The Vibration module is based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can be adjusted by the on-board potentiometer. When there is no vibration, this module output logic LOW the signal indicate LED light,And vice versa. Application Idea Vibration detection Burglary protection system Features Normally close Digital output Supply voltage:3.3V-5V On-board indicator LED On-board LM393 chip
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