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Topic: Problems programming an arduino for a CO gas sensor (Read 2523 times) previous topic - next topic

Blaze


Digital ouptut to HSW pin, digital input from ALR, power and ground.


What do you mean by what you wrote here?

Groove

Sorry, that should have said "output to HSW"
Per Arduino ad Astra

Blaze

Sorry, I don't understand the "power and ground" thing.

Groove

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.
Per Arduino ad Astra


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