deskthority

I depopulated it though with my desoldering station so it was just the bare PCB. I really didn't like the idea of cutting up the PCB and so this way, if somebody wanted to put it back to original, they could. I converted this keyboard though because the stock controller didn't work. It was this, or ...

pandrew helped me offline, I ended up building another controller (I had ordered multiple PCB's) and I got the one I built today working great. In fact, I'm typing this in on the model F. I'll spend some time to see if I can figure out what is wrong with the other controller - I'm curious more than ...

ok, I hooked up my scope. CH1 is on Row 1, CH2 is on Column 1

Here is a steady state capture:
Here is with my finger pressing down on the pad which would be F1:
So the PCB is at least responding..

Here is the screenshot of the Keyboard monitor:
Here is a picture of the controller:
Here is a picture of the PCB
I have good continuity of ground throughout the setup.

I have a question for everybody - I built one of these and had my F working for about 2 minutes, now it's not registering any keypresses at all anymore - even in the keypress util, it's got a threshold of 96 and all keys are "never pressed". Are there any debugging ideas anybody may have? I've ...