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EESchema Schematic File Version 2
LIBS:Custom_Parts
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:w_analog
LIBS:w_connectors
LIBS:w_device
LIBS:w_logic
LIBS:w_memory
LIBS:w_microcontrollers
LIBS:w_opto
LIBS:w_relay
LIBS:w_rtx
LIBS:w_transistor
LIBS:bluetooth_IMU-cache
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date "28 sep 2013"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L L3GD20 U4
U 1 1 5145B971
P 8350 2250
F 0 "U4" H 8450 2100 60  0000 C CNN
F 1 "L3GD20" H 8450 2250 60  0000 C CNN
F 2 "" H 8350 2250 60  0000 C CNN
F 3 "" H 8350 2250 60  0000 C CNN
        1    8350 2250
        1    0    0    -1  
$EndComp
$Comp
L LSM303DLHC U5
U 1 1 5145B980
P 8350 3750
F 0 "U5" H 8350 3650 60  0000 C CNN
F 1 "LSM303DLHC" H 8350 3850 60  0000 C CNN
F 2 "" H 8350 3750 60  0000 C CNN
F 3 "" H 8350 3750 60  0000 C CNN
        1    8350 3750
        1    0    0    -1  
$EndComp
$Comp
L CONN_2 P1
U 1 1 5145B9A3
P 2050 6700
F 0 "P1" V 2000 6700 40  0000 C CNN
F 1 "BAT" V 2100 6700 40  0000 C CNN
F 2 "" H 2050 6700 60  0000 C CNN
F 3 "" H 2050 6700 60  0000 C CNN
        1    2050 6700
        1    0    0    -1  
$EndComp
Text Label 1600 6600 2    60   ~ 0
V_BAT
Text Label 1600 6800 2    60   ~ 0
GND
Text Label 2550 1500 2    60   ~ 0
GND
Text Label 2550 2600 2    60   ~ 0
GND
Text Label 9350 2200 0    60   ~ 0
GND
Text Label 7350 4050 2    60   ~ 0
GND
Text Label 3800 5400 3    60   ~ 0
GND
Text Label 7350 3550 2    60   ~ 0
SCL
Text Label 7350 3650 2    60   ~ 0
SDA
Text Label 7350 2000 2    60   ~ 0
SCL
Text Label 7350 2100 2    60   ~ 0
SDA
Text Label 3350 4950 2    60   ~ 0
VDD
Text Label 9350 3450 0    60   ~ 0
VDD
Text Label 7350 3450 2    60   ~ 0
VDD
Text Label 7350 1900 2    60   ~ 0
VDD
Text Label 9450 1900 0    60   ~ 0
VDD
Text Label 4650 2600 0    60   ~ 0
UART_TX
Text Label 4650 2500 0    60   ~ 0
UART_RX
Text Label 4650 2400 0    60   ~ 0
UART_CTS
Text Label 4650 2300 0    60   ~ 0
UART_RTS
Text Label 2550 2500 2    60   ~ 0
VDD
Text Label 4650 1800 0    60   ~ 0
STATUS_LED
Text Label 4650 2000 0    60   ~ 0
CONNECT_LED
$Comp
L C C4
U 1 1 5145C46E
P 5850 5000
F 0 "C4" H 5850 5100 40  0000 L CNN
F 1 "10uF" H 5856 4915 40  0000 L CNN
F 2 "~" H 5888 4850 30  0000 C CNN
F 3 "~" H 5850 5000 60  0000 C CNN
        1    5850 5000
        1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 5145C474
P 9750 2500
F 0 "C6" H 9750 2600 40  0000 L CNN
F 1 "10nF" H 9756 2415 40  0000 L CNN
F 2 "~" H 9788 2350 30  0000 C CNN
F 3 "~" H 9750 2500 60  0000 C CNN
        1    9750 2500
        1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 5145C759
P 6150 5000
F 0 "C5" H 6150 5100 40  0000 L CNN
F 1 "100nF" H 6156 4915 40  0000 L CNN
F 2 "~" H 6188 4850 30  0000 C CNN
F 3 "~" H 6150 5000 60  0000 C CNN
        1    6150 5000
        1    0    0    -1  
$EndComp
Text Label 9350 2300 0    60   ~ 0
GND
Text Label 9350 2400 0    60   ~ 0
GND
Text Label 9350 2500 0    60   ~ 0
GND
Text Label 9350 2600 0    60   ~ 0
GND
Text Label 7350 2600 2    60   ~ 0
GND
Text Label 5750 4800 2    60   ~ 0
VDD
Text Label 5400 5200 2    60   ~ 0
GND
$Comp
L C C3
U 1 1 5145CE53
P 6950 4200
F 0 "C3" H 6950 4300 40  0000 L CNN
F 1 "4.7uF" H 6956 4115 40  0000 L CNN
F 2 "~" H 6988 4050 30  0000 C CNN
F 3 "~" H 6950 4200 60  0000 C CNN
        1    6950 4200
        1    0    0    -1  
$EndComp
Text Label 7150 4400 0    60   ~ 0
GND
Text Label 9650 2700 2    60   ~ 0
GND
Text Label 9350 3850 0    60   ~ 0
GND
Text Label 9350 3750 0    60   ~ 0
GND
$Comp
L C C7
U 1 1 5145D01A
P 9750 3600
F 0 "C7" H 9750 3700 40  0000 L CNN
F 1 "0.22uF" H 9756 3515 40  0000 L CNN
F 2 "~" H 9788 3450 30  0000 C CNN
F 3 "~" H 9750 3600 60  0000 C CNN
        1    9750 3600
        1    0    0    -1  
$EndComp
Text Label 4250 4950 0    60   ~ 0
V_BAT
Text Label 9350 5650 0    60   ~ 0
VDD
Text Label 9350 5750 0    60   ~ 0
GND
Text Label 7350 6150 2    60   ~ 0
SCL
Text Label 7350 6350 2    60   ~ 0
SDA
Text Label 7350 5750 2    60   ~ 0
UART_CTS
Text Label 7350 5850 2    60   ~ 0
UART_RTS
Text Label 7350 5550 2    60   ~ 0
UART_RX
Text Label 7350 5650 2    60   ~ 0
UART_TX
Text Label 2550 1900 2    60   ~ 0
RESET
Text Label 7350 5950 2    60   ~ 0
RESET
Text Label 7350 2300 2    60   ~ 0
VDD
Text Label 7350 2200 2    60   ~ 0
VDD
Text Label 7350 2400 2    60   ~ 0
G_INT2
Text Label 7350 3850 2    60   ~ 0
A_INT1
Text Label 9350 6050 0    60   ~ 0
G_INT2
Text Label 7350 6050 2    60   ~ 0
A_INT1
$Comp
L PIC16F1829 U6
U 1 1 5146EE94
P 8350 5900
F 0 "U6" H 8350 5650 60  0000 C CNN
F 1 "PIC16F1829" H 8350 6150 60  0000 C CNN
F 2 "" H 8350 5900 60  0000 C CNN
F 3 "" H 8350 5900 60  0000 C CNN
        1    8350 5900
        1    0    0    -1  
$EndComp
Text Label 8500 6350 0    60   ~ 0
GND
$Comp
L CONN_6 P2
U 1 1 5146F586
P 1500 5200
F 0 "P2" V 1450 5200 60  0000 C CNN
F 1 "ICSP" V 1550 5200 60  0000 C CNN
F 2 "" H 1500 5200 60  0000 C CNN
F 3 "" H 1500 5200 60  0000 C CNN
        1    1500 5200
        -1   0    0    -1  
$EndComp
Text Label 7350 5450 2    60   ~ 0
MCLR
Text Label 1950 4950 0    60   ~ 0
MCLR
Text Label 1950 5050 0    60   ~ 0
VDD
Text Label 1950 5150 0    60   ~ 0
GND
Text Label 9350 5850 0    60   ~ 0
ICSPDAT
Text Label 9350 5950 0    60   ~ 0
ICSPCLK
Text Label 1950 5250 0    60   ~ 0
ICSPDAT
Text Label 1950 5350 0    60   ~ 0
ICSPCLK
NoConn ~ 1950 5450
Text Notes 7350 4950 0    60   ~ 0
TX/RX can be on pins RB7/RB5 or RC4/RC5\nSCL/SDA can be on pins RB6/RB4 or RB7/RB5\nInterrupt-on-change on all RA or RB pins\nCCP on RC5/RC3/RC1/RA5/RA2
Text Notes 7050 2900 0    60   ~ 0
SA0 pulled high on gyroscope for slave address of 0b1101011\nAccelerometer address fixed at 0b0011001\nMagnometer address fixed at 0b0011110\nInterrupt are pulled low! Need resistor between interrupt line\n  and uC if lines are connected to programming pins
Text Label 9350 3950 0    60   ~ 0
M_DRDY
Text Label 7350 6250 2    60   ~ 0
M_DRDY
$Comp
L CRYSTAL X1
U 1 1 51473862
P 5950 5700
F 0 "X1" H 5950 5850 60  0000 C CNN
F 1 "CRYSTAL" H 5950 5550 60  0000 C CNN
F 2 "~" H 5950 5700 60  0000 C CNN
F 3 "~" H 5950 5700 60  0000 C CNN
        1    5950 5700
        -1   0    0    1   
$EndComp
Text Label 9350 5450 0    60   ~ 0
T1OSO
Text Label 9350 5550 0    60   ~ 0
T1OSI
$Comp
L C C8
U 1 1 5147388E
P 5650 6000
F 0 "C8" H 5650 6100 40  0000 L CNN
F 1 "12pF" H 5656 5915 40  0000 L CNN
F 2 "~" H 5688 5850 30  0000 C CNN
F 3 "~" H 5650 6000 60  0000 C CNN
        1    5650 6000
        1    0    0    -1  
$EndComp
$Comp
L C C9
U 1 1 5147389B
P 6250 6000
F 0 "C9" H 6250 6100 40  0000 L CNN
F 1 "12pF" H 6256 5915 40  0000 L CNN
F 2 "~" H 6288 5850 30  0000 C CNN
F 3 "~" H 6250 6000 60  0000 C CNN
        1    6250 6000
        1    0    0    -1  
$EndComp
Text Label 5850 6200 0    60   ~ 0
GND
Text Label 5650 5600 2    60   ~ 0
T1OSO
Text Label 6250 5600 0    60   ~ 0
T1OSI
Text Label 3350 3300 3    60   ~ 0
GND
Text Label 3850 3300 3    60   ~ 0
GND
Text Notes 4550 3000 0    60   ~ 0
PIO_2 - Connect LED\nPIO_3 - Auto Pairing\nPIO_4 - Factory Reset\nPIO_5 - Status LED\nPIO_6 - Auto Master / DTR\nPIO_7 - Baudrate
$Comp
L 78XX U1
U 1 1 515E35BD
P 3800 4950
F 0 "U1" H 3800 5150 60  0000 C CNN
F 1 "78XX" H 3800 5050 60  0000 C CNN
F 2 "" H 3800 4950 60  0000 C CNN
F 3 "" H 3800 4950 60  0000 C CNN
        1    3800 4950
        1    0    0    -1  
$EndComp
$Comp
L C C1
U 1 1 515E5CE0
P 5500 5000
F 0 "C1" H 5500 5100 40  0000 L CNN
F 1 "10uF" H 5506 4915 40  0000 L CNN
F 2 "~" H 5538 4850 30  0000 C CNN
F 3 "~" H 5500 5000 60  0000 C CNN
        1    5500 5000
        1    0    0    -1  
$EndComp
Text Label 5400 4800 2    60   ~ 0
V_BAT
Text Label 4700 6100 0    60   ~ 0
SCL
Text Label 4700 6000 0    60   ~ 0
SDA
Text Label 4000 6700 0    60   ~ 0
GND
Text Label 3200 6200 2    60   ~ 0
VDD
Text Label 2350 6100 2    60   ~ 0
V_BAT
Text Label 3200 6300 2    60   ~ 0
GND
$Comp
L R R1
U 1 1 515F90F9
P 5850 4050
F 0 "R1" V 5930 4050 40  0000 C CNN
F 1 "10k" V 5857 4051 40  0000 C CNN
F 2 "~" V 5780 4050 30  0000 C CNN
F 3 "~" H 5850 4050 30  0000 C CNN
        1    5850 4050
        0    -1   -1   0   
$EndComp
$Comp
L R R2
U 1 1 515F9106
P 5850 4250
F 0 "R2" V 5930 4250 40  0000 C CNN
F 1 "10k" V 5857 4251 40  0000 C CNN
F 2 "~" V 5780 4250 30  0000 C CNN
F 3 "~" H 5850 4250 30  0000 C CNN
        1    5850 4250
        0    -1   -1   0   
$EndComp
Text Label 5500 4050 2    60   ~ 0
SCL
Text Label 5500 4250 2    60   ~ 0
SDA
Text Label 6200 4150 0    60   ~ 0
VDD
$Comp
L MAX17040 U3
U 1 1 51883323
P 3950 6200
F 0 "U3" H 3950 6300 60  0000 C CNN
F 1 "MAX17040" H 3950 6550 60  0000 C CNN
F 2 "~" H 3950 6200 60  0000 C CNN
F 3 "~" H 3950 6200 60  0000 C CNN
        1    3950 6200
        1    0    0    -1  
$EndComp
Text Label 4700 6200 0    60   ~ 0
GND
Text Label 4700 6300 0    60   ~ 0
GND
Text Label 3200 6000 2    60   ~ 0
GND
$Comp
L R R3
U 1 1 5188337B
P 2700 6100
F 0 "R3" V 2780 6100 40  0000 C CNN
F 1 "1k" V 2707 6101 40  0000 C CNN
F 2 "~" V 2630 6100 30  0000 C CNN
F 3 "~" H 2700 6100 30  0000 C CNN
        1    2700 6100
        0    -1   -1   0   
$EndComp
$Comp
L C C2
U 1 1 51883384
P 2950 6450
F 0 "C2" H 2950 6550 40  0000 L CNN
F 1 "1uF" H 2956 6365 40  0000 L CNN
F 2 "~" H 2988 6300 30  0000 C CNN
F 3 "~" H 2950 6450 60  0000 C CNN
        1    2950 6450
        -1   0    0    1   
$EndComp
Text Label 3000 6650 0    60   ~ 0
GND
NoConn ~ 7350 2500
NoConn ~ 7350 3750
$Comp
L RN-42 U2
U 1 1 521A156C
P 3600 2300
F 0 "U2" H 3600 2550 60  0000 C CNN
F 1 "RN-42" H 3600 2750 60  0000 C CNN
F 2 "~" H 3600 2250 60  0000 C CNN
F 3 "~" H 3600 2250 60  0000 C CNN
        1    3600 2300
        1    0    0    -1  
$EndComp
NoConn ~ 2550 2100
NoConn ~ 2550 2200
NoConn ~ 2550 2300
NoConn ~ 2550 2400
NoConn ~ 4650 2100
NoConn ~ 4650 2200
NoConn ~ 2550 2000
NoConn ~ 2550 1600
NoConn ~ 4650 1500
NoConn ~ 4650 1600
NoConn ~ 3250 3300
NoConn ~ 3950 3300
NoConn ~ 3450 3300
NoConn ~ 3550 3300
NoConn ~ 3650 3300
NoConn ~ 3750 3300
Text Label 2550 1700 2    60   ~ 0
GND
Text Label 2550 1800 2    60   ~ 0
GND
Text Label 4650 1900 0    60   ~ 0
GND
Text Label 4650 1700 0    60   ~ 0
GND
Text Label 9350 6150 0    60   ~ 0
LED_R
Text Label 9350 6250 0    60   ~ 0
LED_G
Text Label 9350 6350 0    60   ~ 0
LED_B
NoConn ~ 4650 1800
NoConn ~ 4650 2000
$Comp
L TRI_LED D1
U 1 1 521D33A8
P 5950 6750
F 0 "D1" H 6010 7070 50  0000 C CNN
F 1 "TRI_LED" H 6110 6420 50  0000 C CNN
F 2 "~" H 5950 6650 60  0000 C CNN
F 3 "~" H 5950 6650 60  0000 C CNN
        1    5950 6750
        1    0    0    -1  
$EndComp
Text Label 5300 6750 2    60   ~ 0
VDD
Text Label 6450 6600 0    60   ~ 0
LED_R
Text Label 6450 6750 0    60   ~ 0
LED_G
Text Label 6450 6900 0    60   ~ 0
LED_B
Wire Wire Line
        9600 3800 9750 3800
Wire Wire Line
        9600 3650 9600 3800
Wire Wire Line
        9600 3400 9750 3400
Wire Wire Line
        9600 3550 9600 3400
Wire Wire Line
        9750 2700 9650 2700
Wire Wire Line
        9350 2600 9250 2600
Wire Wire Line
        6950 4400 7150 4400
Wire Wire Line
        6950 3950 6950 4000
Connection ~ 5850 4800
Wire Wire Line
        5750 4800 6150 4800
Connection ~ 5850 5200
Wire Wire Line
        5400 5200 6150 5200
Wire Wire Line
        9750 2100 9750 2300
Wire Wire Line
        9250 2100 9750 2100
Wire Wire Line
        3450 4950 3350 4950
Wire Wire Line
        4150 4950 4250 4950
Wire Wire Line
        3800 5300 3800 5400
Wire Wire Line
        9350 3950 9250 3950
Wire Wire Line
        9250 3850 9350 3850
Wire Wire Line
        9350 3750 9250 3750
Wire Wire Line
        9250 3650 9600 3650
Wire Wire Line
        9250 3550 9600 3550
Wire Wire Line
        9350 3450 9250 3450
Wire Wire Line
        7350 4050 7450 4050
Wire Wire Line
        6950 3950 7450 3950
Wire Wire Line
        7350 3850 7450 3850
Wire Wire Line
        7450 3750 7350 3750
Wire Wire Line
        7350 3650 7450 3650
Wire Wire Line
        7350 3550 7450 3550
Wire Wire Line
        7450 3450 7350 3450
Wire Wire Line
        9350 2500 9250 2500
Wire Wire Line
        9250 2400 9350 2400
Wire Wire Line
        9350 2300 9250 2300
Wire Wire Line
        9250 2200 9350 2200
Wire Wire Line
        9250 2000 9350 2000
Wire Wire Line
        9250 1900 9450 1900
Wire Wire Line
        7350 2600 7450 2600
Wire Wire Line
        7450 2500 7350 2500
Wire Wire Line
        7350 2400 7450 2400
Wire Wire Line
        7450 2300 7350 2300
Wire Wire Line
        7350 2200 7450 2200
Wire Wire Line
        7450 2100 7350 2100
Wire Wire Line
        7350 2000 7450 2000
Wire Wire Line
        7450 1900 7350 1900
Wire Wire Line
        1700 6600 1600 6600
Wire Wire Line
        1700 6800 1600 6800
Wire Wire Line
        9350 2000 9350 1900
Connection ~ 9350 1900
Wire Wire Line
        7350 5450 7450 5450
Wire Wire Line
        7350 5550 7450 5550
Wire Wire Line
        7350 5650 7450 5650
Wire Wire Line
        7350 5750 7450 5750
Wire Wire Line
        7350 5850 7450 5850
Wire Wire Line
        7350 5950 7450 5950
Wire Wire Line
        7350 6050 7450 6050
Wire Wire Line
        7350 6150 7450 6150
Wire Wire Line
        7350 6250 7450 6250
Wire Wire Line
        7350 6350 7450 6350
Wire Wire Line
        9250 5450 9350 5450
Wire Wire Line
        9250 5550 9350 5550
Wire Wire Line
        9250 5650 9350 5650
Wire Wire Line
        9250 5750 9350 5750
Wire Wire Line
        9250 6050 9350 6050
Wire Wire Line
        9250 6150 9350 6150
Wire Wire Line
        9250 6250 9350 6250
Wire Wire Line
        9250 6350 9350 6350
Wire Wire Line
        1950 4950 1850 4950
Wire Wire Line
        1950 5050 1850 5050
Wire Wire Line
        1950 5150 1850 5150
Wire Wire Line
        1950 5250 1850 5250
Wire Wire Line
        1950 5350 1850 5350
Wire Wire Line
        1950 5450 1850 5450
Wire Wire Line
        5650 5600 5650 5800
Wire Wire Line
        6250 5600 6250 5800
Wire Wire Line
        5650 6200 6250 6200
Connection ~ 5650 5700
Connection ~ 6250 5700
Connection ~ 5500 5200
Wire Wire Line
        5400 4800 5500 4800
Wire Wire Line
        3200 6000 3300 6000
Wire Wire Line
        2950 6100 3300 6100
Wire Wire Line
        3200 6200 3300 6200
Wire Wire Line
        3200 6300 3300 6300
Wire Wire Line
        4600 6000 4700 6000
Wire Wire Line
        4600 6100 4700 6100
Wire Wire Line
        4600 6200 4700 6200
Wire Wire Line
        4600 6300 4700 6300
Wire Wire Line
        5500 4050 5600 4050
Wire Wire Line
        5500 4250 5600 4250
Wire Wire Line
        6100 4050 6100 4250
Wire Wire Line
        6100 4150 6200 4150
Connection ~ 6100 4150
Wire Wire Line
        2350 6100 2450 6100
Wire Wire Line
        2950 6100 2950 6250
Wire Wire Line
        2950 6650 3000 6650
Wire Wire Line
        9250 5850 9350 5850
Wire Wire Line
        9250 5950 9350 5950
Wire Wire Line
        3350 3200 3350 3300
Wire Wire Line
        3850 3200 3850 3300
Wire Wire Line
        4550 2600 4650 2600
Wire Wire Line
        4550 2500 4650 2500
Wire Wire Line
        4550 2400 4650 2400
Wire Wire Line
        4550 2300 4650 2300
Wire Wire Line
        2550 2500 2650 2500
Wire Wire Line
        2550 2600 2650 2600
Wire Wire Line
        2550 1900 2650 1900
Wire Wire Line
        2550 1500 2650 1500
Wire Wire Line
        4550 2100 4650 2100
Wire Wire Line
        4550 2200 4650 2200
Wire Wire Line
        2650 2100 2550 2100
Wire Wire Line
        2650 2200 2550 2200
Wire Wire Line
        2650 2300 2550 2300
Wire Wire Line
        2650 2400 2550 2400
Wire Wire Line
        4550 1500 4650 1500
Wire Wire Line
        4550 1600 4650 1600
Wire Wire Line
        2650 1600 2550 1600
Wire Wire Line
        2650 1700 2550 1700
Wire Wire Line
        2650 1800 2550 1800
Wire Wire Line
        2650 2000 2550 2000
Wire Wire Line
        4550 1700 4650 1700
Wire Wire Line
        4550 1800 4650 1800
Wire Wire Line
        4550 1900 4650 1900
Wire Wire Line
        4550 2000 4650 2000
Wire Wire Line
        3250 3200 3250 3300
Wire Wire Line
        3950 3200 3950 3300
Wire Wire Line
        3450 3200 3450 3300
Wire Wire Line
        3550 3200 3550 3300
Wire Wire Line
        3650 3200 3650 3300
Wire Wire Line
        3750 3200 3750 3300
Wire Wire Line
        5300 6750 5400 6750
Wire Wire Line
        6450 6600 6350 6600
Wire Wire Line
        6350 6750 6450 6750
Wire Wire Line
        6350 6900 6450 6900
$Comp
L CONN_1 P3
U 1 1 521D1731
P 3100 3900
F 0 "P3" H 3180 3900 40  0000 L CNN
F 1 "CONN_1" H 3100 3955 30  0001 C CNN
F 2 "" H 3100 3900 60  0000 C CNN
F 3 "" H 3100 3900 60  0000 C CNN
        1    3100 3900
        -1   0    0    1   
$EndComp
$Comp
L CONN_1 P4
U 1 1 521D1748
P 3100 4000
F 0 "P4" H 3180 4000 40  0000 L CNN
F 1 "CONN_1" H 3100 4055 30  0001 C CNN
F 2 "" H 3100 4000 60  0000 C CNN
F 3 "" H 3100 4000 60  0000 C CNN
        1    3100 4000
        -1   0    0    1   
$EndComp
Text Label 3250 4100 0    60   ~ 0
SCL
Text Label 3250 4200 0    60   ~ 0
SDA
Text Label 3250 3900 0    60   ~ 0
UART_RX
Text Label 3250 4000 0    60   ~ 0
UART_TX
$Comp
L CONN_1 P5
U 1 1 521D188E
P 3100 4100
F 0 "P5" H 3180 4100 40  0000 L CNN
F 1 "CONN_1" H 3100 4155 30  0001 C CNN
F 2 "" H 3100 4100 60  0000 C CNN
F 3 "" H 3100 4100 60  0000 C CNN
        1    3100 4100
        -1   0    0    1   
$EndComp
$Comp
L CONN_1 P6
U 1 1 521D1894
P 3100 4200
F 0 "P6" H 3180 4200 40  0000 L CNN
F 1 "CONN_1" H 3100 4255 30  0001 C CNN
F 2 "" H 3100 4200 60  0000 C CNN
F 3 "" H 3100 4200 60  0000 C CNN
        1    3100 4200
        -1   0    0    1   
$EndComp
Text Notes 5650 1100 0    60   ~ 0
Note for revision D:\n- Connect PIO2 to processor\n- Connect LEDs to PWM pins
$EndSCHEMATC