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.
DTMF-Based Food Dispenser for Aquarium
Presented here is an Arduino-based automatic fish feeding system for an aquarium. Feeding the fish is a daily task, which can become a problem...
Wireless Biometric Lock Using Arduino With The IoT
If you’re still using traditional keyed locks, then you must be always worrying about losing the key or somebody breaking into your house. With...
Smart Touch Display Multi-Door Doorbell System
Technology is advancing daily and everything is turning smarter. A number of traditional devices that we used at our homes are becoming smarter now,...
Universal Dual-Channel Audio Signal Tracer And Tester
The circuit described here is a dual-channel audio signal tracer and tester. An audio signal tracer is a simple device to check the presence...
Control Up To 16 Appliances Without Microcontroller
Generally, the total number of appliances that can be controlled without using a microcontroller (MCU) is limited to three or four. One possible solution...
Solar USB Bicycle Power Box
The circuit presented here can be used to drive USB-powered smart devices, including smartphones, while riding a bicycle. Smartphones suck battery power extremely fast,...
Make Video Streaming Camera with Raspberry Pi
Live streaming video cameras can be used for security or personal purposes. A variety of webcams, camcorders, DSLRs and mirrorless cameras for streaming live...
Multi-Language Voice Control IOT Home Automation Using Google Assistant and Raspberry Pi (Hindi & English Video)
Today, home automation using Internet of things (IoT) is one of the major domains which is attracting attention from large tech companies.
We all want...
Adjustable AC Circuit Breaker
This circuit breaker employs a single operational amplifier (op-amp) and yet has a wide range and is user-friendly. A circuit breaker is an electrical...
DC Motor Speed Controller
Here is a simple DC electric motor variable speed controller circuit that can be configured to control the sweep rate of automobiles’ windscreen wipers.
The...
Automatic Plants Watering System With Melody
Here is a circuit for automatic plants watering, which can be undertaken every morning without any human effort. A sensor is used to detect...
Home Automation System Using A Wi-Fi Module
This home automation system can measure temperature, relative humidity, light intensity and control two electrical equipment on Cayenne IoT (Internet of Things) platform. The...
A Novel Architecture For Decimal Conversion In 8-Bit MCU
This article highlights common errors in 8-bit instruction sets, and introduces a novel architecture for decimal conversion instructions, especially in 8051, 8086, 8085 and...
Multipurpose Configurable Audio Buffer For Headphones
This article presents a simple, low-cost stereo headphones buffer using two LM358 operational amplifiers (op-amps). It is used to connect the headphones to line...
Power Up Your Audio: Build an LM386-Based Amplifier with Just a Few Components
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...
Digital Protractor And Angle Measurement Device With Arduino
A compass and a protractor are two of the most basic tools used in geometry. For mathematics and engineering students, these tools are a...
Smart Arduino Touch Switch Board For Home Automation With IoT
If you are still using the traditional switches, then I’m sorry to say this but they are outdated now. Moreover, these traditional switches have...
Control Panel For Submersible Monoblock Pumpset
Presented here is a submersible pump starter circuit using electronic overload relay, solid-state relay and adjustable startup delay.
A submersible pump is a type of...