How to build a very cheap but full featured Sound Card Oscilloscope Build Better Electronics Projects By: Steve Garratt

Touch Switch At Home DIY Electronics

Darlington Transistor Touch Switch Simple Science Project

Here is a simple two transistor darlington transistor touch switch that you can build easily on a solderless breadboard. This build follows on from the single transistor touch switch project to significantly increase the sensitivity of the touch sensor. More...

Transistor Touch Switch Simple Science Project

Here is a simple one transistor touch switch that you can build easily on a solderless breadboard. Learn how to build a circuit that turns on an LED lamp simply by placing your finger across two wires.

This project illustrates how you can use a transistor as a solid state switch. No moving parts. Exept for your finger of course. More...

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