Turn an old Geiger counter or CD meter into a prop, by adding an arduino and speaker to simulate clicks. I use a tilt sensor to activate that makes it hard for people to figure out what is happening.

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

I've used our MBUS Slave boards: MBUS Slave Raspberry Pi Pico HAT: https://www.hwhardsoft.de/english/projects/m-bus-pico-hat/ MBUS Slave Feather Wing: https://www ...

The project is made to ring a bell while counting the hits that a blog will receive. The project is made to ring a bell while counting the hits that a blog will receive. The design of the project ...

If you are just starting out in electronics, you need tools. But it is hard to build all your tools. Even though we see a lot of soldering station builds, you really ought to have a soldering iron to ...

If you are interested in creating a DIY Arduino wind speed meter or anemometer to monitor the wind strength in your location, you might be interested in this quick tutorial I have put together to ...

Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that the radio isn’t legal where he lives. So he decided to change the radio over to work on the 6 ...