M656 Sound detection sensor module for arduino

Description

• 100% Brand New and High Build Quality
• Main Chip: LM393, Electret condenser microphone
• Signal output indication
• Single channel signal output
• The output effective signal is low level
• with a precision potentiometer adjustable sensitivity adjustment
• When there is sound,output low level and the signal lights
• Can be used for Acoustic control light; give sound and light alarm working with Photosensitive sensor
• Note:The Maximum induction distance is 0.5M