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On my “bucket list” was building a 4004 single board computer. I’ve collected the parts over the years but have tried to use them and generally failed. Over the last few years, Github projects popped up that made this fairly easy and productive. I couldn’t decide which to build so I wire wrapped...

I'm not sure how people on this board feel about emulators, but... I have been spending the evening playing with the LILYGO TTGO VGA ESP32 Module V1.4 and FAB-GL, a very nice Arduino library and it's "demo" IBM-PC emulator. Let me say, that for $18 and some stuff virtually everyone reading this...

i built a few boards about 20 years ago that demo'ed the 8008 and the 8080 with scrolling descriptions of the chips. I pulled these out of storage to look at while I was building new 4004 and 4040 hardware. They didn't seem to want to reset anymore. It turned out that although my wire-wrapping...

Many years ago, I purchased some white UVEPROMS cheap that look a lot like Intel 2708's from the packaging. The seller thought that they were 1702A's but wasn't sure. The problem is, other than a datecode (7829) on the bottom, they are completely unmarked. I am fairly certain that they were not...

One of the more satisfying projects that I did this year was to modify an earlier project (described at http://www.vcfed.org/forum/showthread.php?60670-Tiny-Wireless-8008-Emulator) so that it could be standalone. With just the ESP8266 (ESP-12E, ~3-4USD) and a few other components, this has...

So, I was playing with my VT320 terminals that I painted and cleaned a few years ago. One worked very well, but one was dim even when turned up to max brightness. Both had burned amber CRT's. I thought that it was now or never on the CRT's, so I searched around for replacements. I ordered a few...

I just finished this up well enough to show: https://hackaday.io/project/28227-esp8266-based-i8008-emulator This is an ESP8266-based Intel 8008 emulator, running SCELBAL and the Shooting Stars game from flash. It's only about 1" x 2" x 1.5" in size, and housed in a dollhouse-sized walnut case...