
Transistor Tester Circuit
A simple transistor tester that identifies if the transistor is a NPN or PNP and indicates if it is working properly. (October 3, 2009)Category: circuits electronics - Updated: 2009/10/03

Transistor LED Flasher
A simple LED flasher that uses only two transistors, one capacitor and one resistor. This basic oscillator can have other simple applications. (6/10/2006)Category: electronics circuits light diy - Updated: 2009/07/23

Water Level Control/Monitor.
A simple way to control the level of any liquid in any container. (05/20/2004)Category: diy circuits microcontroller - Updated: 2009/07/24
Where to get parts.
Tips to get cheap parts and some parts distribuitors than sell good and inexpensive parts. (6/10/2006)Category: electronics circuits homemade - Updated: 2009/07/23
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