For discussion of Speeduino compatible boards designed / built by other members of the forum and for guidance around making such a board
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By Mr_Hypnotic
#45700
I believe speeduino can only utilize one wideband. Some boards have provisions for extra analog signals that you can access via tuner studio. I am not sure about extra inputs on the NO2C. It is a small board. :D
By dazq
#45702
Any version of board that had a spare analog input possible can run a second O2 sensor.
Just match the circuit the master O2 uses for the second one.
Be aware you can only view and log via TS the output of the second O2 it is not used in any way by speedy.

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