How to Assemble Your Own 3D Printer
3D printing, getting popular for making usable objects, is the reverse of traditional machining where material is removed from a block by drilling, cutting,...
Stopwatch Using 7805IC
Most of the laboratories and educational institutions in need of accurate stopwatches for precision time measurement and this kind of devices are rare and...
Electronic Tone Generator System
It would be cool to build an electronic tone generator system yourself. Described here is a small tone generator based on pulse-width modulation (PWM)...
Magnetic Proximity Switch
Here is an interesting circuit for a magnetic proximity switch which can be used in various applications. The circuit, consists of a reed switch...
Cyclic Temperature Heating & Cooling Control System
This project proposes a Peltier element based cyclic thermoelectric heating and cooling system with precise temperature control by using PID controller with microcontroller. In...
Make Your Own Remote Controlled Robot
To control a robot, the signal is usually sent through a wireless system using radio frequency (RF) and infrared (IR). To send an IR...
Arduino based Smartphone Controlled Robot Car
Nowadays smartphones can be used to control a host of electrical and electronic devices including motors, music systems and lights. Here we present an...
Precision Stopwatch
Most laboratories and educational institutions are in need of precision stopwatch for accurate time measurement. This simple DIY project focuses on the construction of...
World’s Smallest IoT project!!!!!
IoT has been trending since long in the field of electronics and communications. Many projects, products are daily made under IoT. In this project...
Generic STM32 board with Arduino
Described here is a simple way to load a program without bootloader. An additional thing needed is a USB to Serial/UART/TTL adapter (3.3V level)....
Accurate Electronic Stopwatch Project
A stopwatch is invaluable for events and time based competitions. And keeping in with today's demand, these are available in very fancy designs and...
Wireless Gate Alarm
This wireless gate alarm uses infrared (IR) and 433MHz RF modules. IR transmitter unit emits 36kHz signal and is fitted on one side of...
DIY Countdown Timer
Sometimes there is a need to switch on or off electrical appliances or gadgets after a predetermined time. The circuit presented here can switch...
Arduino Based Digital IC Tester Using MATLAB
Testing of digital electronic systems generally involves applying a set of test stimuli to inputs of the device-under-test (DUT) and analyzing responses of the...
Short-Range FM Radio Station
This article shows you how to build a small radio station at home and share music with others. The station can also be used...
Washing Machine Motor Controller
Washing machines usually employ a single-phase motor. In semi-automatic washing machines, a purely mechanical switch controls the timing and direction of the motor. These...
Microcontroller Based Speedometer-Cum-Odometer
Normally, digital speedometers are found only in luxury cars and high-end motorbikes. Even if your motorbike has a mechanical speedometer, what will you do...
RFID Based Security System
A radio-frequency identification (RFID) based access-control system allows only authorised people to enter a particular area of an establishment. Authorised people are provided with...