Metasonix gets a run for it's money in the offensive product name category. This one in via @midi_error, via noisybox.net:
"The Dickhole Keypiss is a USB MIDI controller based on the Teensy++ AVR board. Its main user interface includes a touchtone keypad from a vintage analog telephone, a rotary encoder, and a two-digit LED numeric display.It is primarily geared at being a sample trigger -- you can turn the encoder knob to select a controller number, and press one of the 12 keys to trigger a sample in that "bank". It was used by CRM114 Discriminator at toorcamp in July 2009 and at Someday Lounge in PDX on July 17th 2009.
The unit was intended to mirror the filmtastic sequence of punching in launch codes during the cold war. Playing this device should feel like permanently dialing the launch sequence, initiating the war.
The circuit board was etched at home using a simple copper-clad board (only single sided is necessary), iron on transfer paper, and ferric chloride. In other words, you can print out the PCB pdf and make one yourself... in your bathroom...in about 20 or 30 minutes. Soldering the parts probably takes 45 minutes or an hour, and loading the firmware should take about 15 minutes.
Bill of Materials
The Dickhole Keypiss was built on the cheap, but the Teensy++ and enclosure were purchased retail (also on the cheap). If you want to build your own, you'll need to assemble the following:
Telephone keypad: $0 (junk box)
Copper clad board: < $1 (surplus, I think Eric or Laen got a bunch on eBay)
Rotary encoder: $0 (from Don, they're about $0.64 retail)
Encoder knob: $0 (I never buy knobs that nice, I must have scrounged it). In in a pinch you can forego the knob or superglue an action figure's head to the encoder.
Teensy++ controller board: $27 retail (I got mine cheaper)
LED digits: 2 at $1.57 each retail. Mine were LA6960 and I had them in the parts bin for 15+ years, so my cost really was $0.
Current limit resistors: < $0.10 each...so let's liberally call it $2.00 total (mine were cheap after I bought Paul beer).
USB cable: $0 (I dunno, it came with a camera or something. You can get these retail at FreeGeek for like $1.00)
Enclosure: $0.49 retail (This former jewelry case was normally $0.99 but I hit the magically colored special [black!!] at the Goodwill).
My cost: About $13.49.
Your DIY cost: Probably less than $35, including the $27 Teensy++
Note: Other than the board itself, this list does not include the materials required to make your own homebrew PCB."
BTW, this is the first Noisybox post on the site. What a way to start! :)
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