STC15F204 interface driver board development board for NRF905 wireless interfac

1.On board STC15F204EA microcontroller chips, the single chip processor as the 5 v power supply.

2.On board for NRF905 wireless module 2 * 7 parent interface.

3.On board UART interface, used to implement the serial communication.

4.On board 5 V to 3.3 V AMS1117-3.3 chip.

5.All lead to spare I/O, and mark the I/O name.

6.PCB size: 32.1 (mm) x21.8 (mm).