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Reverse engineering an RF clicker

Reverse engineering an RF clicker

[Travis Goodspeed] has pulled apart a TurningPoint response card, which is an RF device for answering quizzes, attendance checks,  and casting votes in a classroom setting.

Via Hack a Day | Posted on 2010.07.06 at 04:08

Wireless presenters easily cracked

Wireless presenters easily cracked

While hacking a wireless presenter doesn’t sound like something worthwhile or interesting, [Niels Teusink] demonstrates that these little devices often are a lot more powerful than we give them credit.

Via Hack a Day | Posted on 2010.07.06 at 04:07

Adding motion control to an RC transmitter

Adding motion control to an RC transmitter

If your soldering skills are up to snuff you can add a motion control feature to your radio controlled transmitter. [Starlino] used a combination accelerometer and gyroscope module as an alternate source of analog control information.

Via Hack a Day | Posted on 2010.07.02 at 18:35

RFID transplant

RFID transplant

[Zach Charat] didn’t want to carry around yet another card with him so he transplanted the RFID guts from his card to his phone. Soaking the card in nail polish remover for twelve hours got him nowhere, but when he broke out the acetone the card was falling apart in 30 seconds.

Via Hack a Day | Posted on 2010.07.02 at 18:06

Wireless accelerometer project

Wireless accelerometer project

[Jerome Demers] sent us his extremely detailed semester project. The two part system consists of PICs connected to XBee modules and accelerometers.

Via Hack a Day | Posted on 2010.06.13 at 05:25

WiMax antenna with auto-positioning system

WiMax antenna with auto-positioning system

[Andrew] certainly brings a bit of a James Bond feel to connecting to your WiMax base station. He built this antenna along with an auto-positioning system to get the strongest signal possible.

Via Hack a Day | Posted on 2010.06.13 at 05:01

Parallax RFID Reader for Ten Bucks

Parallax RFID Reader for Ten Bucks

We  received a tip about Radio Shack putting Parallax’s RFID reader on clearance for around $10. The only reference we could find that indicated Radio Shack sold the reader was a review page.

Via Hack a Day | Posted on 2010.06.07 at 17:37

Wyvern quadcopter

Wyvern quadcopter

[William Etter] and his classmates built a quadcopter as a class project. We love the details of these builds and they came through with some thorough documentation.

Via Hack a Day | Posted on 2010.05.11 at 03:36

CPU as a heat sink

CPU as a heat sink

We’ve noticed that wireless routers pump out a bunch of heat. [Jernej Kranjec] wanted to make sure that he didn’t fry it once he started adding more load to his router using OpenWRT.

Via Hack a Day | Posted on 2010.05.11 at 03:17

Hack Your Crystal’s Frequency

Hack Your Crystal’s Frequency

[Drone] tipped us off about [Joachim]‘s efforts to alter a crystal’s frequency. Through a process called penning, a crystal’s resonant frequency is lowered by painting the crystal with an indelible ink marker.

Via Hack a Day | Posted on 2010.05.11 at 02:58


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