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Fastest Finger First System for Six Players

Develop A Fastest Finger First System for Six Players

Described here is an Arduino-based fastest finger first system. In quiz shows, the buzzer or fastest finger first round is frequently used to determine which candidate (or group) achieves the highest...
GSM Security Switch To Prevent Vehicle Theft

Make Your Own GSM Security Switch To Prevent Vehicle Theft

This simple GSM security switch project is based on Arduino Nano microcontroller (MCU) and SIM800L GSM modem (Fig. 1). The cellular-based alert system is configured to send an SMS in response to...

Warning System for Over-Height Vehicles

This circuit can be used to detect big over-height vehicle moving towards bridges, tunnel entrances and overhead structures, and warn the drivers. It can be developed for monitoring such a vehicle...

RFID Based Smart Device For Storing Data

In order to not forget confidential details such as login IDs, passwords, bank account number etc. we often note them down on a document for future references. But it not safe...
Connections diagram (transmitter)

Turn Your Phone Into A Contactless Thermometer

Due to the outbreak of Covid-19 pandemic, it has become important to check the body temperature of people without any contact with them to prevent spreading of the disease. There are...

Wireless Equipment Control Using MATLAB-Based GUI

In process instrumentation and control, operators in the plant equipment control room monitor on-field sensors and send real-time commands to control actuators and final control elements such as motors, pumps, variable-speed...

Smart Touch Display Multi-Door Doorbell System (Hindi & English Video)

Technology is advancing daily and everything is turning smarter. A number of traditional devices that we used at our homes are becoming smarter now, including the doorbells which are also evolving...

Measure Difficult Angles With This Digital Protractor

Digital compass and protractor are two of the most basic tools for specifying directions and measuring angles. But sometimes it is difficult to get accurate angle measurement for certain structures and...

Dual bridge driver on expansion module with L293P for Arduino

The short article describes simple but useful four channel driver expansion module with L293P for Arduino. The board can be called power shield, motor shield or driver shield because gives the possibilities...
Dual sharing RTC

Dual Sharing RTC

Necessity I have an old window AC at my lab, situated at the terrace. The AC needs to be run intermittently more so often when I’m out of the station and the...

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