Wait no longer! Build yourself a little circuit to change the analog phone’s audio to regular line audio to record with your sound card.

Experimenting with batteries, bulbs, buzzers, switches and other electrical components is a great way to learn about circuits and start to think about how to incorporate sounds into your Build a ...

Make paper switches Place the two ends of the switch (the traces that will be connected and disconnected) next to each other in parallel. Use a third piece of conductive copper to bridge these traces.

This is a good project - building a whistle-activated light switch. Hold a note to turn it on, and whistle again to turn it off! Check out the website of Luke Allen, a US Navy officer, where he ...

The answer is simple – make your own. Inexpensive flexible PCB prototypes are one of the key elements in this process and a perfect complement to 3D designs. CIT Technology have worked with designers, ...