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

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

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.

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.