ESP8266 Wi-Fi Module with 5V Relay Supports Android Remote Control

The ESP8266 Wi-Fi Relay Board is a 220V one-way WiFi relay module for remote relay control through a local area network (LAN). It carries an ESP8266 WiFi module and a mature 8 bit MCU, along with a professional switching power supply circuit. The module can be controlled by a cell phone APP within the LAN. It is designed for easy setup and includes clear status indicators for operation and connection states.

Features of ESP8266 Wi-Fi Relay Board - AC 85V-264V, 80x50x22mm

• LAN-based remote control
• ESP8266 WiFi module
• 8 bit MCU
• Professional switching power supply circuit
• Easy setup
• Work mode button
• Factory reset support
• Relay status indicators
• Mode indicators

Specifications of ESP8266 Wi-Fi Relay Board - AC 85V-264V, 80x50x22mm

• Product Name: AC 220V WIFI Relay Switch Remote Control Module
• Product Number: ESP8266 Relay Board
• Working Voltage: AC 85V-264V
• Work Temperature: -20℃~85℃
• Work Humidity: 0%~95%RH
• Size: 80*50*22mm
• L: AC input terminal
• N: AC input terminal
• Button: Used to switch work mode (default mode 1) and restore factory settings
• Button: Short press to switch mode
• Button: Long press to restore
• LED0: Red relay work indicator
• LED1: Green working status indicator
• LED OFF: Automatic configuration or disconnected from the router
• Flashes 0.5s: Waiting to configure the WIFI account and password by the APP on the phone
• Flashes 2s: Configuration complete, waiting for a TCP connection with the mobile phone
• LED ON: Successfully establishes a TCP connection with the mobile phone
• LED2: Blue mode 2 indicator
• LED3: Red mode 1 indicator
• COM: Public port from the relay
• NC: Normal Close
• NC: Connects to COM by default status
• NC: Hanging when relay working
• NO: Normal Open
• NO: Disconnects to COM by default
• NO: Connects to COM when relay work
• Relay control command (Hexadecimal): Turn ON relay: A0 01 01 A2
• Relay control command (Hexadecimal): Turn OFF relay: A0 01 00 A1

How to Use ESP8266 Wi-Fi Relay Board - AC 85V-264V, 80x50x22mm

1. Connect the AC input terminals L and N.
2. Use the button to switch work mode if needed.
3. Use the button to restore factory settings when required.
4. Configure the module through the phone APP on the local network.
5. Use the relay control command to turn the relay on or off.

More Info

• One-way WiFi relay module
• Designed for cell phone APP control within LAN
• Includes relay work and working status indicators