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.

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 …

Homebrew 8-Bit Computer With TinyBASIC and ATMEGA1284P

“I have assembled many desktop computers over the years but it’s just not the same when you don’t use a soldering iron! I wanted to build a computer from scratch for a long long time because I find …

Making an Alarm Clock That Asks Questions Randomly

“Do you usually have trouble getting up? Set more than a dozen alarm clocks in the morning, but still can’t wake up and turn them off in a daze. When you waking up and find out that you are …

Pico Alarm Clock

“This is an alarm clock that is running on Raspberry Pi Pico and is displaying on a TM1637 7-segment display. In this project I try to stay close to the hardware and implement what I can from scratch. For example …

Puma 3D Printed Multimodality Microscope

“PUMA is an Open Source (GPL v3.0) 3D printed light microscope system designed for direct eye observations and ultra-portability with advanced options for digital imaging, measurements and computer control. The name PUMA is an acronym of some of its …

Valden: Heat Pump Controller

“The Valden Heat Pump controller is an open source platform to precisely control heat pumps. This controller can be used for the automation of newly built Heat Pumps (HPs), as a repair controller for old systems or as control system …

Programmable PCB Conference Card

“Why wear a boring paper card to a conference when you can bring a cool and hackable one based on an ATtiny85? Programmable cards and badges are really good ice breakers at conferences as they’re a great way to …

Sensitive Arduino Lightning Detector with Homemade Sensor

“How to make a sensitive homemade lightning detector based on cheap AM receiver IC TA7642 and Arduino Nano. A lightning detector is a device that detects lightning produced by thunderstorms. In one of my previous videos, I showed you how …