Power Electronics Projects

SCR Battery Charger

Build an SCR battery charger using BT151 thyristor for controlled DC charging. Suitable for 12V/24V batteries in DIY electronics and hobby projects.

Short circuit protection using Relay

Protect electronic circuits from short circuits using a relay-based protection system. Automatically disconnects the load when overcurrent is detected, ensuring safety.

Transformerless 12v Power Supply

Build a 12V symmetrical power supply circuit to provide +12V, -12V, and ground output for audio amplifiers, op-amps, and other dual-voltage electronics projects.

Adjustable Power Supply IGBT

Build an adjustable power supply using an IGBT with step-by-step circuit, installation guide, testing, and safe operation tips for beginners and professionals.

Variable Power Supply

Build a variable power supply using the LM317 IC to deliver an adjustable voltage safely from 1.25V to 37V, ideal for electronics projects and hobbyist applications.

Transformerless Power Supply Wiring

Step-by-step transformerless power supply wiring guide for low-current DC output using capacitive or resistive dropper methods for LEDs and small electronics.

Variable Power Supply using LM317

A variable power supply provides adjustable voltage output for electronics testing and DIY projects, allowing safe and precise control from 1.25V up to the input voltage limit.

Variable Voltage Regulator 60v 10a

Build a high-current variable voltage regulator delivering up to 60V and 10A output, ideal for powering electronics projects, motors, and high-power DC devices safely.

Variable Power Supply using IRFZ44N

Build a high-current variable power supply using an IRFZ44N MOSFET to provide an adjustable voltage for electronics, DIY projects, and motor control applications safely.

Voltage Doubler Circuit

A voltage doubler circuit converts input voltage into nearly double using diodes and capacitors, ideal for electronics projects needing higher DC voltage.

Voltage Regulator Fix 5v

Build a reliable fixed 5V voltage regulator using 7805 (+5V) and 7905 (−5V) ICs to power electronics circuits with stable and precise DC output.

Voltage Regulator using IRFZ44N Mosfet

Build a high-current voltage regulator using an IRFZ44N MOSFET for a stable and adjustable DC output, suitable for motors, LEDs, and DIY electronics projects.

Voltage Regulator using Transistor

Build a high-current voltage regulator using transistors for a stable DC output, adjustable or fixed, suitable for motors, LEDs, and electronics projects.

0-30V 0-10A Variable Power Supply

Learn everything about the 0-30V 0-10A variable power supply. Adjustable voltage and current explained, features, setup, applications, and safety tips for electronics projects.

12V and 24V Battery Charger

Learn how to build a 12 Volt and 24 Volt battery charger with step-by-step circuit diagrams, components, working principle, safety tips, and troubleshooting guide for automotive and solar batteries.

12V 220V 555 Timer IC 3000W Pure sine wave Inverter

Build a 12V to 220V 3000W pure sine wave inverter using a 555 Timer IC. Complete guide with circuit diagram, components, working principle, assembly, and troubleshooting for high-power applications.

12V Battery to 220V AC Power Inverter DIY

Learn how to build a 12V battery to 220V AC inverter at home. Step-by-step DIY guide with circuit diagram, components, working principle, applications, and troubleshooting tips for safe power conversion.

12V DC to 220V AC Inverter 3000W Pure Sine Wave

Build a 12V DC to 220V AC inverter with 3000W pure sine wave output. Complete guide with components, circuit diagram, working principle, assembly, and troubleshooting for high-power applications.

12V to 220V square wave Inverter CD4047 50-60HZ

Build a 12V to 220V square wave inverter using CD4047 IC with adjustable 50–60Hz frequency. Complete DIY guide with circuit diagram, components, working principle, and troubleshooting tips.

40V 20A Voltage Regulator LM338T Power Supply

Build a 40V 20A adjustable power supply using the LM338T voltage regulator. Complete guide with circuit diagram, components, working principle, assembly, and safety tips for high-current applications.

Adjustable Constant Current Power Supply

Build an adjustable constant current power supply to safely drive LEDs, batteries, or electronic circuits. Complete DIY guide with circuit diagram, components, working principle, assembly, and troubleshooting.

Adjustable Flip Flop LED Flasher CD4047 Square Wave Oscillator

Build an adjustable flip-flop LED flasher using a CD4047 IC as a square wave oscillator. Complete DIY guide with circuit diagram, components, working principle, assembly steps, and troubleshooting tips.

Adjustable Power Supply 35V - 7.5A Using Single Active Component

Build a 35V 7.5A adjustable power supply using a single active component. Complete DIY guide with circuit diagram, components, working principle, assembly steps, and safety precautions for high-current projects.

Adjustable Power Supply MOSFET Control 0-220V

Build a 0-220V adjustable power supply without a transformer using MOSFET control. Complete DIY guide with circuit diagram, components, working principle, assembly steps, and safety precautions for AC load control.

Adjustable Voltage Power Supply 40V - 20A High Power

Build a high-power adjustable voltage power supply, 40V 20A, for lab and DIY projects. Complete guide with circuit diagram, components, working principle, assembly, testing, and safety precautions.

All-in-One Battery Charger Circuit

Build an all-in-one battery charger circuit capable of charging multiple battery types safely. Complete guide with circuit diagram, components, working principle, assembly steps, and safety precautions.