Features
It can detect the intensity of ambient sound, using Note: This sensor can identify the presence or absence of sound (based on vibration principle) does not recognize the size of the sound or specific frequencies of sound
Adjustable sensitivity (shown in blue digital potentiometer adjustment)
Can detect the intensity of ambient sound, using Note: This sensor can identify the presence or absence (according to the vibration principle) size does not recognize the voice or sound of a specific frequency of sound
Adjustable sensitivity (shown in blue digital potentiometer adjustment)
Operating Voltage 3.3V-5V
Output in the form of digital switching output (0 and 1 high-low)
Has a fixed bolt hole for easy installation
Small plates PCB size: 3.2cm * 1.7cm
Module wiring instructions
VCC 3.3V-5V external voltage (which can be directly connected with 5v and 3.3v MCU MCU)
GND External GND
OUT small plates switch output interfaces (0 and 1)