This 0-24V 5 Amp variable power supply circuit regulated mainly uses transistors for the power control and can be easily altered from 3 to 24 volts. In the shown design […]
Simple Temperature Indicator using BC547 Transistor
The post explains a simple temperature indicator circuit using a single BC547 transistor and complementary 1N4148 diode. The temperature indication of a heat sink on a power transistor in high […]
Simple Electronic Pinball Game Circuit
This highly portable electronic pocket pinbaIl game circuit may not exactly be a substitute for its big brothers in the amusement arcades, but it still provides a lot of fun. […]
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 […]
Simple Dark Room Timer Circuit for Photographers
A basic dark room timer circuit for photographers works on a solitary 1.5V cell and flashes a neon light is detailed below. As the time frequency are visible, it is […]
2 Simple Electronic Gong Circuits Explained
The first electronic gong circuit presented below simulates the sound of a bell or a gong; The circuit consists of a resonant filter, built around IC2 and IC3, which rings […]