Given a close relative with a propensity for locking the keys in the car, James tried a variety of Slim-Jims, Lock-picks, and other tools to gain forcible entry to his own car before he decided to go high-tech. Fortunately, he drives an older-model Chrysler and was able to wire in parallel to the door lock a momentary switch hidden inside a drilled hole on the driver's side mirror. He discovered Fords to be a tad more burglar-proof, requiring the addition of an in-line relay to activate the door lock.
Locked car access system parts list:
Allied Part #
Switch, momentary on
Relay, SPST, 12Vdc
Additional parts required: Older model Ford or Chrysler car
For James Henderson's instruction on how to get into locked cars with no tools, as well as some schematic drawings and documentation, click
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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