Content for Buzzer

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.

DIY Simple Sensitive IB Metal Detector with 2xNE555 IC

“A relatively sensitive IB (Induction balance) Metal Detector which is very easy to make, and contains a few standard electronic components In the previous period, I presented several types of metal detectors that were based on microcontrollers and Android smartphone …

ESP32_Desktop_Clock

“This ESP32 internet of things desktop clock is a project created for my home. School has started and fall is coming so every morning my kids ask me what they should wear. This clock is normally very, very dim and …

Wheels4Water : Let’s paddle away through water mgmt issues

“Are we neglecting the importance of water? Probably, the answer is YES. Go through this different and versatile project to find a solution. Before diving into the Hardware & Software setup, it is important to first understand what the project is …

Bluetooth RPM Letterboard

“A Rapid Prompting Method (RPM) letterboard with capacitive touch sensors & Bluetooth connectivity for enhanced functionality The Rapid Prompting Method (RPM) is a technique developed by Soma Mukhopadhyay as a vehicle for non-verbal autistic children (and adults) to communicate and pursue …

kitchen timer

“Here’s the bill of materials I ended up with: Teensy 2.0 Adafruit 16x9 Charlieplexed PWM LED Matrix Driver LED Charlieplexed Matrix - 9x16 LEDs - Warm White Rotary Encoder Solid Machined Metal Knob PowerBoost 500 Charger Lithium Ion Polymer Battery …

Smart LPG detector with ESP RainMaker Phone Alert

“Smart LPG leak detector device which generates phone alert notification using ESP RainMaker In these hurry days, it does happen that many a times, we miss on many things which can be a major cause of concern for us and …

Digital Clock with IR Remote Control using Arduino Nano

“Digital Clock With Hour/Minute/Second/ Temperature display and features Alarm/snooze/Hour Chime with a full function IR remote Control. I have earlier published a Digital Clock project, and that was my first project on Arduino. That project has …

STM32 Soldering and Rework Station with TFT Display

“Soldering station supported Hakko T12 tips and rework Hot Air Gun 858D using color TFT ili9341 display. This is a third release of combined soldering iron controller for Hakko T12 tips and 858D rework station based on STM32 micro controller …

TICO - Open Source Tic-Tac-Toe Arduino Robot

“TICO is a 3D-printed, Arduino-powered Tic-Tac-Toe robot that inspires kids to learn code, robotics, and electronics. In this article, we will explain how to print and assemble Tico. Then, we’ll provide a working code that can bring Tico to …

Arduino Jeopardy Buzzer With LCD Screen

“Welcome to this Instructable. With all of the recent news of a new Jeopardy Host on the horizon, I wanted to play Jeopardy at home with my friends and family. When playing with friends, we first tried to use buzzers …