Play dough circuits 2: experiment with electricity Last time, we went through the basics of how to make simple electrical circuits with play dough and light-emitting diodes, now it's time to ...

In this DIY tutorial, learn how to make your very own USB electric lighter at home with simple materials and step-by-step ...

Simple long-tailed pairs had a long history prior to the advent of integrated circuits, starting in the 1930s with tube circuits and being recreated with transistors as those devices were invented.

The electronic version is also simple to make, and is a great introduction to the concept of circuits – the cornerstone of many maker projects and core knowledge for the budding robot-builder.

This week’s How-To comes from our newest contributor: Logan Williams. This simple guide will show you how to build a digital synthesizer that generates and manipulates square waves. Your synt… ...