Category Archives: Drexel

Topics related to my work and study at Drexel University

Z80 End-Of-Life

Posted on 2024-04-29 by M. Eric Carr

Zilog has announced that the Z80 processor will go EOL. Almost fifty years is a pretty good run, for a CPU. Continue reading →

Posted in Components, Current Events, EET325, Electronics, Lore, Nostalgia | Tagged , , , , , , , | Leave a comment

KVL and KCL

Posted on 2023-12-31 by M. Eric Carr

Kirchhoff’s Laws seem obvious, but written algebraically, they’re powerful. Continue reading →

Posted in Drexel, EET201, EET202, Electronics, Fundamentals | Tagged , , , , , , , , | Leave a comment

Mini Museum: TRS-80 Model 200

Posted on 2023-02-06 by M. Eric Carr

The Tandy 200 — the Model 100’s larger brother. Continue reading →

Posted in BASIC, Drexel, Mini Museum, Nostalgia, Tools | Leave a comment

Mini Museum: TRS-80 Model 100

Posted on 2023-02-05 by M. Eric Carr

The TRS-80 was one of the first “laptop” computers, and an amazing device for its time. Continue reading →

Posted in BASIC, Drexel, Mini Museum, Nostalgia, Tools, Toys | Leave a comment