We sure do love a good one-piece split keyboard ... kits, and bare-bones PCBs. We really appreciate that it allows for either MX-type switches or Chocs, depending on the hot swap sockets installed.
By using an Adafruit NeoKey 1×4 as the keyboard interface, the e-reader has four hot-swappable keyboard sockets with built-in LEDs. [bwkrayb] is hoping to use these LEDs to implement a front ...