geekhack
geekhack Projects => Making Stuff Together! => Topic started by: emenelopee on Thu, 07 December 2017, 19:08:42
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Hive mind, I put together a gherkin board for ****s and giggles, and I now find one key doesn't work. With the cable on the right, it's the second key from the right, middle row.
I have a feeling it's some careless dremelling cutting through a trace, the problem is it's under the ProMicro which is of course soldered onto the board. I have ordered a 24 pin socket to help debug and fix the trace (if needed) however I have no idea how to take the ProMicro off without going doing more dremmelling. Any advices?
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You could always do this: t=6s
I built a macro pad and all but one switch worked and this easily corrected my problem and is pretty easy to do.
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I think the problem is that the promicro is mounted over the solder points for that key/switch, so it's not possible to get to those traces/points to solder to, without removing the controller first. Sounds like a lot of desoldering ahead :(
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I think the problem is that the promicro is mounted over the solder points for that key/switch, so it's not possible to get to those traces/points to solder to, without removing the controller first. Sounds like a lot of desoldering ahead :(
^this^
EDIT: the only thing I can think of is to cut through the headers with a dremel and hope I don't destroy the board or the controller before I rebuild, and the board can be fixed in its current state. Or just offer it to the gods of failed tinkering and be done.
EDIT2: I get the neatness of placing the controller over the switch but goddamn is it a fragile solution. I've now learned to always use sockets in cases like this.