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    Teensy 4.1 Do pins 11+12 not work for pinMode(11, INPUT_PULLUP) ??

    Thank you it is working. I wanted the SD card so that I could allow users remap the keys on the keyboard. I added a video of what the thing looks like. On the github page if you care to see it. I appreciate you spending time on my problem, I was thinking this was going to be much larger and more...
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    Teensy 4.1 Do pins 11+12 not work for pinMode(11, INPUT_PULLUP) ??

    Sorry for the confusion folks! I was trying to boil down the code to the simplest possible version to explain my question without asking you all to dig through 600 lines of code. Someone suggested to me that I should change SD.begin(4) to SD.begin(BUILTIN_SDCARD) because "Specifying...
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    Teensy 4.1 Do pins 11+12 not work for pinMode(11, INPUT_PULLUP) ??

    Here is the code https://github.com/asdf23/svgKeyboard/blob/main/Arduino/svgKeyboard.ino If you look at lines 153-154 SwitchInfo("SWITCH_PREVIOUS", 11, DEBOUNCE_SWITCH, KEYBOARD, "1", 0, 0, 0, 0), //S3 SwitchInfo("SWITCH_NEXT", 12, DEBOUNCE_SWITCH...
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    Teensy 4.1 Do pins 11+12 not work for pinMode(11, INPUT_PULLUP) ??

    Do pins 11,12 work for pinMode INPUT_PULLUP? I have the code in a loop using various pins 10-12, 26, 29, 32-35, 40. But only pins 11, and 12 do not work simplified the code would look like this: setup() { pinMode(11, INPUT_PULLUP); } void loop() { sw3.bounce.update()...
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    Creating a usb keyboard with Teensy 4.1 and using it on windows

    I came here to get help with Teensy keyboard I've created. I'm thinking that I need to either add a udev rule or supply power to the device. After programming it I was able to use it once, but after this it didn't work. So Either I fried it or something else is going on (which is what I think)...
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