In this post we will learn how to build a simple whistle sound operated relay circuit, which can be used for switching ON/OFF a 220 V load through whistle sounds. […]
Bicycle Speedometer Circuit
In this article we will learn how to build a simple bicycle speedometer circuit which can be used to measure the speed of the bicycle. What is a Bicycle Speedometer, […]
Electronic Cricket Sound Generator Circuit
The post explains how to build a simple cricket chirping sound generator circuit using a single IC 4093 and a few other passive components. An electronic cricket sound generator is […]
Circuit Projects for Beginners and School Students
In this article we will learn how to build small electronic circuit projects suitable for beginners, young hobbyists, school students, who are new to electronics and are at the initial […]
Robot Voice Generator Circuit
A robot voice generator circuit is a device which modifies a normal human voice into a typical robot like voice, that we normally come across in movies, or video games. […]
Tennis Ball Throwing Machine Circuit
In article below explains the control circuit for an automatic tennis ball throwing machine, designed to throw a tennis ball through a mechanized catapult machine, controlled with powerful motors. In […]