The short version: Two external pull-up resistors of 10 kΩ on the PS/2 DATA and CLK signal lines (corresponding to USB signal lines D- and D+, respectively) are sufficient to interface to a PS/2-capable USB keyboard. Say, to get a macro …

PS/2 support on modern USB keyboards Read more »

The short version: With default BIOS settings (which enable USB 3 ports) for the Gigabyte GA-970A-DS3P motherboard, the USB 2 ports do not work (at least in Linux), only the two external USB 3 ports. In Linux, the GRUB configuration parameter “GRUB_CMDLINE_LINUX” …

Enabling both USB 3 and USB 2 ports for the ‘Gigabyte’ GA-970A-DS3P motherboard Read more »

The short version is that a 17 ms delay between each key action (press or release, normal key or modifier key) for an Arduino-based keyboard will solve most problems. At this point, there isn’t any known solution for USB 3 ports, …

Blues typing out fixed texts on both QMK and Arduino Leonardo-based macro keyboards Read more »

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