This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

The base unit houses an Arduino board which polls the buttons ... of this setup is the ability to choose from 30 different buzzer sounds. There are several other quiz buzzer projects kicking ...

Figure an Arduino most matches the "Other" category ... but much lower and the buzzer wouldn't sound. For now, I'm trying to find a way to make the buzzer a bit louder. It will be working as ...

Another element that we are going to use on this experiment is Piezo Buzzer. So what is it ? It’s an electronic device commonly used to produce and signaling a procces that is happening through a ...