This is an original first edition, first printing of Build Your Own Universal Computer Interface by Bruce Chubb, published in 1989 by TAB Books (Book No. 3122). Spanning 332 pages, this technical manual provides exhaustive guidance on creating hardware interfaces for various personal computers of the late 80s. It features comprehensive technical illustrations, schematics, and programming examples aimed at advanced electronics hobbyists and engineers looking to expand their computer's physical control capabilities.

Manufacturer: TAB Books Inc.

Condition: Used (Moderate wear to the dust jacket; features a green identification label on the back; see pictures for true condition)

Model Number: ISBN 0830631226 / TAB Book No. 3122

Extra Notes: Bruce Chubb is a highly respected figure in the model railroading and computing communities, known for his work on the C/MRI (Computer/Model Railroad Interface). While this book has broad industrial and hobbyist applications, it is particularly sought after by vintage model railroad enthusiasts who use these specific interface designs to automate complex layouts.

Manufactured In: USA