EXCITING DIY PROJECTS: Projects For Registered Users Only
If you register on our website, as a token of thanks, you get access to these special DIY Projects. These are not accessible to the rest. CLICK HERE to register for FREE...
Batteryless Microcontroller Operation Using Supercapacitor
Imagine a world where microcontrollers (MCUs) and development boards operate without batteries. Energy-harvesting technology now makes this a practical reality. Several batteryless IoT sensors...
LED bar Display Showing Audio Signal Level
This is a simple audio-signal-based LED indicator built around the LM3914 display driver IC. Visual indication of audio signal levels is an essential feature...
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...
Railway Track Gauge and Superelevation (Cant) Measurement System using Arduino
This project presents a portable Arduino-based digital instrument for railway track inspection that measures super elevation (cant), track gauge, and rail temperature. Built around...
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...
Biometric Electronic Voting System with Real-Time Authentication and Keypad
This project presents a secure, low-cost electronic voting system using Arduino Uno, an R305 fingerprint sensor, a keypad-based button interface, and an LCD display....
Smart EcoBin: Intelligent Waste Management System
The Smart EcoBin is an intelligent waste management system designed to promote environmental sustainability and improve the efficiency of waste collection. Equipped with multiple...
Smart Energy Meter With ESP32 to Predict Electricity Bill
Unexpected electricity bills can often be frustrating. This smart energy monitor, built using an ESP32 microcontroller, measures real-time power consumption and predicts upcoming bills...
AI Vision Assistant Camera That Can See, Read, and Translate
The AI vision assistant camera is a smart device for image recognition and interpretation. Powered by AI, it analyses images from user-defined prompts and...
Real-Time Temperature And Humidity Monitoring System Using TFT Display
Real-time environmental monitoring is increasingly important in agriculture, industrial automation, smart homes, and healthcare. The real-time data monitoring system measures and displays ambient temperature...
Laptop-based HMI For DC Motor Speed and Direction Control using Arduino
The article explains a laptop-based human-machine interface (HMI) system that allows users to control the speed and direction of a DC motor using software...
Designing a Li-Fi System for Wireless Data Transfer [Step-by-Step Guide]
Light fidelity (Li-Fi) is a widely adopted form of wireless communication that uses optical energy to verify device functionality. A key challenge lies in...
AirPod: Standalone FM Earbud
Earlier in this series, a compact FM radio was created using a touch display. From there, the design moved forward with an FM radio...
Smart Trolley Robot using Arduino
This article shows how to build a simple, low-cost smart trolley robot using an Arduino Uno and Bluetooth (HC-05). The trolley can move forward,...
Electronic Toggle Ratchet Relay Circuit
An electronic toggle ratchet relay is a specialised relay that, unlike standard relays, retains its state (on or off) even after the control signal...
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...
Short Circuit Protection System For Electric Vehicle Safety
We often come across news of EVs catching fire or batteries overheating and exploding. To address this, our Electric Vehicle Safety project focuses on...
Low-Cost Educational Musical Instrument
This musical instrument, organ, is a simple yet engaging electronic device designed to introduce kids to sound, light, and music in a fun and...
Universal PWM Signal Isolation Module
This PWM (pulse width modulation) signal isolation module is built around the widely adopted 6N137 high-speed optocoupler. The device combines a high-efficiency input LED...
Monitoring And Automation System For Lathe Machines
This pilot system offers an Arduino-based solution for real-time monitoring and automation of lathe machines, integrating temperature, vibration, and operational data to improve efficiency...