+-----+---------+------+----+--B Plus--+----+------+---------+-----+ | wPi | Name | Mode | Val| Physical |Val | Mode | Name | wPi | +-----+---------+------+----+----++----+----+------+---------+-----+ | | 3.3v | | | 1 || 2 | | | 5v | | | 8 | SDA.1 | IN | Hi | 3 || 4 | | | 5V | | | 9 | SCL.1 | IN | Hi | 5 || 6 | | | 0v | | | 7 | GPIO. 7 | IN | Lo | 7 || 8 | Hi | ALT0 | TxD | 15 | | | 0v | | | 9 || 10 | Hi | ALT0 | RxD | 16 | | 0 | GPIO. 0 | IN | Lo | 11 || 12 | Lo | IN | GPIO. 1 | 1 | | 2 | GPIO. 2 | IN | Lo | 13 || 14 | | | 0v | | | 3 | GPIO. 3 | IN | Lo | 15 || 16 | Lo | IN | GPIO. 4 | 4 | | | 3.3v | | | 17 || 18 | Lo | IN | GPIO. 5 | 5 | | 12 | MOSI | IN | Lo | 19 || 20 | | | 0v | | | 13 | MISO | IN | Lo | 21 || 22 | Lo | IN | GPIO. 6 | 6 | | 14 | SCLK | IN | Lo | 23 || 24 | Lo | IN | CE0 | 10 | | | 0v | | | 25 || 26 | Lo | IN | CE1 | 11 | | 30 | SDA.0 | IN | Lo | 27 || 28 | Lo | IN | SCL0 | 31 | | 21 | GPIO.21 | IN | Lo | 29 || 30 | | | 0v | | | 22 | GPIO.22 | IN | Lo | 31 || 32 | Lo | IN | GPIO.26 | 26 | | 23 | GPIO.23 | IN | Lo | 33 || 34 | | | 0v | | | 24 | GPIO.24 | IN | Lo | 35 || 36 | Lo | IN | GPIO.27 | 27 | | 25 | GPIO.25 | IN | Lo | 37 || 38 | Lo | IN | GPIO.28 | 28 | | | 0v | | | 39 || 40 | Lo | IN | GPIO.29 | 29 | +-----+---------+------+----+----++----+----+------+---------+-----+