gpio readall # 01/25/18 pi58 MAC= :58 +-----+-----+---------+------+---+- Pi ZeroW -+---+------+---------+-----+-----+ | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM | +-----+-----+---------+------+---+----+ +----+---+------+---------+-----+-----+ | | | 3.3v | | | 1 | | 2 | | | 5v | | | | 2 | 8 | SDA.1 | IN | 1 | 3 | | 4 | | | 5v | | | | 3 | 9 | SCL.1 | IN | 1 | 5 | | 6 | | | 0v | | | | 4 | 7 | GPIO. 7 | IN | 1 | 7 | | 8 | 0 | IN | TxD | 15 | 14 | | | | 0v | | | 9 | | 10 | 1 | IN | RxD | 16 | 15 | | 17 | 0 | GPIO. 0 | IN | 0 | 11 | | 12 | 0 | IN | GPIO. 1 | 1 | 18 | | 27 | 2 | GPIO. 2 | IN | 0 | 13 | | 14 | | | 0v | | | | 22 | 3 | GPIO. 3 | IN | 0 | 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 | | 0 | 30 | SDA.0 | IN | 1 | 27 | | 28 | 1 | IN | SCL.0 | 31 | 1 | | 5 | 21 | GPIO.21 | IN | 1 | 29 | | 30 | | | 0v | | | | 6 | 22 | GPIO.22 | IN | 1 | 31 | | 32 | 0 | IN | GPIO.26 | 26 | 12 | | 13 | 23 | GPIO.23 | IN | 0 | 33 | | 34 | | | 0v | | | | 19 | 24 | GPIO.24 | IN | 0 | 35 | | 36 | 0 | IN | GPIO.27 | 27 | 16 | | 26 | 25 | GPIO.25 | IN | 0 | 37 | | 38 | 0 | IN | GPIO.28 | 28 | 20 | | | | 0v | | | 39 | | 40 | 0 | IN | GPIO.29 | 29 | 21 | +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+ | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM | +-----+-----+---------+------+---+-Pi ZeroW-+---+------+---------+-----+-----+