Lock Your Keys in the Car On Purpose with Aluminum Foil

[TJ] is a surfer, and drives his car to get to the beach. But when he gets there he’s faced with a dilemma that most surfers have: either put his key in your baggies (shorts) or wetsuit and hope it doesn’t get lost during a wipeout, or stash it on …read more

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The Great Ohio Key Fob Mystery, or “Honey, I Jammed the Neighborhood!”

Hack long enough and hard enough, and it’s a pretty safe bet that you’ll eventually cause unintentional RF emissions. Most of us will likely have our regulatory transgression go unnoticed. But for one unlucky hacker in Ohio, a simple project ended up with a knock at the door by local …read more

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3D Print a Thinner Car Key

Almost all modern cars come with keyless entry, some even come with keyless start. Of course, the price you pay for this technology is a bulky plastic keyfob that is an absolute pain to remove from your pockets, and generally spoils the lines of your carefully chosen outfit. [Jeremy] decided enough was enough.

The project begins with a careful disassembly of the original key. This is important to avoid damaging the PCB inside, particularly if there are any delicate wire links between different sections of the keyfob. With the piece disassembled, it was then time to start designing a replacement …read more

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Slimline Proximity Fob Makes Life Easier

Modern cars these days tend to come with proximity keys, which allow the driver to unlock and start the vehicle without having to remove the key from one’s pocket. While this is a great usability upgrade, for some reason key fobs continue to be bulky plastic monstrosities that when stuffed into a pocket can easily ruin the lines of a well-chosen outfit. This wasn’t good enough so [Patrick] decided to sort it out.

Starting with a Prius key, the first step was to disassemble the already broken key fob and separate out the PCB from the case and battery holder. …read more

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