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.
Smartwatch-based Login System for Multiple Devices & Online Payments
In today's digital age, security is paramount, especially when it comes to accessing personal devices and sensitive information. Traditional password-based authentication methods are susceptible...
Simple 2.5 Watt Audio Frequency Amplifier using AN7523
Here is a Simple Audio amplifier using a single IC AN7523. This amplifier gives an output power of 3 watts into an 8-ohm loudspeaker...
Meshtastic Network of Inexpensive LoRa Radios
Besides LoRa (acronym for long range) radios, there is another kind of radios that are already occupying the market segment with variety of applications,...
Efficient Speed Control Of DC Geared Motor With Display Facility For Robotics Application
A DC motor is normally operated by direct current. It converts the electrical energy into mechanical energy. This rotational movement is the source of...
DIY Digital Dual Stopwatch
Consider this digital stopwatch with dual timers if you are seeking a dual stopwatch that allows you to measure two distinct time intervals. It...
RFID-Based Authentication System Using Arduino
The radio frequency identification (RFID) system used for the identification and tracking of objects makes use of an RFID reader and a tag. The...
‘Namaste’ Robot To Greet Visitors Automatically
This Namaste Robot, whose mechanical frame can be made of recycled materials, monitors people within its 100cm range using an ultrasonic module.
Detecting anyone...
Smartwatch With Keyboard And Mouse Functionalities
In a previous project, we developed a smartwatch with Wi-Fi analysis and health monitoring capabilities featuring an ESP32 Dev board. Building upon this concept,...
Automated Vehicle Right/Left Indicator Control To Avoid Accidents
In the modern busy world, the number of vehicles increases day by day and so the accidents too due to carelessness.
In that way,...
Wearable Location Tracking Using Wi-FI SSID Signal
Location tracking is crucial to many applications, from navigation to asset management. Traditional GPS-based systems have limitations, especially indoors or in urban environments with...
Getting to know IC 555 Through Experiments (Part 3)
You can read the part 2 of this article here
The aim of the experiments under the article in three parts is to arouse the...
Counting Small Items Using Edge Impulse
Object classification and counting are essential for factory automation and devices where different objects are sorted or counted during packaging. Factories producing buttons, chocolates,...
High Voltage Practical Robotic Two Port S Parameter Passive Circuit Using Spice
RF-controlled robot design requires S parameters to model and simulate various electronic passive resistors, inductors, and capacitor circuits represented as two-port networks.
Examples demonstrating...
Smart Home Automation System Using ESP8266 NodeMCU
IoT-based smart home automation system lets homeowners control appliances conveniently from their smartphones and laptops. Appliances and lights frequently stay on unnecessarily, resulting in...
Build RISC-V Chip At Home in 20 Rupees
In the landscape of electronic devices, microcontrollers play a pivotal role in processing sensor data and executing programmed functions.
However, the cost of the...
DIY Musical Rain Alarm
A rain alarm, also known as a rain sensor or rain alarm system, is a device that can have various utilities depending on its...
Identify Leaking Gear Box By Edge Impulse
Machines are developed to reduce efforts by human being, so are the Artificial Intelligence which combined with machines does reduce effort at the same...
DIY Light Following Robot without Coding
The mini light follower robot proposed here works in ambient light. It employs sensors to detect variations in light intensity, which allows it to...