Deskripsi Modul Microphone KY037 LM393 Sensor Suara For sound detection module has two outputs:
1. AO, analog output, real-time output voltage signal of the microphone 2. DO, when the sound intensity reaches a certain threshold, the output high and low signal Module features: 1. there is a mounting screw hole 3mm 2. the use 5v DC power supply 3. with analog output 4. there are threshold level output flip 5. high sensitive microphone and high sensitivity. 6. a power indicator light 7. the comparator output is light