MEGA COLLECTION OF ELECTRONICS DIY PROJECTS
Every week, we publish 2 to 3 projects, sometimes even more! They range from simple circuits for beginners, to advanced projects that you can use to develop complete innovative products! Most projects have been developed by enthusiasts like you. Some by experts. And, some by our team. Many are tested at EFY Labs, and some are not–but they typically have a proof-of-concept video.
Water Level and Temperature Monitoring Using Arduino
This water level and temperature monitoring system uses contact or non-contact water level sensors along with a probe-type temperature sensor. A digital display provides...
IoT-Based Environmental and Gas Sensing for Real-Time Monitoring
This project presents a compact, battery-powered IoT environmental and multi-gas sensor module designed for real-time air quality monitoring. Using the BME690 and MICS-6814 sensors...
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...
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...
Working With 400×168 Four Colour e-Paper
How does a colour e-Paper display (like red/black/white/yellow or red/black/white/grey) work without any backlight? Why do they consume so little power, and how do...
Smart Medicine Reminder With Adjustable Timers
As we grow through our lives, we realise that we must take care of our previous and next generation members, and it is a...
Edge AI Face Counting Using MaixCam and YOLOv8 for Real-Time Audience Analytics
Manual tally counters are now a thing of the past. Today, human entry and audience tracking are handled using electronic solutions such as PIR...
DIY Robotics Projects for Engineers and Students
We compiled this list of innovative and interesting Robotics projects, Ideas, and research topics for Beginners and Enthusiasts so that they can explore the...
Earth Leakage Protection Circuit using VG54123A
This article explains the working, circuit design, BOM, construction, testing, and applications of an earth leakage protection device
In modern electrical systems, safety is of...
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...
AI-Powered Object Detection and Distance Measurement using Raspberry Pi
Imagine a vehicle cruising at 54 kilometres per hour, roughly the speed of an object moving 0.5 metres per frame at 30 frames per...
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,...
433MHz Wireless RF Relay Switch
This cost-effective 433MHz wireless relay switch circuit allows remote relay control using an RF transmitter and receiver module. It is ideal for scenarios where...
Mini AC-DC Converter Module With Selectable Output Voltage
The increasing use of IoT devices and smart appliances has driven demand for compact and efficient power solutions. Traditional AC-DC converters tend to be...
Smart RFID Based Metro Station System
Metro smart automated systems always look cool to us. You can scan and rescan to travel just using a MetroCard. No need for special...
Installing Multiple Versions Of The ESP32 Board Package in Arduino IDE
In this tutorial, we will learn how to install multiple versions of the ESP32 board package in the Arduino IDE. Once set up, you’ll...
Compact Buck Converter Design for Wearables and IoT (1.2V–3.3V Output)
A buck converter is a DC-DC power device that efficiently steps down a voltage to a lower level. It uses an inductor, resistors, and...
Electronic Toggle/Ratchet Relay
An electronic toggle ratchet relay is a specialised type of relay that, unlike standard relays, maintains its state (either on or off) even after...