Category Archives: Design

The USB-C High Voltage Hydra: Don’t Get Bit!

Posted on 2024-07-29 by M. Eric Carr

USB-C multiple-device charging cables can subject devices to excessive voltage. Here’s the story. Continue reading →

Posted in Design, Digital Citizenship, Electronics, Power | Tagged , , , , | Leave a comment

Hardware As Firmware

Posted on 2022-02-27 by M. Eric Carr

A 3D printer is used to teach a 1967 Sears sewing machine new patterns. Continue reading →

Posted in 3D Printing, Design, Mechanical, Nostalgia, Tools | Leave a comment

PCBWay

Posted on 2021-05-18 by M. Eric Carr

The Hex Decoder project finally gets a modern PCB, thanks to PCBWay. Continue reading →

Posted in Design, Digital, DrACo/Z80, EET325, Electronics, PIC Microcontrollers, Reviews | Leave a comment

Mystery Resistance

Posted on 2018-07-13 by M. Eric Carr

In which I learn several things and unwittingly become a voltage divider. Continue reading →

Posted in 3D Printing, Design, Digital, Drexel, EET201, Electronics, Fundamentals, PIC Microcontrollers | Leave a comment