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.

Building a special-function USB keypad or gaming device used to be hard work. But today between hardware and software design availability, it’s child’s play.

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 ...

It's of course backwards compatible with existing Arduino add-ons, but sets itself apart with a new USB controller with lower latency and driver-free operation on Mac and Linux.

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, ...