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MQ 5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module TEC1 12715 Peltier Module and peripherals without level shifters and peripherals without level shifters sealed sensor probe can be submerged in liquids or placed in humid environments for accurate readings ~60 seconds for subsequent use Comparator Chip LM393 dual comparator for stable digital output Indicator LEDs Power LED + Digital Output Trigger LED Sensitivity Adjustment Onboard potentiometer for digital threshold tuning Operating Temperature 20 degreesC to +50 degreesC Interface Pins VCC Project Ideas
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