[Facelesstech] programmed an Arduino Pro Micro to fake controller button presses. It starts with a couple of presses to identify itself to the Switch, before generating an endless stream of button ...

and the third by pushing down like a regular button. The thumb gets a 4-way joystick. All of these inputs are wired up to an Arduino Pro Micro, which has sort of become the standard for DIY macro ...

An Arduino Pro Micro is a great choice because it connects ... Add tactile keyboard switches for the buttons and a thumb-operated scroll wheel for ease of use. To keep everything organized ...