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OpenMV Cam H7 Plus DPDT Switch Alcohol Vapors Operating Voltage 5V Alcohol Vapors Operating Voltage 5V DC Output Type Analog (AO) + Digital (DO) with adjustable threshold Onboard Comparator LM393 with potentiometer for sensitivity adjustment Detection Range 25 500 ppm (varies by target gas) Preheat Time ~20 seconds for stable readings Digital Output Indicator LED indicator for threshold trigger Power Indicator Onboard power LED Mounting 4 mounting holes for easy installation Interface Pins VCC Test: Power on the LED should emit a bright Its MicroPython based firmware provides an intuitive programming environment while maintaining access to low level hardware acceleration through optimized C libraries 2MP High Resolution Sensor: OV7725 CMOS sensor captures 480x320 pixel images at 30 frames per second
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