Hi, I need my Arduino Pro Micro to send a "space" key to the PC with HID. It works fine, but only after upload. When I plug in my Pro Micro and toggle the button, nothing happens. But when I upload the sketch to the board, then toggle the button, the pro Micro sends the space key. Where is my mist…

HID: Only works after upload

pert May 29, 2018, 1:58pm 2

Do you have a pull-down resistor on your button?

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