What’s on the BLE400
- Wireless module connector: for easily connecting modules like Core51822
- MCU pins expansion connector
- I2C interface
- SPI interface
- 5V/3.3V power input/output: usually used as power output, also common-grounding with other user board
- USB connector: USB TO UART via onboard convertor CP2102
- Debugging interface
- UART interface
- Battery holder
- User LEDs
- User keys
- Reset button
- CP2102
- USB TO UART jumper
- LEDs & Keys jumper
BLE400 Dimension
Note: module and accessories in the photos are NOT included in the price.
Downloads
Development resources: demo codes, schematic, datasheets, etc.
Wiki: www.waveshare.com/wiki/BLE400