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Author: MikroElektronika Team
Last Updated: 2014-12-30
Downloaded: 1458 times
Followed by: 2 users
This example demonstrates usage of the Hydrogen click board in mikroBUS form factor. Hydrogen click is suitable for detecting Hydrogen concentration - Hydrogen checker. LCD shows PPM value of Hydrogen concentration.
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Front and back side appearance of the Hydrogen click Board.View full image
Hydrogen click can detect hydrogen levels in concentrations from 100 to 10000ppm. The MQ-8 hydrogen sensor has a sensor layer made of tin dioxide (SnO2), an inorganic compound which has lower conductivity in clean air. The conductivity increases as the levels of hydrogen rise. Hydrogen click also contains a potentiometer that lets you adjust the sensor for the environment you’ll be using it in. For precise calibration the sensor needs to preheat (once powered up, it takes 24h to reach the right temperature.) Hydrogen click is designed to use a 5V power supply only.
Examples are written for :
- EasyPIC7 - PIC18F45K22
The schematics of the Hydrogen click board.View full image