hackaday links

hackaday links

phrack had a howto a little while ago on a diy gps jammer.
needless to say, it ruffled a lot of feathers.
slate ran a similar editorial on cell phone jamming.


In the United States, actively jamming a cell-phone signal is illegal

cell phone jamming

no cell phones
now, if i’m not mistaken, cell phone jamming is illegal in the united states

tell us your story

hacking

i’m working on a hackaday podcast and it only seems appropriate that i hear from the hackaday community.  i’ve received some really great messages so far (thank you!), but i know there are a lot more of you out there.

i’d like to hear stories about your favorite hackers.  just call in and mention your favorite hackaday hacker and why you liked their project.  even better, tell us a story about someone or something that inspired you to become a hacker.  or tell us something else.  it’s up to you.

don’t worry about making mistakes

bow powered super pogo stick

bowgo

some hackers at cmu decided to make the better pogo stick.  instead of a coil spring, it stores energy in a fiber composite bow.

the bow spring stores 2-5 times as much energy per unit mass, and precludes the sliding friction that results when long coil springs buckle sideways.

there’s a page with photos and movies of people flying on these things.  thank deep blue shift for the link.

[Read more...]

hackaday links

hackaday links

take a look at these bow spring shoes.
i am pretty sure i need a pair of these.
there’s a movie of a guy literally flipping over a car.
uc berkeley also tried to make the better pogo stick.

‘un-drming’ a senseo coffee maker by making your own pods.
boingboing found a link to a commercial refillable pad.
we need more coffee hacks.  it just makes the world a better place.

digital rebel ‘upgrade’ hack

free tech support.  what a neat idea.

use the google calculator from your unix command line.

[Read more...]

hackaday links

hackaday links
if you’re set on pringles cans, you can build the deep dish from one as well
there are pictures of other people’s dish reflectors here
homemade omni-directional antenna howto
chinese parabolic cookware antenna
the traditional cantenna

hacker pranksters attack burger king wireless intercom and perform valuable public health service

you may have already seen this on slashdot, but it’s really quite a nice hack:
pc controlled popcorn popper to coffee roaster hack

people really love the usb battery and have been sending me their own creations:
this one on ebay is cool.  an on/off switch and led have been added.
altoids tin 9 volt phone charger
i cant believe how popular those altoids tin cases are.

snorkelson macburp sent us a link to some cool diy science toys and also won the prize for wierdest handle ever.

[Read more...]

a better wifi antenna

deep dish antenna

here’s a guide for making an antenna for your access point that beats the pringles can on a number of fronts.  it’s easier to assemble, requires no pigtail and no modification to your ap, and it is claimed to have better perfrmance characteristics.

the reflector design was originally intended to increase privacy, but the nice side effect is that it dramatically increases gain in the direction it is facing:

power normally transmitted in that direction is “bounced” forward.  Therefore you have more control of where your signal is going when using this reflector. That feature of this antenna can be used to enhance the privacy of your wireless network and that was my reason for designing it in the first place, the rest is just gravy but it is very real and rather tasty gravy.  :)  Please also note that antenna gain is preferable to amplifier gain because it adds to both transmitted and received power.

the best part is that you can make one basically for free.  grab some aluminum foil, cardboard, and a scissors and get to work.

[Read more...]

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