5V Wireless Relay Module for ESP8266

5V Wireless Relay Module for ESP8266

You can easily use the ESP8266 5V 1-Channel WiFi Relay Module in all your IoT projects, especially smart home/parking/greenhouse/agriculture, and more. ESP8266 is a module that can connect to a wireless internet network via serial communication. This module can connect to Wi-Fi networks in your environment and also allows other devices to connect to this network. You can control this relay with all your smart devices. The communication range is up to 400 meters.

5V Wireless Relay Module for ESP8266 Technical Specifications:

• Built-in Module: ESP8266 WiFi module; can connect up to 5 clients simultaneously in AP mode.

• The relay can be controlled via the WiFi module with a mobile phone and app.

• Diode effusion protection is available.

• Short response time.

Quick Start:

• Connect the module to a 5V power adapter.

• Enter your home Wi-Fi information from the module’s setup screen using your phone.

• Control the connected device by tapping the on/off button from your phone.

Use Cases / Examples:

• Turning lights, outlets, or other electrical devices on/off remotely in smart home projects

• Wirelessly controlling irrigation systems at specific times

• Device control via phone or computer over Wi-Fi with ESP8266

• Integration with Google Home, Alexa, or MQTT-based systems

• Controlling motors or different loads in hobby robot projects

Pin Diagram and Connection Descriptions:

• VCC: 5V supply voltage input.

• GND: Ground line (negative pole) connection.

• TX / RX: Serial communication pins with the ESP-01 module.

• CH_PD / EN: Used to enable the ESP-01 module.

• Relay Output: Terminals NO (Normally Open), NC (Normally Closed), and COM (Common) are provided for controlling the connected device.

Resources and Documents:

• GitHub Documentation
• IoT Projects

Compatible Products:

• NodeMCU / ESP Development Boards
• ESP8266

Similar Products:

• Relay / MOSFET Board Models