This is the next step with an Ultrasonic HC-SR04 Echo and LCD 1602.

Wondering if your cat is sleeping all day or running around the hood? Check it out with this tracker!

Connect your door to the Cloud and open it from everywhere.

Smart Vent System will help you save energy by heating or cooling only the rooms that you need.

Make your own custom GoPRO shutter using a MKR1000 board, 3 buttons and 3 LEDs.

This project creates a relay and a water pump for monitoring moisture.

Arduino micro with RFID unlock your computer. Set one or many RFID tag, and unlock your computer with your personal password.

The purpose of the project is to create a system of selective opening of shop windows.

The purpose of the project is to detect the passing of cars and people at the entrance to an orchard and a warning beep inside this house.

With help of this device we can control multiple household appliances with help of an IR remote.

When you have a 'real' Christmas tree, it is important to keep it watered. This project monitors the water level and emails alerts.

At my age you have to get up at night and get tired on the way to the bathroom. Using a PIR-Sensor to trigger light on!