APPLE CRAPPLE

With just one weekend left of RetroChallenge 2019, it was becoming clear that I was running out of time. Only extraordinary luck would allow...

I wish I had fun things to report, but I am just doing tons of point to point soldering on the SUPERPROTO card, and the Keypad/LED main boar...

Here is the halftime status for my RetroChallenge 2019/03 project "KIM-2e" a KIM-1 simulator for the Apple //e . To review, I am...

I had some time to test out my LED modules, only to discover that the pinout I used was not correct. I assumed the common anode was on pins...

I finished soldering up my adapter board this weekend and cut off 2 unused rows to save space, but quickly realized that I need to make som...

The common anode 7 segment LEDs arrived from China yesterday, so I started assembling some modules that include the resistors and transisto...

My SuperProto card arrived this weekend from the Russian Federation. I plan to modify it for the foundation of my KIM-2e card. The SuperPro...

Since I didn't think I would have time to build the keypad or display, obviously I had to spend the weekend making a keypad. The SuperPr...

RetroChallenge Updates: Check out all of my RetroChallenge 2019/03 posts and updates. RetroChallenge Goals: Finalize Apple II+ 128K RAM...

Notes for requirements for Kim-IIe card... (AIIe = Apple IIe). I am making updates to this as I think things out... Requirement Strategy ...

Feeling moved by some of the KIM-1 RetroChallenge entries, I had a thought last weekend: could I design an Apple IIe expansion card that ac...