Tinyiox

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Tinyiox

Postby Dgus » Thu Nov 09, 2017 3:49 pm

Hi, I am running a MS3Pro and a Tinyiox. My question is, is it preferred to ground the Tinyiox to the same engine bolt as the MS3Pro or should the Tinyiox be ground to the sensor return? I am using VREF from the MS3Pro to power the Tinyiox if that matters.
Thanks

Dino
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Re: Tinyiox

Postby racingmini_mtl » Thu Nov 09, 2017 5:26 pm

I was going to say that either will work because that would be true on the MS3 board. However, I don't know the board layout of the MS3Pro so it might be better to ask DIYAutotune.

Normally, the preferred method is to use the same ground as the 5V supply which would be closer to the sensor return when using Vref but I don't know how much current capacity it has on the MS3Pro and what you intend on using on the TIOx.

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Re: Tinyiox

Postby jsiedlicki » Fri Nov 10, 2017 3:31 pm

I have the same setup and used the 5V ref and Sensor Ground from the MS3Pro, all works fine. The MS3Pro can handle up to 500 ma on the 5V ref.
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Re: Tinyiox

Postby Dgus » Tue Nov 21, 2017 10:48 pm

Thank you for the info. I Thought it would be best the share the same ground as the supply voltage so I connected it to the sensor return. Less chance of a ground loop and injecting noise. But I wasn’t sure if my theory was correct.
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