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 ...

To learn more about the Butler Arduino programme manager project play the promotional ... an active buzzer, a 16×2 LCD, a real-time clock with SD card socket for data logging, a microphone ...

Each buzzer consists of an Arduino Pro Mini 3.3 V, a nRF24L01, and of course a big pushbutton on the top. Each one is powered by a 110 mAh 3.7 V LiPo battery, though ...

Your Arduino gets bored to death with such a simple task. A 74HC573 latch would have done the same, doesn’t need programming and just costs a few cents.

The official Arduino IDE is a dour piece of software designed for uploading code to the ubiquitous and super-cool micro controller. It is a standalone, non-networked app that isn't very pretty to ...