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“8 player quiz buzzer can be used in various competition organise in school and colleges to identify the team who has pressed the buzzer first. Advantage of this quiz buzzer circuit is once a team has press the switch others …
“Is not always an easy task to get a good looking finished project if it includes a 7 segment display! The main problem to get an elegant finish is the tight tolerance needed for the rectangular hole cut where the …
“This project based on Arduino, it will measure time of one revolution of wheel, then divide wheel’s lenght on this time, and it will be the speed. Revolutions of wheel will be measured by magnet and hall sensor. I …
“We will create an electronic device to test the zener diode voltage. First , Theoretically we will learn how the Zener diode work? Let’s get started”
“In some situations, in your designs with Arduino and microcontrollers, you can use a shift register like 74HC595 to directly trigger LED, LED array and displays, but if you check the datasheet, you will see that you need to be …
“Every morning when I get ready to walk the dog, I want to know what the weather is like outside. Is it raining? Cold enough for the dog’s sweater? From my current NYC apartment, it’s even hard to …
“I have done several designs of digital clocks for Arduino using LEDs and LCD displays, but this one is more special because I added other features like alarm and motion sensor (PIR).”
“One of the things I love working with the Arduino is LED monitors. It does not matter if they are with 7 segments or array of points and I’ve done many different designs using them. They are very interesting …
“Regular readers of this blog will have already seen the article that I published about 4 months ago where I attempted to reverse engineer a voltage regulator module originally designed to fit into a Dell server. The theory was that …
“The projects shown here is a 2 Digit 00-99 Seconds or 00-99 Minutes Countdown kitchen timer based on PIC16F1825 micro-controller. The timer is useful in various applications like Cooking, Sports, Industrial, Sleeping. On board switches provided to set the time …