In this post we try to analyze a simple door lock circuit using digital code that needs to pressed with a unique sequence in order to activate the door lock […]
Car Lights ON Warning Circuit
The article explains how to build a simple car lights ON warning circuit for enabling the driver to learn about the a car light accidentally left switched ON after a […]
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 […]