Rctimer crius aiop v2 External mag? - RC Groups
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Sep 12, 2013, 08:48 AM
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Bking1340's Avatar

Rctimer crius aiop v2 External mag?

Good day all
Can someone please give me a link or advice how to disable the onboard mag on a rctimer crius aiop v2, installing a external mag and what code to change in multiwii and megapirateng?
I have searched the net, but could not retrieve a definate awnser.
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Sep 13, 2013, 12:31 AM
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Bking1340's Avatar
Sep 14, 2013, 02:34 PM
The geek in Rotorgeeks
I also bought an external mag and plan on doing this. Perhaps some of the info in this post will be useful https://www.rcgroups.com/forums/show...postcount=5123
I think we must pay attention to voltage - I believe the I2C provides 5v and depending on your mag, it might be ok or might need 3.3v.

I noticed in the RCTimer description it says ĚSelect jumper for choose internal or external magnetometer

I'm sure we can figure this out if we can't find someone who has.

-edit- just found this https://www.rcgroups.com/forums/show....php?t=1879327
Last edited by dklein; Sep 14, 2013 at 02:47 PM.
Sep 15, 2013, 12:24 AM
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Bking1340's Avatar
Someone helped me out. It seems like you need to cut the trace at SJ2 and SJ3.
I`m using a external ubec with jumper removed and I measure 4.98v at the i2c port, so you need a 5v external mag. I see most are rated 3v-5v on ebay and some are 2.6v-3.6v.
I ordered 2 mag`s yesterday and will try to get it to work when it arrives.

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