Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got ...

Arduino projects can help ease the learning curve of getting into programming, and even add some smart functionality to your everyday tasks around the house.

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

Keeping track of things like the temperature, humidity, and smoke level in your house is important. If you want to make your own system for doing so, ...

When reed switch is opened, pin 2 of Arduino goes high with the help of the pull-up resistor R2, and the alert signal is available through the piezo-speaker PZ1 (not an active piezo-buzzer). At the ...

Put aside all of the projects that use an Arduino to blink a few LEDs or drive one servo motor. [IngGaro]’s latest project uses the full range of features available in this versatile microcon… ...

However, if you’re just looking to catch a sandwich thief at work or a cat spilling over all you water bottles, then Make shows you how to build an alarm system with an Arduino and a USB camera.

Rather than just having an annoying buzzer, not unlike the sound of creeping death to wake you up, it has a big, red, flashing light.

CUI Devices has announced a line of medical buzzers compliant with IEC 60601-1-8 alarm signal requirements. There are four CPIM-4410-80x buzzers, with a letter replacing the ‘x’ depending on function: ...