







The MQ-8 Hydrogen Gas Detector Sensor Module is a reliable and easy-to-use gas sensing device designed to detect hydrogen (H₂) concentrations in the air. Operating within a detection range of 100 to 1000 ppm, it provides both analog and digital outputs for flexible integration with microcontrollers and embedded systems. The module features an adjustable sensitivity threshold using an onboard potentiometer, allowing users to customize alarm levels according to their application requirements. Powered by a 5V DC supply, the MQ-8 sensor is ideal for hydrogen leak detection, industrial monitoring, safety systems, and educational projects.
تُعد وحدة استشعار غاز الهيدروجين MQ-8 مستشعرًا موثوقًا وسهل الاستخدام، مصممًا للكشف عن تركيزات غاز الهيدروجين (H₂) في الهواء. تعمل ضمن نطاق كشف يتراوح بين 100 و1000 جزء في المليون (ppm)، وتوفر مخرجًا تناظريًا ورقميًا لسهولة التكامل مع المتحكمات الدقيقة والأنظمة المدمجة. تحتوي الوحدة على مقاومة متغيرة مدمجة لضبط مستوى الحساسية والإنذار بسهولة وفقًا لمتطلبات التطبيق. تعمل بجهد 5 فولت تيار مستمر، مما يجعلها مناسبة لكشف تسربات الهيدروجين وأنظمة السلامة والمراقبة الصناعية والمشاريع التعليمية.
The MQ-8 Hydrogen Gas Detector Sensor Module is specifically designed for detecting hydrogen gas (H₂) in various environments. Built around the reliable MQ-8 gas sensing element, this module offers accurate monitoring of hydrogen concentrations ranging from 100 ppm to 1000 ppm.
The module features both analog and digital outputs, providing flexibility for different applications. The analog output delivers a continuous voltage signal proportional to the detected gas concentration, while the digital output generates a LOW-level TTL signal when the gas concentration exceeds a user-defined threshold.
An onboard potentiometer allows easy adjustment of the digital output sensitivity, enabling customized detection levels for specific safety requirements. With its 5V DC operating voltage and simple interface, the MQ-8 module can be easily connected to Arduino boards, microcontrollers, Raspberry Pi systems, and other embedded platforms.
This sensor is widely used in hydrogen leak detection systems, industrial safety equipment, gas monitoring devices, and educational electronics projects.
| Parameter | Specification |
|---|---|
| Product Name | MQ-8 Hydrogen Gas Detector Sensor Module |
| Sensor Type | Hydrogen Gas Sensor |
| Main Chip | MQ-8 |
| Target Gas | Hydrogen (H₂) |
| Detection Range | 100 – 1000 ppm |
| Operating Voltage | 5V DC |
| Output Types | Analog Output (AO), Digital Output (DO) |
| Digital Output Logic | TTL LOW when threshold is reached |
| Sensitivity Adjustment | Onboard potentiometer |
| Interface Compatibility | Arduino, microcontrollers, embedded systems |