![STC15F204 + NRF905 wireless interface wireless driver board development board STC15F204 + NRF905 wireless interface wireless driver board development board](https://www.bifelectronic.com/2547-large_default/stc15f204-interface-driver-board-development-board-for-nrf905-wireless-interface.jpg)
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).