Have you ever wondered how your reactions compare to those of other people? This reaction circuit is designed to do just that, it will show scientifically which of the two […]
Mains Wiring Phase, Neutral, Earthing Tester Circuit
The post discusses a circuit which can be used for testing mains wiring phase, neutral, earthing line faults simply through 3 neon lamp illumination with a specified pattern, let’s learn […]
Non-Contact AC Mains Tester Circuit
The simple transistor based non contact AC mains tester circuit will allow you to test the presence of mains AC hum from a distance of about 3 inches. The LED […]
Transistor Current Gain Tester Circuit – hFE Tester
This hFE or transistor forward gain tester is intriguing due to its ease-of-use and because it allows the use of both PNP and NPN transistors to be assessed. Additionally more […]
Simple Continuity Tester Circuit
Using this simple continuity tester circuit continuity among a pair of points could be examined effortlessly by using a multimeter. However multimeter simply being a costly gadget, several amateurs don’t […]
TV Remote Control Tester Circuit
Here is a straightforward TV remote control tester circuit that anyone can use to check TV and VCR remote handsets. The infrared sensor module generates a 5 volt logic pulse […]