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Author Topic: Problems programming an arduino for a CO gas sensor  (Read 945 times)
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Blaze
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« Reply #15 on: February 21, 2011, 03:23:21 pm »
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Quote from: Groove on February 21, 2011, 03:20:33 pm
Digital ouptut to HSW pin, digital input from ALR, power and ground.

What do you mean by what you wrote here?
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Groove
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« Reply #16 on: February 21, 2011, 03:24:24 pm »
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Sorry, that should have said "output to HSW"
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« Reply #17 on: February 21, 2011, 03:27:54 pm »
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Sorry, I don't understand the "power and ground" thing.
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« Reply #18 on: February 21, 2011, 03:29:29 pm »
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You need to connect a 5V supply (power) capable of supplying > 160mA, and you need to connect the ground pin on the sensor board to the ground (GND) on your Arduino.
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« Reply #19 on: February 21, 2011, 03:38:29 pm »
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I see. Thanks.
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