Author Archives: M. Eric Carr

CYDs (and Vibe Coding)

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

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

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 Arduino, C | Leave a comment

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