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TCRT5000 Infrared Reflective Line Tracking Sensor Module $1.50

MQ-8 Hydrogen Gas Sensor Module

$3.90

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.

Usually ships in 2 - 3 days
  • Description
Description

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.

Suitable for hydrogen leak monitoring. Are not subject to ethanol vapor, soot, carbon monoxide and other gases interference.

Module Features:

1. With a DO switch signal (TTL) output and AO analog signal output;
2.  TTL output valid signal is low.
3. The analog output voltage higher when the concentration is higher.

Electrical properties:

Input voltage: DC5V power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V

Note : 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.

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