wonstoneyoo

Seoul, Korea, South Joined March 5th, 2014
4 Instructables 7,449 Views 14 Comments 4 Followers

an electric engineer with State issued license

wonstoneyoo's Instructables

Lazy Boy's RF Switch Box

Li-Ion Battery Pack to Replace 9V Battery for DMM

Voltage Alert Pen Hack

18650 Battery Charger, Transformed From Galaxy S Charging Cradle