Harvesting Lithium-Ion cells from old batteries
Reuse, reduce, recycle! Get yourself the ingredients for your own cheap batteries by harvesting lithium-ion cells from old batteries!
A sleek Prusa i3 MK3S Raspberry Pi 4 Upgrade
How to integrate a Prusa i3 MK3S Raspberry Pi 4 upgrade using the onboard 24V power supply and internal UART interface.
Inexpensive DIY Lithium-ion Battery Pack
Design and build your own inexpensive DIY lithium ion battery pack!