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
The promise of the Internet of Things (IoT) is that devices, gadgets, and appliances we use every day will be able to communicate with one another. This potential is not limited to household items or smartphones, but also things we find in our yard and garden, as evidenced by a recent challenge from the element14 design community.
If you didn't realize that PowerPoint presentations are inherently hilarious, you have to see Don McMillan take one apart. McMillan -- aka the Technically Funny Comic -- worked for 10 years as an engineer before he switched to stand-up comedy.
The first Tacoma Narrows Bridge was a Washington State suspension bridge that opened in 1940 and spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7, just four months after it opened.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.