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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
MQ 5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module 3 Channel Digital Subwoofer Amplifier Board Important: Always use a Battery Important: Always use a Battery Management System (BMS) for charging and discharging lithium ion cells safely WS2812 64 Bit RGB LED Matrix ~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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