A human detection system was designed earlier to utilise the microwave Doppler effect to detect human movement and trigger AC appliances such as light bulbs and other electrical loads up to 1A. The ...

This project allows you to monitor and control you old vista alarm panel over the internet through a cheap ESP device and an home automation platform Home Assistant or any other automation platform ...

The people who go nuts over 3D printed guns are going to have a field day with this one. It’s a shotgun and ammo built entirely from items you can purchase after passing through airport security. Now ...

A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...