Tell us about yourself!
Nice explanation of the charging circuit, I have used those a lot of times without knowing how they actually work xD.
Sound Activated Fan
Random thought, why not 2 pins for 80mA?
Mini Electric Screwdriver Tool in a Keychain ! - " World's Smallest Electric Screwdriver "
Concept Art Inspiration with Alchemy
2.5D Printing - Block Printing with a 3D-Printer
DIY Portable Mini Monitor
How to Reset Built-in Administrator Password If Forgot It
Create faceted papercraft-objects
ATX Power Supply