Teufel Mynd open source / open hardware Bluetooth speaker

This blog post covers in a lot more detail why the design behind mynd is actually interesting: https://blog.teufelaudio.com/visionary-mynds-insights-on-teu...

Nuts and bolts; - Users can replace batteries with just a few screws, and everything is modular. - Components like batteries, PCBs, drivers are from mainstream suppliers and easily replaceable to minimize waste. - Teufel has released full schematics, PCB layouts, firmware, and 3D-prints for the housing.