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Show Notes
Dan just dropped a new PR with our event-based key switch vector/matrix handling all done in the CircuitPython core https://github.com/adafruit/circuitpython/pull/4891 which will make keyboard projects a lot easier and a TON faster. Matrix/vector scanning is now done in a background interrupt and can handle all the work for you and emit key press/release events. Here I've got it on our Macropad, which has 12 keys - one on each GPIO so its a 'vector' keypad. The code is now twice as fast since we're no longer spending 4ms just for checking whether switches are pressed!
#adafruit #circuitpython #keyboards
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