700 4800 2700
Wire Wire Line
	4300 2600 4800 2600
Wire Wire Line
	4300 2500 4800 2500
$Comp
L RF_Module:ESP-WROOM-02 U?
U 1 1 61865178
P 7400 5100
F 0 "U?" H 7400 5881 50  0000 C CNN
F 1 "ESP-WROOM-02" H 7400 5790 50  0000 C CNN
F 2 "RF_Module:ESP-WROOM-02" H 8000 4550 50  0001 C CNN
F 3 "https://www.espressif.com/sites/default/files/documentation/0c-esp-wroom-02_datasheet_en.pdf" H 7450 6600 50  0001 C CNN
	1    7400 5100
	1    0    0    -1  
$EndComp
$EndSCHEMATC