Category Archives: EET325

TTL debugging techniques

Here are some of the most common reasons why a digital circuit might not work, along with tips on how to diagnose the problem. Continue reading

Posted in Design, Digital, EET205, EET325, Electronics, HOW-TO | Leave a comment

Z80 delay loops

The “spinloop” is a useful, basic tool for creating simple delays in machine code. Continue reading

Posted in Assembly, Coding, Digital, DrACo/Z80, Drexel, EET325 | Leave a comment

Peripheral Interfacing on the 8-bit DrACo/Z80

Interfacing peripherals with the 8-bit version of the DrACo/Z80 is still possible. Here’s how. Continue reading

Posted in Assembly, Digital, DrACo/Z80, Drexel, EET325 | Leave a comment

Oscilloscope Basics

A brief introduction to what an oscilloscope does and how to use one. Continue reading

Posted in Analog, Digital, EET205, EET325, Electronics, Fundamentals, HOW-TO, Tools | 2 Comments