Qwiic Shield for Arduino and Artemis redboard

Qwiic Shield for Arduino and Artemis redboard#218242

By vinthewrench - Thu Aug 20, 2020 3:38 pm

- Thu Aug 20, 2020 3:38 pm #218242

has anyone tested this https://www.sparkfun.com/products/14352
with this https://www.sparkfun.com/products/15444

can the Qwiic Shield work with the Artemis redboard? or is do I need to short out the logic converters?

Re: Qwiic Shield for Arduino and Artemis redboard#218248

By liquid.soulder - Thu Aug 20, 2020 11:01 pm

- Thu Aug 20, 2020 11:01 pm #218248

The Artemis RedBoard already has a Qwiic connector onboard. Since the connectors on the Qwiic shield are all on the same I2C port there is little advantage to using it. Most Qwiic sensors have two Qwiic connectors so that you can daisy-chain multiple together

Re: Qwiic Shield for Arduino and Artemis redboard#218256

By vinthewrench - Fri Aug 21, 2020 7:51 am

- Fri Aug 21, 2020 7:51 am #218256

I understand, it had more to do with physical layout .. orginally the problem was that I bent one of the pins -- sigh and couldnt chain.

but back to the orginal question, I suspect I need to remove the 3v level converter on SDA/.SCL? is that correct?

Re: Qwiic Shield for Arduino and Artemis redboard#218258

By liquid.soulder - Fri Aug 21, 2020 10:38 am

- Fri Aug 21, 2020 10:38 am #218258

Yes - you could either bypass the level converters (not sure how hard this would be - depends on your soldering skills) or you could probably change the pullup resistors on the high (artemis redboard) side from 5V to 3.3V - also dependent on soldering skills.

If you don't then most likely those pullups will be exposing the Artemis pins to 5V which is not in spec

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