SEENGREAT Serial Expansion Module for Raspberry pi Zero/Zero W/Zero WH/2B/3B/3B+/4B,SC16IS752 Slide Switch 2 Channels UART 8 GPIOs I2C Interface Stackable to 16 Modules up to 32 Channel

Produktbeschreibung
Serial expansion module is onboard SC16IS752 chip, can expand 2 serial ports and 8 programmable IO through I2C, does not occupy extra pins Reserve I2C control interface for easy access to other main control boards. The settings of I2C address and the selection of interrupt pins are designed with DIP switch, convenient for users to set By changing the address jumper, 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 Based on 40P connector design for Raspberry Pi , suitable for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B