A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

This is an application note of Microchip’s USB keypad reference design. It covers the demonstration highlights of USB keypad, the procedure of using the USB keypad, the hardware layout, the block ...

There are a ton of applications that we use that can benefit from keyboard shortcuts, and we use ’em religiously. Indeed, there are some tasks that we do so often that they warrant their own physical ...

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 ...