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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 sensor’s 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.
Datasheet: https://cdn.sparkfun.com/datasheets/Sensors/Biomet...
The price of MQ-8 Hydrogen Gas Sensor (Sensor Only) in Sri Lanka is Rs 310 at 1 shop.
37left.lk lists MQ-8 Hydrogen Gas Sensor (Sensor Only) prices from 1 shop in Sri Lanka on one page.
Yes, MQ-8 Hydrogen Gas Sensor (Sensor Only) is available in Sri Lanka at 1 shop.