MQ-8 เป็นเซนเซอร์วัดก๊าซไฮโดรเจน (Hydrogen Gas Sensor) มี Output ให้เลือกใช้งานทั้ง Analog และ Digital โดยมี Potentiometer เป็นตัวกำหนดจุดทำงานในการอ่านค่าเซนเซอร์แบบ Digital โมดูลใช้ไฟเลี้ยง 5V

This is a simple-to-use (hydrogen gas) sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm.
This sensor has a high sensitivity and fast response time. The sensors output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC


Features :
- Operating voltage: DC 5V
- Dual signal output (TTL level output and analog output)
- TTL output valid signal for low level. (when the low output electric signal lights at 4. ordinary times, can be directly pick up SCM)
- Analog output voltage: 0V to 5V
- Digital Output Voltage: 0V or 5V (TTL Logic)
- High sensitivity to hydrogen
- Can be resistant to ethanol steam, LPG (petroleum), smoke interference
- Has a long service life and reliable stability
- Quick response recovery feature
- Dimension (mm) : 32 (L) x 22 (W) x 27 (H)
- เอกสารเพิ่มเติม
- MQ8 Datasheet