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Build an analog TV station

Build an analog TV station

With the transition to digital TV, the FCC has abandoned the old analog format. Luckily, you can take advantage of this and set up your own analog TV station.

Via Hack a Day | Posted on 2009.09.02 at 19:44

Cheap wireless for microcontrollers

Cheap wireless for microcontrollers

Everybody loves microcontrollers, including the Arduino, allowing you to create whatever you imagine. That is unless you want to hack together something wireless.

Via Hack a Day | Posted on 2009.08.30 at 23:29

Wireless electricity

[Eric Giler] has a talk available over at TED that discusses and demos delivering electricity without wires. Called WiTricity, these methods were developed by a team at MIT a few years ago who were working off of the concepts of Nicolai Tesla.

Via Hack a Day | Posted on 2009.08.28 at 20:32

Aspire One external antenna

Aspire One external antenna

External antennas on netbooks are notorious, from EEE PCs to the Panasonic CF-R1, but this is the first on an Acer Aspire One we’ve seen. [xRazorwirex] sent in his external antenna hack for the 802.

Via Hack a Day | Posted on 2009.08.23 at 08:59

Tunneling IP traffic over ICMP

We all hate it when we find an unencrypted WiFi network at our favorite coffee shop, restaurant, airport, or other venue, only to discover that there are traffic restrictions.

Via Hack a Day | Posted on 2009.08.21 at 15:25

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


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