Based on Raspberry Pi 40P connector design, suitable for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B, using SC16IS752 chip solution, it can expand two serial ports and 8 GPIOs at the same time. The settings of I2C address and the selection of interrupt pins are designed with DIP switch, convenient for users to set.
- Onboard SC16IS752, can expand 2 serial ports and 8 programmable IO through I2C, does not occupy extra pins
- By changing the address of DIP switch, up to 16 modules can be connected at the same time, that is, 32 serial ports can be expanded；
- Multiple onboard indicators, easy to check the working status of the extended serial port；
- Reserve I2C control interface for accessing to other main control boards easily.
|3.3V or 5V
The Serial Expansion Module leads out all the I2C address lines, and can set the addresses of A0 and A1 through the DIP switch. In addition, there are 6 interrupt pins, which can stack up to 16 Serial Expansion Modules. The demo codes we provide is to set the address to 0x48, setting the interrupt pin to P5 (BCM).
- SG-SE-E752 Module x 1
- PH2.54mm 6Pin wire x 2
- Copper pillars x 2
- Screws nut x 3
- Screws x 3