Industrial Grade Onboard Noise Sensor Module 30Db~130Db Sound Sensor With TTL/RS485 Interface 4.5V~5.5V/10~28V Decibel Tester
Industrial Grade Onboard Noise Sensor Module 30dB~130dB Sound Sensor with TTL/RS485 Interface 4.5V~5.5V/10~28V Decibel Tester