Here is the SCELBI input card – ready to go. The SCELBI instructions were fine. The 65 10K ohm resistors take a while to solder in, but otherwise it is a very straight forward process. It draws around 200 milliamps in static, standalone condition.

SCELBI Input Card

Next up is 1 bank of 8 SRAM sockets on an SRAM card. Soon after that, I’ll be manipulating toggle switches!