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Description: 1. Overview: MQ-8 is a gas sensor module specifically designed for hydrogen gas detection in Internet of Things (IoT) projects and various applications. It's an essential component for monitoring hydrogen concentrations in industrial processes, laboratories, or home energy systems. 2. Working Principle: The MQ-8 module uses a metal oxide semiconductor sensor to detect hydrogen gas. When hydrogen molecules come into contact with the sensing element, an electrochemical reaction occurs, changing the electrical resistance of the sensor and triggering a signal. 3. Operating Conditions: The MQ-8 module operates between temperatures ranging from 0°C to +50°C, ensuring optimal performance in diverse environments. The recommended working humidity is below 90%, but it can still function under extreme conditions. 4. Sensitivity: With a high sensitivity to hydrogen gases, the MQ-8 module can detect as low as 100ppm of hydrogen concentrations, making it suitable for applications where precise a
| Specification | Details |
|---|---|
| Specification | Detail |
| Sensor Type | MQ-8 Catalytic Combustion type |
| Detection Range | 0 - 1000 ppm (parts per million) |
| Sensitivity | High sensitivity for H2 gas detection |
| Response Time | About 10 seconds |
| Working Temperature | -20°C to 50°C |
| Operating Voltage | DC 5V Current: about 30mA @5V |
| Power Consumption | 0.4W @ 5V |
| Output Signal | Analog voltage output (0-1V) |
| Interface Type | TTL level compatible with Arduino |
| Dimensions | About 35mm x 20mm x 15mm (LxWxH) |
| Weight | About 10g |
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