Features:
- Dimension: 65mm x 56.5mm, standard dimension of Raspberry Pi HAT Expansion Board
- With Power Indication LED
- IR receive function
- GPIO expansion function:
- GPIO extended function:
1. Up to 16 independently with power and ground GPIO (3.3V level), and provide a corresponding relationship table, at a glance
2. Two independent SPI extended interface with 1 I2C extended interface
3. One RS232 standard serial port, can be directly connected to the PC etc.