MQTT-driven IP-relay module, on which the variable part of the MQTT broker’s IP address is set by mechanical switches.
Using the M5StickC, we developed a product that allows you to wash your hands without touching the device.
GatePi is a low-power data transmission board with an onboard CH340 USB TO UART converter, 74HC125V Voltage-Level Translator
Control the internal climate of your car during the summer and winter months with intelligent control systems.
Application notes for Pmod SSR and Arduino Uno. In this app, a load is controlled from the serial monitor.
We created a multi-tap that can be controlled by a Bluetooth module and an app to control the Bluetooth module.
Use mobile phone to config Walabot and define actions by sending trigger to IFTTT or turn on relays.
Open/close light, ventilation, irrigation pumps or whatever. Old fashion, reliable via SMS remote controller w. 2-4 (and easy more) relays.
Let's test this shield.
A script for the tessel that uses the NFL's ScoreScript JSON feed to check the scores for a specific game, and trigger an attached relay.
I made a simple project that detects the gaseous presence of alcohol.
In this tutorial we will learn how to turn the 12V Light Bulb ON, when darkness is detected, using a relay module and a BH1750 Light sensor.
In this project we replace the Arduino UNO with the ATtiny85..
Need to control your relays using a Keypad? Then you need the IO Expander with Relay Expanders!
A siren ic controlled by a 4 channel low voltage relay.
Control Multiple tap to turn on and off the electric fan with Web server with WIZwiki-W7500 board
A NODEMCU based home automation board with six relays and an onboard AC SMPS for powering the device directly from an AC source.
ModWell MacroPad ESP32 Versions
A portable socket board is designed that can be controlled through internet. It provides portable automation solution of devices with ease.
The Floodlight Security System uses the Particle Photon platform to turn on a lamp when motion is detected.
This is how to use relay board.
Garage door controller built with the open Tessel hardware platform. The device hosts the web app used to control the door.
This relay is made using servo motor. I wanted to control a DC motor with a microcontroller but I didn't have a relay so I made one
Optimize the energy consumption by activating your appliances only when human being are present in a room.
