Content for Relay

Plug And Play remote relay (Raspberry and Arduino and reading sensors)

“The goal was to create easy to use End to End control over power sockets using relay, including (and maybe mainly) Web GUI and automation. As always I try to use existing solutions and rely as little as possible on …

$1 automatic water level controller

“Its an automatic switching circuit that used to control an AC water pump. Operation of this circuit is simple.wen the water level goes below the limit the lower level sensor will detect it and activate the water pump.wen …

Arduino Self Shutdown

“With this small project I would like to demonstrate how you can do the Arduino (or other mcu) turn off itself via software. I am not refering about a “Deep Sleep Mode” of the mcu, but cutting off the circuit …

Control AC light using Arduino

“The first tutorial everyone suggest in arduino is Blinking a LED. Today I will show you how to control a AC light/appliance with the same Blink sketchControlling AC light or appliance with arduino is simple as blinking a LED …

DIY PCB 4 channel IR remote controller

“in this posting, i can share PCB 4 channel remote controlled with IR sensor, using atmega 328, programmed with arduino uno R3.”

Raspberry Pi Controlled Irrigation System

“Every spring my wife gets really ambitious and plants a big vegetable garden. As the summer drags on, ambition turns to laziness and unfortunately many of the plants die a slow, withering death from neglect due to lack of weeding …

Raspberry Pi Garage Door Opener

“This instructable explains how I setup a Raspberry Pi to open my garage door using a smarthphone. While this has been done before, I thought I’d post my solution. This was my first hardware project and instructable ever and …

Wifi Relay With ESP8266

“This wifi relay can controls any device like lamps or your soldering station with your smartphone or your computer.”

Arduino audio switch

“Inside my shelter i’ve a 5.1 Bose surround system and a couple of Yamaha NS-10M Studio speakers. I needed to drive them with only one power amplifier, so i needed a custom audio switch between speakers and …

Arduino Based Beer Fermenter Thermostat

“The idea was to make an arduino based thermostat for a fridgecombined with a heat source without hacking the fridge itself.”