Serbian-American engineer and physicist Nikola Tesla (1856-1943) made dozens of breakthroughs in the production, transmission and application of electric power. He invented the first alternating current (AC) motor and developed AC generation and transmission technology.
This item is found only in the Desktop and Console version(s) of Terraria. The GPS is an accessory that is crafted at a Tinkerer's Workshop from the Compass, and either a Gold or Platinum Watch, and a Depth Meter. It combines the functions of all three of these accessories, showing your distance east or west from the center of the map, how deep you are, and the time to the minute.
This Instructable brought to you by the kind folks a Rachel's Electronics. Visit www.rachelselectronics.com for cool electronics kits and breadouts! This hobby servo hack will add shaft position feedback by tapping into the servo's own internal potentiometer. The only parts that need are wire and a little bit of solder, making this hack practically free.