RocketBoots, 1 year ago (edited 1 year ago) Top is a relay, bottom is a capacitor. Thanks! The sound you’re hearing is probably from a piezo buzzer like some one else mentioned. I wish I was home so I could send you a picture of one. They can be really loud!
Top is a relay, bottom is a capacitor. Thanks! The sound you’re hearing is probably from a piezo buzzer like some one else mentioned. I wish I was home so I could send you a picture of one. They can be really loud!