Generic ESP8266 WiFi Relay Module

The ESP8266 WiFi Relay Module is a network-enabled relay board designed for remote control of electrical loads over a 2.4 GHz Wi-Fi network. It integrates an ESP8266 wireless MCU with a single-channel relay and on-board power regulation. The module supports 3.3 V logic and can be controlled using custom firmware or standard IoT platforms. It is compatible with Arduino IDE and ESP8266 SDK environments. Typical applications include smart switches, home automation, remote equipment control, and IoT-based power management.

• ESP8266 MCU: Integrated Wi-Fi microcontroller for network control

• Wireless Interface: 2.4 GHz Wi-Fi 802.11 b/g/n

• Relay Channel: Single-channel electromechanical relay output

• Control Interface: GPIO-based relay control logic

• Power Regulation: On-board voltage regulation circuitry

• Firmware Support: Compatible with Arduino IDE and ESP8266 SDK

• Status Indicators: On-board LEDs for power and relay state

• Product Type | Function: WiFi-controlled relay module

• Controller | MCU: ESP8266

• Wireless Standard | Band: Wi-Fi 802.11 b/g/n | 2.4 GHz

• Operating Voltage | Logic: 3.3 V DC

• Input Voltage | Supply: 5–12 V DC (board dependent)

• Relay Type | Channels: Electromechanical | 1 channel

• Relay Contact Rating | Load: Up to 10 A at 250 V AC or 30 V DC

• Control Interface | Method: GPIO digital control

• Programming Interface | Support: UART via external USB-to-serial

• Operating Temperature | Range: −20 to +70 °C

• 3D Model
• Datasheet

• Wreless Light Bulb Control with Wifi Relay Module