3 ms·
Piezo buzzers can be more efficient than that. This 95 cent buzzer sold by Adafruit is rated to 9V at 3mA: https://www.adafruit.com/product/1740 https://www.ada
by sbierwagen 7y ago
Piezo buzzers can be more efficient than that. This 95 cent buzzer sold by Adafruit is rated to 9V at 3mA: https://www.adafruit.com/product/1740 https://www.adafruit.com/product/1740
- jfengel 7y agoIs it loud enough? Tiles are supposed to be detectable at up to 300 feet, but that's less useful if you can't actually hear it. I don't actually know the specs they use for that. I just figured that it would take a few watts to be heard at distances over tens of feet.