CO2 monitoring with APEX

Harpo

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I received my APEX ASM module, Siemens QPA2000 CO2 sensor from EBAY and the RCA adapter from AMAZON. Wiring was super simple. I just need to verify the correct output is less than 5v. I will be powering this with a 24v from the 832 energy bar.
20230416_153052.jpg
 

All_talk

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Yes, Id love to see how this works out.

I know the ASM module is the only one that officially allows analog input from other sensors. But I wonder if the FFM ports could be used the same way?
 
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