Adding USB functionality to your Arduino projects used to be a pain, but thankfully, the V-USB project came along and gave your ATMEGA328 the ability to control the USB lines directly and mimic ...

For example, take the lengths to which [rehsd] was willing to go in order to support standard USB mice on their 6502 machine. Code for mapping mouse movement to digital output.

If you are searching for a fully featured USB programmable keypad for your PC you may be interested in the Adafruit MacroPad RP2040 starter kit which is now available to purchase direct from the ...

35 x 20mm 50 x 25mm 65 x 30mm “The sizes have been chosen after customer consultation to provide prototype builders and small volume OEMs generous room for their PCB,” said Hammond. Called 1551USB, ...