DIY Mini Power Bank
DIY Mini Power Bank Make: Magazine Hackaday Adafruit Learning SparkFun Tutorials Evil Mad Scientist Raspberry Pi Projects Arduino Projects Instructables Pakistan Science Club E-Learning Online Store Materials Needed: 18650 lithium-ion rechargeable batteries (1 or more depending on capacity) Battery holder for 18650 batteries USB charging module with a protection circuit Small project enclosure or case Power switch USB cable Soldering iron and solder Wire Hot glue gun Multimeter Heat shrink tubing (optional) Velcro or double-sided tape (for mounting) Tools Needed: Screwdriver Wire stripper Heat gun (for heat shrink tubing) Steps: 1. Prepare the Battery Holder a. Insert the 18650 batteries into the battery holder. b. Make sure the batteries are inserted in the correct orientation. 2. Solder the USB Charging Module a. Solder the positive (red) and negative (black) wires from the USB charging module to the corresponding terminals on the battery holder. b. Ensure a secure...