power electronics

230V AC Mains Over Voltage Protection Circuit 230V AC Mains Over Voltage Protection Circuit

Most of the power supply these days are very reliable due to advancement in technology and better design preferences, but there…

Simple Battery Level Indicator using Op-amp Simple Battery Level Indicator using Op-amp

In the modern world, we use batteries in almost every electronic gadget from your handheld mobile phone, digital thermometer,…

Pure Sine Wave Inverter Using Arduino Pure Sine Wave Inverter Using Arduino

Inverter circuits are often needed where it is not possible to get AC supply from the grid. An inverter circuit is used to…

5V, 1A Adjustable SMPS Using a Dead Computer ATX Power Supply Build Your Own 5V, 1A Adjustable SMPS Using a Dead Computer ATX Power Supply

A Switch Mode Power Supply (SMPS) is an indispensable part of any electronic design. It is used to convert mains high-voltage…

DIY Homemade Electromagnetic Levitation Device DIY Electromagnetic Levitation Device

This Electromagnetic levitation device is a cool to build an anti-gravity project that is exciting and interesting to watch.…

Power Path Controller System using LTC4412 Power Path Controller System using LTC4412 to Switch between Primary and Auxiliary Power

There are many situations when our circuit design has two power sources such as an adapter and a battery or it can even be two…

AC BULB Flashing and Blink Control Circuit using TRIAC and 555 Timer IC AC Lights Flashing and Blink Control Circuit Using 555 Timer and TRIAC

Sometimes, we might need an AC bulb flasher circuit that can blink a series of bulbs in a particular time interval for…

Programmable Gain Amplifier using MOSFET and Transistor Programmable Gain Amplifier using MOSFET and Transistor

In the measurement industry, a very crucial functional block is a Programmable Gain Amplifier (PGA). If you are an electronic…

Half Wave and Full Wave Precision Rectifier Circuit using Op-Amp Half Wave and Full Wave Precision Rectifier Circuit using Op-Amp

A rectifier is a circuit that converts alternating current (AC) to Direct current (DC). An alternating current always changes…

555 Timer Charge Pump Circuit Positive and Negative Charge Pump Circuit

In a previous article, I have shown you how you can build your own switched capacitor voltage converter circuit using the…