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The ESP8266 12V 4 Channel WiFi Relay Module is a smart relay board with wireless Wi-Fi control, based on the popular ESP8266 chip.
It features 4 independent relays (10 A / 250 V AC or 10 A / 30 V DC) that can control lighting, motors, sockets, or other electrical devices via Wi-Fi.
It supports operation through an app (HTTP, TCP/IP, or local web interface) and is compatible with Arduino, NodeMCU, and Home Assistant for automation projects.
The 12 V DC power supply ensures stable operation, while the board integrates optical isolation (optocouplers) and overvoltage protection for safety.
Ideal for smart homes, DIY automation, IoT applications, and any project requiring remote control of multiple loads.
