2 layers233.3 × 128.5 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the APT3216EC by Kingbright (-40℃~+85℃ 160° 20mA 2V 2mm x 1.6mm square LED 617nm 627nm 75mW 8mcd Discrete Diode Red Water Clear 1206 LED Indication - Discrete ROHS). See how each wires it, with its parts, size, README and files; the APT3216EC’s symbol, footprint and pinout are on its own page.


paulbruneau/ssio-check
A bench tester for the Bally/Midway MCR Sound I/O family: the 90908 Sound I/O and the 90913 / 91483 / 91657 Super Sound I/O (Z80, two AY-3-8910s, and all of the game's input ports).