ESP8266 ESP-01S WiFi Relay Module (Wireless IoT Relay Switch)
The ESP8266 ESP-01S WiFi Relay Module is a compact wireless relay control board that combines an ESP8266 ESP-01S WiFi module with a relay switching circuit. It allows remote ON/OFF control of connected electrical loads through a 2.4GHz WiFi network, making it suitable for IoT and home automation applications.
The module can be used with smart lighting, appliance control, remote switching, automation systems, and DIY IoT projects. It supports ESP8266 programming and can be integrated with web interfaces, mobile applications, or custom automation systems.
Key Features -
• ESP8266 ESP-01S WiFi module
• Built-in relay switching circuit
• Wireless control through 2.4GHz WiFi
• Supports ESP8266 AT commands and custom firmware
• Compact PCB module design
• Suitable for IoT and home automation
• Remote ON/OFF load control
• Easy integration with ESP8266 projects
Specifications -
• Product Type = ESP8266 WiFi Relay Module
• WiFi Module = ESP-01S / ESP8266
• WiFi Standard = IEEE 802.11 b/g/n
• Operating Voltage = 5V DC module supply
• Logic Voltage = 3.3V
• Relay Type = Electromechanical Relay
• Relay Contact Rating = Typically 10A 250V AC / 10A 30V DC
• Communication = 2.4GHz WiFi
• Control Method = WiFi / ESP8266 GPIO
• Mounting Type = PCB Module
Applications -
• WiFi home automation
• Smart light control
• Appliance switching
• IoT relay control
• Remote power switching
• ESP8266 projects
• Wireless automation systems
• DIY smart home projects
• Internet-connected control systems