This is RS232 expansion HAT designed for Raspberry Pi 3B / 2B / B +  It is easy to control the 2-channel RS232 via SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation. The HATs design is based on the old Raspberry Pi B serial expansion board.
This GPIO UART shield comes with Two independent SPI extended interface which is I2C extended interface and RS232 standard serial port which can be directly connected to the PC etc. Additionally, you will get the onboard IR receiver for remote control access.
Features:
- Onboard Power Indicator Lamp
- Onboard Infrared Receiving Function
- GPIO Expansion Function:
- 16 independent GPIO with power and ground (3.3V level)
- 2 Independent SPI expansion interface and 1 I2C expansion interface
- 1 standard RS232 serial port: can directly connect with PC etc.
Package Includes:
1 x Raspberry Pi GPIO UART HAT / Shield V1.0