Learn how to use Arduino IoT Cloud and Amazon Alexa to switch the channel, adjust the volume and turn on or off any TV.

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.

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

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!

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

Low cost, easy build pick to light system.

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.

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