[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
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
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
[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
[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
[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
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
[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
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
[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