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 ...

CUI Devices’ Audio Group has developed a 3.2mm x 3.2mm magnetic transducer buzzer, making it among the smallest micro buzzers currently on the market. The CMT-322-65-SMT-TR features a low profile of ...