Raspberry Pi Model B1 GPIO

https://www.raspberrypi.org/

BCM	wPi	Name	Mode	V	Physical	Physical	V	Mode	Name	wPi	BCM
		3.3v			1	2			5v
0	8	SDA.1	IN	1	3	4			5V
1	9	SCL.1	IN	1	5	6			0v
4	7	GPIO. 7	IN	1	7	8	1	ALT0	TxD	15	14
		0v			9	10	1	ALT0	RxD	16	15
17	0	GPIO. 0	OUT	0	11	12	0	IN	GPIO. 1	1	18
21	2	GPIO. 2	OUT	0	13	14			0v
22	3	GPIO. 3	OUT	1	15	16	0	IN	GPIO. 4	4	23
		3.3v			17	18	0	IN	GPIO. 5	5	24
10	12	MOSI	IN	0	19	20			0v
9	13	MISO	IN	0	21	22	0	IN	GPIO. 6	6	25
11	14	SCLK	IN	0	23	24	1	IN	CE0	10	8
		0v			25	26	1	IN	CE1	11	7