ESP8266 ESP-01 5V WiFi Relay Module

ESP8266 ESP-01 5Volt WiFi Relay Module (1CH / 2CH / 4CH)

The ESP8266 ESP-01 5V WiFi Relay Module is a versatile and compact module designed for wireless control of electrical devices through Wi-Fi. With support for 1, 2, or 4 relay channels, this module is ideal for smart home automation, IoT projects, and remote device control.

Using the powerful ESP8266 Wi-Fi SoC, this module allows users to control lights, fans, motors, and other appliances remotely through a smartphone or local network connection. It supports multiple communication modes, including TCP/UDP via serial AT commands, and integrates seamlessly with microcontrollers like Arduino, NodeMCU, and Raspberry Pi.

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Features

• Available in 1CH, 2CH, and 4CH Variants for flexible control

• Wi-Fi Control via ESP8266 ESP-01 Module

• Supports AP, STA, and AP+STA Modes

• 5V Logic Compatible, easily interfaces with Arduino and other microcontrollers

• High-quality SRD-05VDC-SL-C Relays for stable operation

• Optocoupler Isolation ensures safe and reliable signal control

• Compact design for easy integration in DIY and professional setups

• Supports custom firmware for advanced automation and IoT applications

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Technical Specifications

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Applications

• Smart home automation

• IoT device control

• Remote relay switching

• DIY Wi-Fi-controlled appliances

• Lighting, fan, and motor automation

• Wireless control for industrial systems