Buzzer

A buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.

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7-Segment NeoPixel Clock With Countdown Timer

“In this Instructable, my twin brother, Sunyecz06, and I will show you how to make a 7-segment NeoPixel Clock with Countdown Timer. The inspiration for this project began with our parents and their fitness room. While they have an older …

Sensor based tic-tac-toe game using Arduino

“Tic-Tac-Toe, noughts and crosses, or Xs and Os/“X’y O’sies, However you call it, This game owns a special place in the heart of all. All of us have played this game with our friends, families, in schools …

DIY 37 LED Roulette Game

“Following the principle of the original Roulette, the movement of the LED simulates a ball whose speed gradually decreases until it stops. Roulette is a casino game named after the French word meaning little wheel. In the game, players may …

Chess clock using 3208 Led Matrix

“Created a chess clock using arduino uno and Sure Electronics Led Dot Matrix.”

DIY Simple Sensitive Metal Detector

“Pulse induction Metal Detector. It can detect a metal coin at a distance of 15 cm and a larger metal object at a distance of 40 cm and more. This is a modified version of the well-known Russian pulse induction …

How to make Attiny based mini game console

“ello friends in this post we’ll se how easily we can build a Attiny based mini game console. In this mini game console you can play some retro games, which is obviously not very high tech but yes you …

IoT Keychain Finder Using ESP8266-01

“Are you like me always forgetting where you kept your keys? I can never find my keys on time! And because of this habit of mine, I have been late for my college, that limited edition star wars goodies sale …

One Arm Bandit

“A tri-color personal slot machine with a 3D printed realistic lever to spin the wheels. While looking at projects on the Adafruit site, I came across a fruit machine project that has a cool 3D printed lever that incorporates its …

Coil Winder Using Arduino

“Why this project was built? I work at Prabal Learning Innovations, an educational startup. One of our educational kits contains a 3D printed part that is wound with a copper coil to demonstrate electromagnetic induction. Winding the 3d printed part …

CO2 Wall Clock

“Arduino powered CO2 Monitor for Schools, Offices, and Private Buildings Proper ventilation not only ensures well-being, but significantly reduces risk of SARS-CoV-2 infection “Aerosols are a possible transmission path of the novel coronavirus. Aerosols spread quickly throughout the entire …