Function pending:
1. Onboard mature and stable ESP-12F WIFI module, large capacity 4M BYTE FLASH;
2. The I/O port of the WIFI module and the UART program download port are all led out to facilitate secondary development;
3. Onboard AC-DC switching power supply module, power supply mode supports AC90-250V/DC7-30V/5v;
4. Onboard WIFI module RST reset button;
5. ESP-12F supports the use of development tools such as ECLIPSE/ARDUINO IDE, and provides ARDUINO
Reference program in the development environment;
6. Onboard 4 5V relays, output switch signal, suitable for controlling the working voltage of AC
Load within 250V/Dc30V;
7. On-board power indicator, 1 programmable LED and relay indicator. 














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