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rtestardi / calchemy

Calchemy™ -- Math Magic

HTML 8 1 Updated Jan 31, 2026

rtestardi / usbte

Web USB Flea-Scope™ GUI/deep-dive UI and general-purpose terminal emulator (well, without actual emulation :-)

HTML 39 7 Updated Nov 13, 2025

rtestardi / StickOS2

StickOS® BASIC -- an entirely MCU-resident patented interactive programming environment, used by Flea-Scope™

C 37 8 Updated Apr 8, 2025