Projects are categorized into three levels to make it easier for users to find the simple or advanced projects they are looking for. These levels include the ...

Build a traffic light with Arduino Imagine you have a problem with a single lane bridge crossing a river. Every week, one or two accidents occur at night, when tired drivers drive across the bridge ...

If you’ve done 3D printing, you’ve probably at least heard of Tinkercad. This popular CAD package runs in your browser and was rescued from oblivion by Autodesk a few years ago. [Chuck] recently did a ...

An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this ...