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.

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

Low cost, easy build pick to light system.

A simple burglar alarm built using an ATtiny45. You can attach it anywhere and will it will inform when someone tries to steal something.

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

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

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

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