Skip to content
Web Remotes

DIY Relay Projects

Starter projects for ESP32 and ESP8266 makers. Pick a remote, copy our code, flash your board and control a relay in minutes.

  • Free to use
  • No sign up
  • Works in your browser

Web 4-Channel Relay Remote

Control a 4-channel relay module from your phone with an ESP32 or ESP8266. Our free code gets you running in minutes.

Free · No sign up

Web 8-Channel Relay Remote

Control an 8-channel relay board from your browser. Switch each relay or all at once, with ready ESP32 code.

Free · No sign up

Web Temperature-Based Fan Controller

Make a fan that turns on when it gets hot. Watch the temperature, set your limit and let the ESP32 run the fan by itself.

Free · No sign up

Web Timer-Based Pump Controller

Run a pump on a timer and daily schedule. Perfect for garden watering, overhead tank filling and plant pots.

Free · No sign up

Web Universal IoT Remote Dashboard

One dashboard with every kind of control: switches, slider, colour, modes, buttons, two sensors and a text message. Use it for any project.

Free · No sign up

No tool matches “”

Try a shorter word, or look in the other groups.

Keep exploring

Other groups in Web Remotes

Home Appliance Remotes Web remotes for AC, TV, fan, lights, heater, cooler, purifier and more. Home Automation Dashboards to control whole rooms, all lights, all fans, relays and timers. Garden & Farm Remotes Remotes for irrigation, drip, sprinklers, borewell pumps, greenhouses and farm gates. Garage & Workshop Garage doors, compressors, motors, actuators, servos, steppers and relays. Pool & Water Pool pumps and lights, water heaters, fountains, aquariums and valves. Office & Business Controls for offices, meeting rooms, shops, classrooms, warehouses and server rooms. Hotel & Hospitality Guest room AC, lights, curtains, master switch and restaurant table lights. Events & Stage Event lights, DJ lights, stage LEDs, fog machines and decoration lights. Vehicle & EV Web remotes for EV chargers, fleet dashboards and extra vehicle lights. Control them from your phone browser. Security & Access Smart locks, gates, electric strikes, sirens, security lights, CCTV PTZ and intercoms. Industrial & IoT PLC, Modbus, RS485 and MQTT dashboards, machine panels and sensor controllers.