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Beginners Projects

Brushless DC (BLDC) Motor Driver Circuit

Brushless DC motor drivers are fuelling the rise in BLDC motor. But their control usually requires rotor position information for selecting the appropriate commutation...

Musical Temperature Alarm

A musical temperature alarm is an electronic circuit that detects when ambient temperature exceeds a preset limit and triggers a melody instead of a...

Simple Overflow Stopper

Even though water covers two-thirds of the Earth’s surface, less than 1% of it is fresh and easily accessible for human use. Preventing unnecessary...

Hybrid AC–DC Smart Grid Using IoT and Cloud Monitoring

This system integrates traditional AC grids with DC systems, such as solar panels, batteries, and EV chargers, and coordinates them through software, automation, and...

Density-Based Traffic Light Controller using Arduino

This project demonstrates a low-cost intelligent traffic signal system using Arduino and ultrasonic sensors to reduce congestion caused by fixed-timer traffic lights. Four HC-SR04...

Power Bank Circuit Diagram

In our fast-paced digital world, staying connected is essential, and a reliable power bank is a must-have accessory for smartphone users. This smartphone power bank...

Resistor Color Code Calculation Formulas, Calculator, and Common Mistake

This table will help you with managing resistor color code so that you don't burn up your circuit due to a wrong resistor. Right below...

Build Your Own Stereo Amplifier Using TDA2822

Here is a simple stereo amplifier that can be used to amplify audio from mobile devices. IC TDA2822M used in the circuit comes in...

Colour Buddy: Learn Colours With Lights

This system uses a colour-changing LED (RGB LED/tri-colour LED) that switches to a new colour every 5 seconds. Simultaneously, the colour name is displayed...

LM386 Audio Amplifier Circuit

Looking to boost the sound of your DIY projects without the hassle of complicated circuits? This simple LM386-based audio amplifier is an affordable and easy...

Automatic Delay-Off Timer Circuit

This delay-off timer is a cost-effective, reliable, and easy-to-assemble device for automating time-based switching operations. It improves energy efficiency and adds convenience in both...

DIY Raspberry Pi FM Transmitter

I built a Raspberry Pi FM transmitter using only software without any external RF modules or transmitter HATs. Let me explain step-by-step. The Raspberry Pi,...

DIY LED Strip Controller with Motion Sensor

Decorative lighting has become quite popular, with options such as LED surface panels, strip lights, COB lights, spotlights, and profile lights that are widely...

Power Saver Air Conditioner Circuit

This air-conditioner (AC) power saver circuit can control the operation of two separate AC units, reducing energy consumption during preset periods and cutting overall...

DIY 12V Automatic Anchor Light Circuit Using NE555 Timer and LDR

Federal and international regulations require boats to carry lights between sunset and sunrise and during conditions of restricted visibility. The number and colours of...

Automatic Evening Light With Cut-Off Timer

Designing a circuit to switch on a light at dusk and off at dawn is straightforward, and many such designs have been featured in...

Top 37 Electrical Engineering Projects

Engineers are always in search of new electrical project ideas, and finding meaningful projects makes that search worthwhile. Listed below are the latest electrical...

Smart and Portable Automotive DIY Doppler Radar Speed Detector

Measuring the speed of moving vehicles and objects is critical for ensuring road safety, conducting traffic analysis, and supporting research applications. Conventional systems are...
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