Category Archives: Drexel

Topics related to my work and study at Drexel University

Voltage dividers

Posted on 2012-05-09 by M. Eric Carr

Two or more resistors can be used to make a voltage divider, to reduce voltages by a given ratio. Continue reading →

Posted in EET201, Electronics, Fundamentals | Leave a comment

Ugly hack of the week

Posted on 2012-04-17 by M. Eric Carr

A lack of 74LS245s leads to an ugly-but-effective design hack… Continue reading →

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

Introduction to Breadboarding

Posted on 2012-03-19 by M. Eric Carr

An introduction to using solderless breadboards, using a blinking-LED circuit as an example. Continue reading →

Posted in 555, Analog, Digital, EET201, EET205, Electronics, Fundamentals, HOW-TO, Level 2, Projects | Leave a comment

Oscilloscope Basics

Posted on 2012-03-08 by M. Eric Carr

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