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.
SERVO MOTOR TESTER
When using a servo motor in a project, if the servo motor does not respond as per the input, how to make sure that...
Home Appliances Control Using Telephone
Using this circuit, you can control up to seven electrical appliances through a telephone. The circuit can switch on/off the appliances in two modes....
1Hz Precision Clock Timer
This timer makes an LED flash once every second along with a beep. The timing circuit uses a quartz crystal available in digital watches...
Pulse Counter Using AT89C4051
Pulse counters are widely used in our day-to-day life. Almost all museums and theaters have a visitor counter installed at entry exit to measure...
Designing Low Power Products Using MSP430 Microcontroller
The use of battery-operated electronics gadgets is increasing fast in our daily lives. Products are expected to be versatile, while consuming minimal power. Reduced...
Microcontroller-Based Ring Tone Player
Mobile phone ring tones sound like real audio recordings. It’s not because of the way the melodies are composed, but the protocol behind playing...
Put Coin And Draw Power
Built on the lines of payphones, here is an automatic coin collection device for payloads like lamps and air-conditioners to be used on a...
Cellphone-Based Device Control With Voice Acknowledgement
Here is a circuit that lets you operate your home appliances like lights and water pump from your office or any other remote place....
PIC16F877A-Based Temperature Monitoring System
Temperature monitoring and control is important in industry environments. Sensors are widely used for measurement of temperature. Usually, a temperature sensor converts the temperature...
Eight Channel Data Acquisition And Logging System
In environments like factories, power plants and transformers in electricity substations, controlling temperature to a safe value is important. Supervisory and control systems are...
Microcontroller-Based Moving Message Display
LED-based moving-message displays are becoming popular for transmitting information to large groups of people quickly. These can be used indoors or outdoors. We can...
Secure Digital Access System using iButton
Access control forms a vital link in a security chain. Here we describe a secure digital access system using iButton that allows only authorised...
Wireless Equipment Control Using AT89C51
Here is a microcontroller based wireless equipment controller that can switch on or switch off up to four devices at a desired time interval...
PC-Based Wireless Control for Toy Car
Here we show how you can control a toy car through your PC’s serial port using a pair of ASK transmitter and receiver modules....
Remote-Controlled 6-Camera CCTV Switcher
Closed-circuit television (CCTV) uses video cameras to transmit signals to specific monitors. It differs from broadcast television in that the signal is not openly...
Microcontroller-Based Serial Data Transfer To PC
Communication from or to a computer has become almost essential in our day-to-day lives. Though we can execute many programs within a computer itself,...
RPM Counter Using Microcontroller AT89C4051
Counting the revolutions per minute (RPM) of motors—determining the motor speed— is essential in the field of industrial automation. It is useful especially for...
Automatic Fan Controller For Air-conditioners
Many central air-conditioning systems (ACs) have the option for cooling and heating both. These have a fan for blowing hot or cold air drawn...