How to Build a Bike Generator with Control Panel
From the Low Tech Magazine: We built a pedal-powered generator and controller, which is practical to use as an energy source and exercise machine in a household — and which you can integrate into a solar PV system. We provide detailed plans to build your own, using basic skills and common hand tools. https://www.lowtechmagazine.com/2022/03/how-to-build-bike-generator.html