Power supply circuit

+12V and -12V Dual Power Supply Circuit +12V and -12V Dual Power Supply Circuit

The objective of this project is to convert 220V AC supply in to +12V and -12v DC supply, that is why it is named Dual Power Supply as we get…

12v Battery Charger / Power Supply Circuit using LM317 12v Battery Charger Circuit using LM317 (12v Power Supply)

Most of our electronics projects are powered by a Lead Acid battery, in this project let us discuss how to recharge this lead…

0-24v 3A Variable Power Supply using LM338 0-24v 3A Variable Power Supply using LM338

Batteries are generally used to power up the Electronic Circuit and Projects, as they are easily available and can be connected…

Arduino Variable Power Supply Variable Power Supply By Arduino Uno

In this tutorial, we will develop a 5V variable voltage source from Arduino Uno. For that, we are going to use ADC (Analog to…

DIY LED Emergency Light Emergency Light

An emergency light is an integral part of household electronics nowadays. We all know an Emergency light is used during a…

Digital Thermometer Project using Arduino and LM35 Temperature Sensor Digital Thermometer using Arduino and LM35 Temperature Sensor

Thermometers are useful apparatus that have been used for a long time for temperature measurement. In this project, we…

Stepper Motor Driver using 555 Timer IC Stepper Motor Driver Circuit

Technically stepper motor driver circuit is a Decade Binary Counter circuit. The advantage of this circuit is, it can be…