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

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 ...

Figure an Arduino most matches the "Other ... Note: You can't really use PWM to vary the volume of a buzzer. I think it has something to do with the oscillator. For example, at 192 (75% duty ...