{"product_id":"mq-8-hydrogen-gas-sensor-module-for-h2-detection-compoden","title":"MQ-8 Hydrogen Gas Sensor Module for H2 Detection | Compoden","description":"\u003ch1\u003eMQ-8 Hydrogen Gas Sensor Module — Detects H2, LPG, Alcohol\u003c\/h1\u003e\u003cp\u003eThe MQ-8 is a semiconductor gas sensor module designed to detect hydrogen (H2) concentrations. It is also sensitive to LPG and alcohol vapours. Ideal for DIY gas leak alarms and industrial hydrogen detection.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater Consumption\u003c\/td\u003e\n\u003ctd\u003e~150mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003e100~10000ppm H2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eAnalog voltage (0-5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarm-up Time\u003c\/td\u003e\n\u003ctd\u003e20 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003eAdjustable via potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHydrogen leak alarm for battery rooms\u003c\/li\u003e\n\u003cli\u003eDIY breathalyzer (alcohol tester)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-industrial-gas-leak-detector-kit\"\u003eKitchen gas leak detector\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pm2-5-air-quality-monitor-kit\"\u003ePortable air quality monitor\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eWorks with 5V microcontrollers like Arduino Uno, Mega, NodeMCU. Raspberry Pi requires an external ADC. Common pairings include Arduino for analog reading.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eConnect VCC to 5V, GND to ground, and AOUT to an analog input pin. The sensor draws ~150mA; ensure adequate power. Allow 20-second preheat for stable readings.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, it outputs an analog signal readable by any Arduino analog input pin. Works directly with 5V microcontrollers.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan it detect other gases?\u003c\/summary\u003e\u003cp\u003eIt is primarily for hydrogen but cross-sensitive to LPG and alcohol; not suitable for precise multi-gas measurements.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow long does it last?\u003c\/summary\u003e\u003cp\u003eTypical lifetime is about 5 years in clean air, longer if rarely exposed to high gas concentrations.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444960977261,"sku":"CDN-0392","price":110.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_57073c75-cace-43e3-88c5-22f14fd88511.jpg?v=1781512525","url":"https:\/\/compoden.com\/products\/mq-8-hydrogen-gas-sensor-module-for-h2-detection-compoden","provider":"Compoden","version":"1.0","type":"link"}