How to control water temperature using arduino and water heater element like PID controller

How avoid a freezer disaster while I am away.

A solid-state, low-cost, reliable solution for solar hot water from PV. Zero maintenance & CO2, connected, smart combi pre-heat control.

This light switch can be turned on and off using designated RFID tags.

How to build and configure a control unit based on Arduino for opening, closing and other actions for a motorized sliding door.

Make your chicken coop care free. Build a controller using an Arduino Uno to automatically close/open the door and add water

This is an easy to use automatic pet feeder with some 3D printed parts, adjustable feeding times, and adjustable feeding portions.

For bike security, There is only ignition lock switch. And it can be easily hacked by the thief. Here I come with a DIY solution for that.

This project demonstrates the integration to build an intelligent system to control home appliances for elderly

Control at what temperature a ventilation fan should automatically come on.

USB to Somfy IO adapter - accepts serial commands and sends them to any Somfy roller shutter or windows blinds.

Now 9 months in use and performing so well... ! An Arduino controller to *very effectively* keep the humidity to an set level.

Arduino Nano or ATTiny85 sounds a buzzer if the Tesla is in the garage for more than 30 minutes without being plugged in.

World's Cheapest PLC Display to manage any PLC's with a single circuit. Make your Industrial Projects and manage them easily!

Arduino Nano controls the elements of a Toaster Oven based on temperature readings to reflow tin-lead solder paste on a SMD PCB.

There are many charge controllers available, but ordinary cheap ones are not efficient enough to use with maximum power from solar panels.

Another indoor greenhouse powered by Nano. 100% controlled environment with some extra perks that make life easier.

Create massive train traffic on your own model railway!

Easy to make educational kids automatic detection "analog" clock for making hand washing as fun as possible

Build your own Arduino-powered light switch that can be controlled using Amazon Alexa.

A touchscreen in the wall that allows you to control each and every LED light in your ceiling independently and phone controllable!

How to create and program a door that open and close at sunrise and sunset, powered by solar panel.

Intelligently irrigate your yard or garden with dynamic water cycles, rain detection, sunrise detection, and when it's warm enough.

The basic element of every vending machine is the money counter, but prices are from $100, so I have to do it myself!