My loss is your gain: had to patch another Fomu. For multiple reasons USB D- wasn't connected (D- pogo pin in wrong location / D- solderball not connected) and so I made another sample to help locate the test jig issue. This time I bypassed an eyepiece to film it - enjoy!
pic.twitter.com/YODk2qtJQx
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Replying to @bunniestudios
How many fomu boards are having this issue? Is it a problem with the board layout or something else?
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Replying to @stffrdhrn
My understanding is it is a small design error in the pre-production run. The intent of the rework is to 100% validate all the other aspects of the design before doing a volume rev for mass production.
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Replying to @bunniestudios
I see,
@xobs and@mithro showed me one some time back, I thought they were ready. It's not always that simple I guess.1 reply 0 retweets 0 likes -
There are two versions of the Fomu. This one is the production version that uses higher end processes to enable things like multiple part choices, standard footprints and ESD protection. The existing hacker version we showed you is simpler but less long term reliable.
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Replying to @mithro @stffrdhrn and
But it seems I have to patch the one I have? It looks like the pre production batch one.. :(
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I'm /pretty/ sure nobody outside of Singapore has this exact model because these are hot off the factory line as of like a week ago... but @xobs can confirm.
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