The Okdo TelePort expansion board with a SPI communication port compatible with control boards of OKDO series. The power port and digital interface are extended as the 2.54mm pitch pin headers and wiring terminals, which can achieve the serial communication, I2C communication and IO ports signals control. It has a DIP switch. When the DIP switch is turned to 0, SS pin is grounded and this board can’t control serial communication and I2C communication when the DIP switch is turned to 1, SS pin suspends and the control board can control levels of SS pin. Compatible with RJ11 6P6C OKdo TelePort Control boards and expansion shields
Break out serial port, IIC and single IO pin signal control
Slide switch to enable or disable serial ports