Phones, headphones and many more things we use in our every day life. Do they use battery? Yes they do, they need charging. This is small and Simple USB Battery Charger Circuit which is easy to make It charges phone or other devices, uses few parts only, good for learning and for home uses. So […]
3 Simple 12V Battery Charger Circuits
In this post we will talk about 3 Simple 12V Battery Charger Circuits. We can use them for charging any lead acid battery. 12V Battery Charger Circuit using a DC Power Supply and an Ammeter: Below are the circuit parts and connections details mentioned: Parts List: Component Description Quantity Resistor 1k 0.5W 1 Capacitor 100µF […]
Clap Switch Circuit
Clap Switch Circuit using 555 IC and Relay is small and easy project. It uses sound like clap to turn ON and OFF the 220V AC things like fan, light etc. In this post we can help to make each part of clap switch circuit by using 555 timer IC and one relay for this […]
Modified Sine Wave Inverter Circuit
This article make it easy to build one Modified Sine Wave Inverter Circuit It uses two small chips IC 4017 and IC 555 to make square wave look more smooth. The circuit also show all parts and how wires connect so we can understand better. Understanding Modified Sine Wave Inverter: Battery power can change to […]
12V Regulated Power Supply Circuit
In this post we will talk about a 12V Regulated Power Supply Circuit It give steady 12V output using few parts. This circuit is good for small projects which need clean power and easy to build and use. What is 12V Regulated Power Supply Circuit: It is an electric circuit that changes moving input voltage […]
Chirping Bird Sound Generator Circuit
Chirping Bird Sound Generator Circuit is small electric circuit that make sound like bird chirping. It uses few parts and easy to make. People use it for fun, in toy birds or doorbell. It makes place feel like nature with bird sound. What is Chirping Bird Sound Generator Circuit: This small circuit make sound like […]





