ESP8266 ESP-12F Relay Module
The ESP8266 ESP-12F Relay Module is a WiFi enabled control board that combines the ESP-12F wireless microcontroller with a built-in relay driver. It allows remote switching of AC or DC loads over WiFi using AT commands or custom firmware. The module supports seamless integration with IoT platforms and smart automation systems.
This relay module is suitable for smart home lighting and appliance control, remote power switching, IoT device projects, and embedded wireless control applications. Its compact design, WiFi connectivity, and relay output make it ideal for automation with smartphone apps or cloud based services.
KEY FEATURES
- Integrated ESP8266 ESP-12F WiFi controller
- Built-in relay output for load switching
- Wireless control via WiFi
- Supports AT commands and custom firmware
- Compact PCB module design
- Works with 3.3V/5V power supply depending on module
- Suitable for IoT and automation projects
- Easy microcontroller interfacing
SPECIFICATIONS
- WiFi Chip = ESP8266 ESP-12F
- WiFi Standard = IEEE 802.11 b/g/n
- Operating Voltage = 3.3V DC (relay driver may use 5V)
- Relay Rating = Typical relay 10A/250VAC or 10A/30VDC
- Communication = WiFi 2.4GHz
- GPIO = ESP8266 general purpose IOs
- Mounting Type = PCB module
INTERFACES
- VCC = Power supply positive
- GND = Ground
- TX = UART transmit
- RX = UART receive
- EN = Enable/boot control
- GPIO0 = General IO / flash mode
- RELAY COM = Relay common contact
- RELAY NO = Relay normally open contact
- RELAY NC = Relay normally closed contact