DIY Audio Interconnects


This is one of those things that has annoyed me for so long, that I’m putting it up. I have despised, no, I have friggin loathed the quality of 1/8″ (3.5mm) cables. Cables are pretty easy; just clip, strip and solder away, right? Right. If you grew up cursed with the junk that rat shack carries, you know my pain. So, if you hate those crappy cables as much as I do, go check out this lovely little write up on making quality interconnects. (Now if I could just find a 2.5mm connector like that switchcraft 3.5mm to fix this spare apple power supply)

Inker – The Hand Inkjet


One of our Hackaday favorites, [Sprite_tm] made my morning when he sent this in. He built a driver circuit for a HP inkjet cartridge that allows him to print by hand. Ideal for printing on other people, their white boards or their beer. He had to do some blackbox reverse engineering to figure out what the onboard driver chip does on the cartridge. Considering the task, the circuit is surprisingly simple. It has some ATTINY brains, some driver transistors, a data bus and a DC/DC power converter to get the required 1.21 gigawatts, er 20 volts to drive the cartridge.

Saturday Morning Extra

Storage element keychain. Allright, it’s cool, but almost criminal.

Hack a wireless doorbell into a remote relay. It’s allright, but I like the Mr. House + APRS tracking better.

[Josh and PsychoRNGD] both sent in the mindstorm NXT laser hack (Replace the LED in a light unit with a laser pointer diode)

Matt sent along his XBox 180. I dig it just because it gets rid of all those friggin wires.

[XanTium] points out that MS’s latest drive in the 360 takes things to a few extremes to block firmware hacking.

[Mike] let us know that after all the grief he got here, he built an aux to female ipod cable for his sound-dock. (He got his femal ipod connector from Ridax, but Sparkfun now carries a surface mount version)

You guys sent in some great tips this week. Keep em comin. I’ve been busy, but I’m going to hunt down the floating ads and get them taken care of.

Toorcon Anonymous Presentation

I promised that I’d follow up on some Toorcon stuff later this week, so here it is. I believe I was present for the first ever anonymous presentation at a con. I’ve been waiting for the presentation information to get posted on the TOR wiki, and today I finally found it. The presentation is from the TRON: HE FIGHTS FOR THE USER talk. The idea worked out very well. We could hear the presenter quite well the entire time The combination of TOR, VNC, and Ventrillo was unique. We were even able to ask the speaker questions at the end. The talk opens up some very interesting possibilities. Instead of being able to arrest someone before/after a talk, someone could present on a controversial issue with less fear of corporate/government fallout. Check out the wiki page for more information.

USB Alien DAC


[blip] let us know about this nice little project. The Alien DAC Project is basically a DIY USB sound card/interface. [Pictured is one built by cook on head-fi.org] It uses a TI PCM2702 at its core with some supporting chips for power regulation and virtual ground for the analog audio signal. It’s small and should do the job. If you’re really interesting in taking it to the next level, check out the DAC-3. It’s like the big mean older brother of the Alien DAC. That thing is rack mounted, has Optical, Coax and USB inputs.
[If you run across any more floating ads, let me know. They shouldn’t on the site, and we’re trying to take care of them.]