#Piezo Knock Sensor A piezo disc works when an electric field (voltage) is applied across ceramic material in the disc, causing it to change shape and therefore make a sound (a click). The disc also ...
This IoT project offers a cost-effective, DIY security solution using a knock sensor to detect high-pitched sounds and trigger notifications via email and SMS. Built with Arduino and Python, it serves ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback