With two cores at 240 MHz and about 8.5 MB of non-banked RAM if you’re using the right ESP32-S3 version, this MCU seems at least in terms of specifications to …read more (https://hackaday.com/2025/12/30/xcc700-self-hosted-c-compiler-for-the-esp32-xtensa/)

TULIP: The Ultimate Intelligent Peripheral for the HP-41 Handheld Calculator
https://hackaday.com/2025/12/30/tulip-the-ultimate-intelligent-peripheral-for-the-hp-41-handheld-calculator/

[Andrew Menadue] wrote in to let us know about the TULIP-DevBoard and TULIP-Module being developed on GitHub. TULIP is short for “The Ultimate Intelligent Peripheral” and it’s an everything expansion …read more (https://hackaday.com/2025/12/30/tulip-the-ultimate-intelligent-peripheral-for-the-hp-41-handheld-calculator/)