Category Archives: Coding

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

Serial LED Matrix

Posted on 2025-12-31 by M. Eric Carr

Daisy-chained SPI interfaces and fast microcontrollers make driving large, bright LED displays easy. Continue reading →

Posted in C, Components, Electronics, Toys, User Interface Design | Tagged , | 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

Nerd Sniped

Posted on 2025-09-28 by M. Eric Carr

In which I self-nerd-snipe and find an empirical answer to the original xkcd Nerd Sniping problem Continue reading →

Posted in Analog, BASIC, Coding, EET201, Electronics, Lore, Machine Learning / Neural Networks, Science | Leave a comment