Specifiaction:
Working Voltage: 3.3V or 5V
Working Current: <1mA
Operating Temperature Range: -10 ~ + 70
Interface Type: Analog Output
Item Size: 30mm x 23mm
GPIO: S; signal output, +; power supply (VCC), -; ground (GND)
S-port is connected with the controller\'s analog input pin
5V and GND are respectively connected the power supply of + 5V and GND
Input: Positive electrode of the piezoelectric ceramic
Gnd: Negative electrode of the piezoelectric ceramic
Input and Gnd are already connected with the piezoelectric ceramics\' positive and negative