Category Archives: Digital

Everything and anything related to digital electronics

CYDs (and Vibe Coding)

Posted on 2026-02-26 by M. Eric Carr

The ESP32 “CYD” (“Cheap Yellow Display”) is easy to use, especially when combined with Generative-AI-assisted coding… Continue reading →

Posted in Arduino, C, Coding, Current Events, Digital Citizenship, Fractals, Machine Learning / Neural Networks | Leave a comment

Mini Museum: Cisco 2500 Router

Posted on 2026-01-15 by M. Eric Carr

Cisco routers, particularly the Cisco 2500, helped make the Internet what it is today. Continue reading →

Posted in Digital, Internet, Networking, Nostalgia, System Administration, Tools | Leave a comment

Bus Prognosticator

Posted on 2025-11-30 by M. Eric Carr

A Bus Prognosticator, to show estimated time until the next inbound SEPTA bus. Continue reading →

Posted in 3D Printing, Arduino, C, Networking, Projects, Tools | Leave a comment

Socket to ’em

Posted on 2025-07-07 by M. Eric Carr

TCP and UDP sockets can enable Internet-aware programs to communicate directly with each other… Continue reading →

Posted in C, Coding, Digital, Digital Citizenship, HOW-TO, Internet, Linux, Networking, System Administration | Leave a comment