A
Anonymous
Apr 10, 2026
Rating: 3/5
Calibration needed
Had to spend time calibrating the potentiometer. Works now.
Description
Tmall 14-Year Store Risym Weixin - High-Quality Best Seller
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Brand | Risym |
| Model Number | MQ-8 |
| Detection Target | Hydrogen Gas |
| Operating Voltage | 5V DC |
| Output Interface | Digital DO and Analog AO |
| Connector Type | 4-Pin Header |
| Sensitivity Adjustment | Onboard Potentiometer |
| Warm-up Period | 24 to 48 Hours |
| PCB Substrate | FR-4 Material |
| Item Weight | 12 Grams |
5 reviews
A
Anonymous
Mar 28, 2026
Rating: 4/5
Good sensor
Sensitive but takes time to warm up. Good value.
A
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for Arduino
Works exactly as described. Easy to interface with my Uno board.
A
Anonymous
Feb 09, 2026
Rating: 5/5
Fast shipping
Arrived well packaged. Sensor responds quickly to gas.
A
Anonymous
Feb 05, 2026
Rating: 5/5
Great quality
PCB looks solid. Soldering points are clear.
5 FAQ
Q: How many pins does it have?
A: It features a 4-pin header interface.
Q: What voltage does this require?
A: It operates on 5V DC.
Q: Is it Raspberry Pi compatible?
A: Yes, via analog or digital pins.
Q: Does it need warm-up?
A: Yes, 24-48 hours for stability.
Q: Can it detect natural gas?
A: It is optimized for Hydrogen.
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