I'm husnu from indonesia. I get an examp about arduino. Anyone Help me sketch Sensor MQ7 with LED indicators. I will use 10 LED from pin 2 until the last. and how to show value of range sensor to PPM? :smiley:

Arduino Project Sensor MQ7 with LED indicator

system April 30, 2014, 6:08am 6

sorry, when I try, it doesnt work too.

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