Piezo sensor in project


I want to know if I can use piezoelectric element for a project using bolt module


Yes u can use this Sensor as an Analog Input device


Yes you could use piezoelectric device as analog input device.Even you can use for detecting the tones like "knock knock " of certain intensity and do remember that piezoelectric device have polarity.


Yes, You can use it as a Alerting device((buzzer) for your project like an alarming system.