ESP8266 single-channel relay development board is equipped with ESP-12F WiFi module, I/O ports are fully led out, and various power supply modes such as AC90-250V/DC7-12V/USB 5V are supported. Provide Arduino development environment reference code, suitable for ESP8266 secondary development learning, smart home wireless control and other occasions.

Onboard 1 5V relay, output switch signal, suitable for controlling and controlling loads with working voltage within AC 250V/DC30V; Onboard power indicator, 1 programmable LED and relay indicator. ESP-12F support the use of development tools such as Eclipse/Arduino IDE to provide reference programs in Arduino development environments. Onboard AC-DC switching power supply module, power supply mode supports AC90-250V/DC7-12V/USB5V; RST reset key of onboard WiFi module. The I/O port of WiFi module and UART program download port are all led out, which is convenient for secondary development. On-board mature and stable ESP-12F WiFi module with large capacity of 4M Byte Flash.