سنسور اثر هال A3144

Description Diameter : 20mm/ 0.8″ Material : Copper Main Color : Gold Tone Package : 20mm Buzzer Disc Resonance frequency:

MQ-2 Smoke Sensor MQ-2 Smoke Sensor is an original and brand new smoke and propane gas sensor. With a long

MQ-4 Methane Sensor The sensitive material of the MQ-4 gas sensor is SnO2, which with lower conductivity in clean air.

MQ2 MODULE This analog gas sensor has a small heating element with an electronic-chemical sensor. It is suitable for use