Banana Pi I2C GPIO extend board
The Serial Port module is specifically designed for Banana Pi. The module use
Maxim MAX232 chip and DB9 port. So the user don?t need to connect Dupont Line and that avoid wrong wiring. User can use this module to debug Banana Pi easily.
Maxim MAX232, DB9 Port, Working voltage = 5V, Two Drivers and Two Receivers, Operates Up To 120 kbit/s, Low Supply Current . . . 8 mA Typical.