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.

Breadboard Air guitar

“Using 2 ultrasonic sensors to detect the strum motion. And using 3 buttons to play the node The project started with using an ultrasonic sensor to detect distances. Then I thought of using two ultrasonic sensors to tell the passing …

Clone PI-W Atmega8 (Arduino) Metal Detector short Review

“Inexpensive and extremely stable and sensitive metal detector made using an Atmega8 microcontroller. Quite by chance these days I got in my hands a “Clone PI W” metal detector module, so I decided to immediately do a small review and …

SMD Reflow Hot Plate

“A DIY temperature controlled Hot Plate for soldering SMD components. Story Over the years, electronic components have changed both in terms of size and also their footprint. More and more designs incorporate or solely use surface mount components (SMD) rather …

Wireless, Battery-Powered, Water Detector

“A water detector powered by a LiPO battery that transmits its status and notifications via MQTT to Home Assistant. About A while back my indoor air conditioner air handler’s condensation pipe clogged and caused a small flood. Thankfully we …

Arduino Bluetooth Controlled Solar Smart Security for Home

“This project help us to get our life easier. It will detect many things and show the alert on our device which can controlled by Bluetooth Introduction I have developed all in one smart home idea which help us to …

Open Source StopWatch

“This project is a simple StopWatch for measuring times on different processes or activities. The project was chosen to test some 4-layers PCBs and experiment with the XLP (Extreme Low-Power Technology) of the PIC18LF14k50. You can measure from milliseconds up …

Alarm clock without RTC

“Don’t you think today’s alarm clocks are too convenient to avoid?This clock that I designed makes you get out of your bed just to stop it. I used to face difficulty waking up early in the morning …

DIY Aduino One Axis Self Balancing Device

“Simple to build one axis self stabilizing device witch consist only three components Arduino nano, Nem24 brushless motor, and MPU6050. This time I will show you how to make a simple One axis self balancing device, which is based on …

Turn Your Old 3dprinter Into a REMOTE 4 AXIS CAMERA HEAD SLIDER

“I used to had two 3d printers, one I build my self long time ago with scrap material and a new one from a commercial brand, I do not print quite often so one printer was extra, so I decided …

DIY Portable Alarm System

“When I was a kid, there were several political murders in the ex-YU that involved people who had Surveillance Systems that mysteriously stopped recording during the event and resumed without an issue immediately afterward. Weird right? With no evidence …