This year, the Supercon badge goes analog! (Or at least fakes it pretty convincingly.) Taking inspiration from the phosphor scopes of yesteryear, the 2023 Vectorscope badge is part analog audio ...

This project is a remake of Radio-86RK - a soviet ham radio computer. The original design was published in Radio Magazine, an amateur radio and DIY electronics oriented publication, starting from ...

Click here for the "production" version of this card. Building a hard drive controller card for my TI-99/4A has long been a dream of mines. Unfortunately, it was far beyond my abilities. And yet, here ...

This page lists the parts needed by the TTL buffer boards for use with the 6-12 bit boards (by IanB) These boards are not essential as you can connect directly to the 12 way header on the main board.

It’s laced together with a 74LS08 AND gate chip, along with a handful of resistors and diodes. Three bits are used for red, green, and blue, respectively, with the fourth used as a “white ...

Shown here is a 1.5 Megabytes Horizon Ramdisk 3000, with RAMBO board installed. All chips are socketed except on the RAMBO board. Previous versions of this board may look differently. Also, different ...