Engineering

Electric Skateboards

https://e-skateboarder.com/batteries/

https://e-skateboarder.com/electric-skateboard-diy/

https://www.electricskateboardhq.com/electric-skateboard-battery/

https://www.instructables.com/DIY-Electric-Skateboard-1/

https://concretesurfers.com/guides-and-tips/diy-electric-skateboard/

https://budgetorbit.com/how-to-waterproof-electric-skateboard/

https://www.mboards.co/collections/diy-supplies

https://budgetorbit.com/how-to-waterproof-electric-skateboard/

https://www.mboards.co/collections/diy-supplies



Phone Case with a Solar Panel

https://sunthetic.eu/

https://solarsena.com/solar-powered-phone-cases-should-you-get-one/

https://homeguides.sfgate.com/power-appliances-solar-panels-58463.html