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WiFi spectrum analyzer

WiFi spectrum analyzer

[Tim] noticed a 2. 4Ghz WiFi spectrum analyzer on thinkgeek a while ago and got curious.  He knew that the spectrum analyzers with which he was familiar were giant expensive units, so he got curious what this little dongle was.

Via Hack a Day | Posted on 2009.08.18 at 10:02

Droplet

sent in this project called Droplet. He’s been doing work with Xbees and Arduinos together and built this little toy. He describes it as “sort of like a Chumby”.

Via Hack a Day | Posted on 2009.08.07 at 15:11

BPSK on 433 MHz European ISM band

BPSK on 433 MHz European ISM band

[WaveRider] is using a type of phase shift keying called BPSK to transmit digital sound and video for remote telemetry. Though a higher signal to noise ratio (SNR) is generally sought after with communications, legal limitations are imposed on total radiated power.

Via Hack a Day | Posted on 2009.08.03 at 20:04

Homemade regenerative tube radio

Homemade regenerative tube radio

There are no microcontrollers in this project. In fact you wont find a single transistor. This classic regenerative tube radio, modeled after an early 20th century homebrew is complete with schematic and additional photos.

Via Hack a Day | Posted on 2009.07.13 at 20:13

Various Cantenna builds

Various Cantenna builds

Here is a classic project used to increase wireless signal strength. Cantennas focus using a waveguide very much like a magnifying glass focuses light.

Via Hack a Day | Posted on 2009.07.07 at 13:32

Crack WEP using BackTrack

Lifehacker wrote a guide for cracking a WiFi network’s WEP password using BackTrack. BackTrack is a Linux live CD used for security testing and comes with the tools needed to break WEP.

Via Hack a Day | Posted on 2009.07.02 at 15:34

Wireless Arduino cat food dispenser

Wireless Arduino cat food dispenser

Reader, [Andres Leon], has two adorable cats with very specific dietary needs. Instead of altering his schedule, he donned his hacking hat and designed a very solid cat food dispenser.

Via Hack a Day | Posted on 2009.06.24 at 16:49

Ekahau HeatMapper maps out WiFi signals

Ekahau HeatMapper maps out WiFi signals

The term ‘warwalking’ isn’t used very often, but the Ekahau HeatMapper adds a new tool to the pod bound hacker’s arsenal. The tool maps out wireless access points as well as their signal strength within a facility.

Via Hack a Day | Posted on 2009.06.16 at 19:43

Keykeriki: wireless keyboard sniffer

Remote-Exploit. org is releasing Keykeriki, a wireless keyboard sniffer. The project is both open source hardware and software. you can download the files on their site.

Via Hack a Day | Posted on 2009.06.04 at 12:37

WiNet, wireless Arduino touchscreen

WiNet, wireless Arduino touchscreen

Liquidware has put together an interesting kit called the WiNet. It has a battery powered touchscreen controlled by an Arduino. Using an XBee shield, it can send commands to a paired XBee and Arduino attached to a computer.

Via Hack a Day | Posted on 2009.05.30 at 18:28


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