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8devices Community :: View topic - Carambola2 stuck during boot sequence
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Carambola2 stuck during boot sequence
https://www.8devices.com/community/viewtopic.php?f=13&t=916
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Author:  NathanMingam [ 09 Oct 2015, 16:14 ]
Post subject:  Carambola2 stuck during boot sequence


Author:  joky [ 02 May 2016, 10:47 ]
Post subject:  Re: Carambola2 stuck during boot sequence

Hi,
did you found any solution?

Just soldered my first sample out of a 20-pcb production and, in comparison to the hand made prototype, it fails also during caraboot "net".

regards

Author:  joky [ 03 May 2016, 05:35 ]
Post subject:  Re: Carambola2 stuck during boot sequence

If anyone sees the same issue:
Check your GPIO-pins: Some of those are required to be LOW or HIGH during bootstrap. AFAIK a floating GPIO is ok (internal pull-up/down).

In my case I used an external circuit on GPIO17 which pulled-down to GND (instead to pull up to 3V3)

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