Duration: 32:52

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In this video I show how to wire up a mq-5 sensor to detect propane leaks.
with a micro controller and without.
Using a arduino nano is actually over kill as a smaller processor would be better.
but these days the price is so cheap for the all in one board and i have plenty on hand.
but a micro chip with 4 legs would probably be good enough.


package... includes Arduino 1.8.2
https://drive.google.com/open?id=1-_gPFhaDWaGu98lxTO_l0ZaFSeegOL_u


Arduino .software
https://www.arduino.cc/en/Main/Software


Product links
https://goo.gl/FNUEJk // jumper wire's
https://goo.gl/R5eaNj // alarm buzzer
https://goo.gl/3Hs7WZ // arduino nano
https://goo.gl/rRCXGE // mq-5
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