Build a usb charger (samsung) with old chargers
Designing a usb chip with old and unused chargers Now you’ve got to think about what to do with old chargers and turn them into USB Universal Chargers! Everybody sooner or later buys the new phone and if the phone Your old one has been damaged. It’s likely that the charger is safe and this will cause a lot of chargers to go away. You can recycle your chargers and turn them into a USB charger. Just need a Connect to the USB input and you can now use it to charge all the devices that have the USB port.