In this post we are going learn how to construct 3 different frequency counter circuits using ordinary components and ICs which will showcase the measured frequency on 7 segment displays. […]
Search Results for: transistor circuits
Variable Voltage, Current Power Supply Circuit Using Transistor 2N3055
In this post I have explained how to make a simple variable power supply circuit using transistor 2N3055 and some other passive components. It includes variable voltage and variable current […]
4 Automatic Day Night Switch Circuits Explained
The 4 simple light activated day night switch circuits explained here can all be used for controlling a load, normally a 220V lamp, in response to the varying levels of […]
Hi-Fi 100 Watt Amplifier Circuit Using 2N3055 Transistors – Mini Crescendo
Video Demonstration of the Crescendo Amplifier The mini crescendo 100 watt transistorized amplifier circuit explained here was built and tested by me and am extremely pleased by its performance and […]
3 Glittering LED Christmas Tree Light Circuits Explored
In this post we present 3 circuit ideas for creating beautiful Christmas tree light decorations. The first idea explains a transistorized flashing blinking LED string light which can be mounted […]
AC Motor Speed Controller Circuits using Back EMF
In this post I have explained a few circuit diagrams for building AC motor speed controller circuits using back EMF concept. Working Principle of AC Motors All household appliances like […]
