Copter Arduino Pins

	A	B	C	E	F	G
1	ArduCopter APM1 Function	Arduino Mega PIN	ATmega1280 Port/Function	ATmega1280 Port/Function	Arduino Mega PIN	ArduCopter APM1 Function
2	Compiled by				AREF	Sensor AREF
3	Steven Harsanyi				GND
4	Original AeroQuad			PB7	D/PWM 13
5	document created by			PB6	D/PWM 12
6	Bill Faulkner	RESET		PB5	D/PWM 11
7		3.3V		PB4	D/PWM 10
8		5V		PH6	D/PWM 09
9		GND		PH5	D/PWM 08
10		GND
11		Vin		PH4	D/PWM 07
12				PH3	D/PWM 06
13	Voltage Sensor	A 00	PF0	PE3	D/PWM 05
14	Current Sensor	A 01	PF1	PG5	D/PWM 04
15	Red Led	A 02	PF2	PE4 INT4	D/PWM 03
16	Green Led	A 03	PF3	PE5 INT5	D/PWM 02
17	Blue Led	A 04	PF4	PE0 INT8	TX 01	USB interface - 115200 baud
18	Piezo Buzzer	A 05	PF5	PE1 INT	RX 02	USB interface - 115200 baud
19		A 06	PF6
20		A 07	PF7	PJ0 INT10	TX3 14	GPS - 38400 Baud
21				PJ1 INT9	RX3 15	GPS - 38400 Baud
22		A 08	PK0 INT16	PH1	TX2 16	ADC_ADS7844 SPI Serial 2
23		A 09	PK1 INT17	PH0	RX2 17	ADC_ADS7844 SPI Serial 2
24		A 10	PK2 INT18	PD3 INT3	TX1 18
25		A 11	PK3 INT19	PD2 INT2	RX1 19
26		A 12	PK4 INT20	PD1 I2C EINT1	SDA 20
27		A 13	PK5 INT21	PD0 I2C EINT0	SCL 21
28		A 14	PK6 INT22	PE6 T3 INT6		DIP2 Switch
29		A 15	PK7 INT23	PE7 CLKO ICP3 INT7		DIP1 Switch
30
31
32		Arduino Mega Expansion PINs
33
34		D22	PA0 A/D0	PA1 A/D1	D23
35		D24	PA2 A/D2	PA3 A/D3	D25
36		D26	PA4 A/D4	PA5 A/D5	D27
37		D28	PA6 A/D6	PA7 A/D7	D29
38		D30	PC7 A/15	PC6 A/14	D31
39		D32	PC5 A/13	PC4 A/12	D33
40		D34	PC3 A/11	PC2 A/10	D35	LED C Red
41	LED B Yellow	D36	PC1 A/09	PC0 A/08	D37	LED A Green
42		D38	PD7 T0	PG2 ALE	D39
43		D40	PG1 !RD	PG0 !WR	D41	SW1 switch
44	DIP4 Switch	D42	PL7	PL6	D43	DIP3 Switch
45		D44	PL5 OC5C	PL4 OC5B	D45
46		D46	PL3 OC5A	PL2 T5	D47	Relay
47		D48	PL1 ICP5	PL0 ICP4	D49	PPMSUM IN
48		D50	PB3 MISO INT3	PB2 MOSI INT2	D51
49		D52	PB1 SCK INT1	PB0 SS INT0	D53
50
51
52		Arduino Mega ISCP
53
54		also D50	PB3 MISO	'+5V	'+5V
55		also D52	PB1 SCK	PB2 MOSI	also D51
56		RESET	RESET	GND	GND
57