ctcac00/gymnasticon

Gymnasticon is a tool that enables obsolete or proprietary exercise bikes to connect with training apps like Zwift by acting as a Bluetooth LE and ANT+ power and cadence sensor. It supports bikes like Flywheel, Peloton, Schwinn IC4, and Keiser M Series, and works on platforms like Raspberry Pi and macOS. It's designed for users who want to repurpose older exercise bikes for modern fitness apps.