wheelwriter 6783 Conversion to USB


07 Nov 2020, 00:53

I found a nice little wheelwriter and I am in the process of following a guide to convert it USB. I am new to teensy, but I believe that I have everything all correct. The strange thing is that none of the buttons work correctly. Most don't work at all and the ones that do have the wrong letter or command. I am confident in my soldering connections on the teensy 2.0. so I am not really sure what I should do from here. I could really use some advice on what I should do from here on.




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07 Nov 2020, 06:08

Image links are super busted so we aren't really able to diagnose the issue you are having.


07 Nov 2020, 17:32

Hmm? They work for me , but I will.just add them as attachments.
BB0A14A6-B9E2-412D-826C-35C6D01BDAC7.jpeg (3.23 MiB) Viewed 196 times
8F76530A-8EFB-49F4-A192-8940978BC561.jpeg (2.88 MiB) Viewed 196 times
11D44E37-5885-404F-B3E4-224A0CB9C1D0.jpeg (2.13 MiB) Viewed 196 times
6881E489-18E0-4FA3-AE29-DAE712BB9D43.jpeg (2.09 MiB) Viewed 196 times

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12 Nov 2020, 06:14

Those broken image links from your first post? They look like they're pointing to Gmail attachments, might work for you because you have a valid Gmail session in the browser you're using.

That pin close to the switch has a scary large blob of solder, is that shorting anything?

Does the controller respond as expected if you test positions in your matrix by directly shorting them?

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