% ₹ -220.00
ESP 8266 WIFI COMPATIBLE 5V 1 CHANNEL REALY MODULE
ESP 8266 WIFI COMPATIBLE 5V 1 CHANNEL REALY MODULE
ESP 8266 WIFI COMPATIBLE 5V 1 CHANNEL REALY MODULE
ESP 8266 WIFI COMPATIBLE 5V 1 CHANNEL REALY MODULE
TOMSON ELECTRONICS

ESP 8266 WIFI COMPATIBLE 5V 1 CHANNEL REALY MODULE

Product SKU: RLM-27381
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  • Description
  • Specifications
  • Applications
  • Usage Notes

The ESP8266 WiFi 5V 1-Channel Relay Module integrates an ESP8266-based Wi-Fi controller with a single high-current relay, allowing remote switching of 5V-powered loads via HTTP/MQTT or mobile/web apps. Ideal for home automation, IoT prototypes, and remote control projects, this compact module provides reliable relay switching, easy Wi-Fi setup, and flexible control options for lights, pumps, fans, and small appliances.

  • Control: ESP8266 microcontroller (Wi-Fi enabled)
  • Operating Voltage: 5V DC
  • Relay: 1 × SPDT (or SPST depending on variant) electromechanical relay
  • Relay Rating: typically 10A @ 250VAC / 10A @ 30VDC (check module label)
  • Logic Level: 5V input for VCC, control via ESP8266 GPIO
  • Interfaces: Wi-Fi (802.11 b/g/n), GPIO control pin, screw terminal for relay output
  • Indicators: Power and relay status LEDs
  • Protection: Optocoupler and flyback diode on many variants (confirm board)
  • Dimensions: Compact PCB module (varies by manufacturer)
  • Home automation — remotely control lights, fans, and appliances
  • IoT switch for pumps, valves, and small motors
  • Smart plugs and Wi-Fi controlled power outlets (with proper enclosure)
  • Prototyping and remote control projects using HTTP/MQTT
  • Supply stable 5V DC and ensure the power source can deliver relay inrush current.
  • Observe relay current and voltage ratings—use a suitably rated relay for mains loads and follow safety regulations.
  • Isolate mains wiring and enclose module in an insulated housing when switching AC mains.
  • Configure Wi-Fi credentials and security (use strong passwords and secure MQTT/HTTPS where possible).
  • Some modules require level shifting or jumper selection for safe programming; consult board silkscreen.

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