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I/O Expander Limits

g4+ atomizor

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The ECUmaster CAN switchboard is a decent option.  It has 4 outputs, 8 analog inputs, 8 switch inputs (only limited options what youy can use the analog inputs for in G4+):  https://www.ecumaster.com/products/can-switch-board/

It doesnt come with a case as its designed to be mounted in a steering wheel but you can put it in a small electronics box or just large glue lined shrink over it.  


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  • 2 weeks later...

You can only do on/off type functions, not PWM via CAN with G4+.  

If you need PWM you could possibly move something simple like fuel pump or fan from the ecu output to the CAN device to free up PWM outputs on the ecu.

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  • 1 year later...

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