[elecena] KY-037 microphone module large - zmiany ceny A Sensor with a microphone for sound detection With LM393 and Poti Adjustable Switch Contact Operating Voltage 3.3 V - 5 V KY-037 microphone module large - 3.04 EUR https://elecena.pl/product/17096860/ky-037-microphone-module-large 2020-08-04 KY-037 microphone module large - 3.20 EUR https://elecena.pl/product/17096860/ky-037-microphone-module-large 2021-09-15