November 2014
Intermediate to advanced
400 pages
7h 30m
English
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This project is one that lends itself to the childish application of detecting farts. It uses a low-cost methane sensor to detect the presence of this gas, and it sounds a buzzer and flashes a bright LED when it is detected (Figure 31-1).

FIGURE 31-1 Methane gas detector.
To build this project, you will need the following:

In this project, all the components are mounted onto a Protoshield. ...
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