Specifications

3
3.Interface
Pin No.
Pin name Comment Note
1 VIN RF Module Supply Voltage Input 2.0V-3.6V
2 GIO2 General Purpose I/O 2
3 GIO1 General Purpose I/O 1
4 SDIO SPI Data I/O
5 SCK SPI Clock
6 SCS SPI Chip Selection
7 GND Ground
8 GND Ground
9 GND Ground