Discover cutting-edge DIY electronics projects, from Arduino and ESP32 to complete IoT systems. Join our community of makers and innovators.
Month: November 2025
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Smoke Detector Project
This simple smoke detector project uses two main ICs: the MOC7811 optical sensor and the LM358 operational amplifier. It can…
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Automatic, Touchless Hand Sanitizer Dispenser
This project creates a device that automatically pumps sanitizer when you place your hand near it—no touching needed! It uses…
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Non-Contact AC Voltage Detector with Mobile USB and CD4017
This project lets you detect the presence of AC voltage using a small circuit connected to a mobile device via…
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Build Your Own Portable Speaker with Bass using the CD4440 IC
This project helps you build a compact, portable speaker system with enhanced bass sound. It amplifies audio signals to drive…
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Automatic Mobile Charger with Power Cutoff
Are you worried about leaving your mobile phone plugged in overnight? Overcharging and battery overheating are common concerns for most…
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How to make Motion Sensor Light: Building a Custom PIR Circuit with Arduino
This project automatically turns on a light when someone enters a room or passes by. It uses a PIR (Passive…
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How to make DC to AC Inverter: Building a Power Supply with the CD4047 and MOSFETs
This project details how to construct a basic DC to AC Power Inverter at home. An inverter is a device…
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DIY Obstacle Avoiding Robot: Building a Smart Robot with Arduino Nano and Ultrasonic Sensor
This project provides a detailed guide on how to construct an Obstacle Avoiding Robot at home, utilizing an Arduino Nano…
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DIY Wireless Power Transmission at Home: The Magic of Induction
This project shows how Wireless Power Transmission works using a simple idea called electromagnetic induction. This is the same technology…
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DIY AC LED Dimmer: How to Control Light Brightness at Home
Disclaimer:This project involves working with AC mains electricity, which can be very dangerous and cause severe injury or even death…