wireless monitoring system of gas detector - Faculty of Electrical ...
wireless monitoring system of gas detector - Faculty of Electrical ...
wireless monitoring system of gas detector - Faculty of Electrical ...
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36<br />
start<br />
read the output<br />
voltage by arduino<br />
from <strong>gas</strong> sensor<br />
send data to<br />
LabView using xbee<br />
MQ6<br />
Vo > 1.67v <br />
no<br />
turn on the<br />
green led<br />
yes<br />
MQ6<br />
Vo > 2.5v <br />
no<br />
turn on the yellow<br />
led and exhaust<br />
fan<br />
yes<br />
turn on the red<br />
led and buzzer<br />
end<br />
Figure 3.13: Flow Chart for The Arduino Programming for MQ9<br />
Firstly, all the input and output pin in Arduino must be declare. Then, initial<br />
sensor value must be set as 0. The data receive from sensor can calculate in the decimal