AVR servo control

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Here’s a quick and simple way to control servos with an AVR microcontroller, stiant04 writes -

This code is developed for the ATmega16 on tha AVR-stk500 trainer and can only control two servos with a ten step resolution (but this can all easily be changed). It is ment to show newbies (like me) how they can make a C program that controls RC servos…

(Remeber that RC servoes needs a 1-2 millisecond high pulse at 50Hz)

PORTA=switches , 0=S1++,1=S1center,2=S1– , 3=S2++,4=S2center,5=S2–
PORTB=Leds ,shows ten times the ms value(1-2ms -> 10-20 bin) for servo1
PORTC=Servo signal , PC0 & PC1

Just push a button to move your servos.
The servo vil return to center position when max or min value is reached.(sorry that most comments are in norwegian)
Enjoy!

:: AVR Freaks – Link.

Related:

  • WebCam servo control – Link.
  • HOW TO – 16 Channel serial servo controller for … – Link.
  • HOW TO – Make a Servo pod – Link.
  • HOW TO – Make a servo-based 4-legged walker – Link.
  • OpenServo Wiki – low-cost digital servo for robotics – Link.
  • Servo robot cat – Link.

Yod'm 3D – Beryl-like 3D Virtual Desktop for XP/Vista

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Yod’m 3D is a freeware virtual desktop manager for Vista that provides a three dimensional spinning cube effect, similar to a Beryl effect. It’s not open source and it doesn’t provide all the features of Beryl, but it looks pretty slick and I really dig the cubic virtual desktop metaphor for some reason.

Yod’m 3D -[via] Link.
Yod’m 3D demo/howto video -Link.

The Villanizer custom guitar

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Thunder Eagle guitars made a fun looking guitar from copper pipes and gears -

The Villanizer started life as a Rhoads Jackson V. It’s not every day you take a band saw to a guitar that plays as well as this thing does. However, I had no distinct plan other then doing a mechanical look to it. But I had more of a Sci-Fi / Blade Runner thematic in mind at that moment.

After cutting, a spacer was cut and installed to join the two pieces of the body. Knowing damned well that wouldnt be a strong enough of a join for just about any player, the steampunk look hit me, and I went on to installing the copper pipe, and soldering the joints. You just cant have steam power without a gauge, so I cannibalized an old oil gauge and made a custom face in it with my name and a real complex readout.

Gears. Man I hacked more gears together then I knew what to do with, and inlaid them into a cut plexi frame that was then screwed into the body…

The Villanizer Custom Guitar – [via] Link.

The ComBots cup

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Simone writes in -

“Holy Crap! $10,000 dollars for a winning robot? I never heard of such a thing!”

It’s true, those crazed robot lovers over at RoboGames are offering $10,000 spread over First, Second and Third Place winners for the team that can smash, bash, crash and crush their way to victory!

“Where, O Where is this happening!?!” I hear you cry. “It must be in some far-away place where mere mortals such as we may never step!”

Au contraire, my mecha-loving cohort, this fantastic yet cathartic event is taking place at none other than the indubitable Maker Faire, the place where you were all planning to be the weekend of May 19-20th anyway (you *have* gotten your tickets, have you not?).

Come see 220 pound fighting machines beat each other senseless inside our magnificent 36′ square bulletproof steel and polycarbonate arena!

Thrill to the sound of tearing metal ricocheting inches from your delicate, wondering eyes!

Squirm with Glee as champions such as Sewer Snake and Brutality attempt to remove their opponent’s batteries through blunt force!

Marvel as Cyclone Bot transmits smart-aleck messages to the crowd through their Cyclone Drive LED System!

Be Amazed as you realize all these people are just like you and have built these marvelous machines in their backyards and garages!

Added to all this mayhem are a truly ridiculous array of lego bots, wrestling robots, kung fu robot masters, R2D2 enthusiasts, Stormtrooper patrols, photovores, tabletop balancers and Kinetic art!
These are just a taste of what is to come, we are after all, the RoboGame Preview Pavilion!

Step right up, come on, come all, and as you sample the various delights of Makerfaire, stop by and feast your brainspace on our little robot nirvana, won’t you?

One more thing- we’re still accepting registrations! Holy heck! If people wish to show off thier incredible robots in any one of our classes, or go for the filthy lucre with the Combots Cup, register here.

ComBots – Combat Robots, the largest fighting robot show in the world – Link.

Super NES RCA video mod

 Snes Video Mod 1
Sashi writes -

Well, I was sick of having to dig behind my TV to exchange the cable from my Nintendo 64 to play my SNES. So I figured why not install two RCA jacks so I can plug it directly into the front of my TV.

Sashi’s Architecture – [via] Link.

Related:

  • SNES/NES controller to gamecube/Wii conversion project – Link.
  • Playing 2 SNES games at the same time – Link.
  • HOW TO – SNES to Parallel Port – Link.
  • SNES/NES gamepad to USB adapter – Link.
  • SNES mouse on a PC – Link.

Cake art

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Some people say “You can’t have your cake and eat it too” – but it’s cake, that’s all cake does is get eaten and if you’re lucky your cake might even look like one of these – [via] Link.

Related cakery:

  • Thorax cake – Link.
  • Make an erupting volcano cake – Link.
  • HOW TO – Make a corpse cake bunny – Link.
  • Kat litter cake – Link.
  • Killer rat cake… – Link.
  • HOW TO – Make a meat cake – Link.
  • Cockroach cake – Link.
  • Graveyard cake – Link.
  • HOW TO – Make an Apple 30th birthday cake – Link.
  • MAKE: A cake – Link.
  • HOW TO – Make a “Tux” cake… – Link.
  • CakeBot – cuts and serves cake – Link.

Brushed aluminum "Von Slatt keyboard"

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Datamancer writes -

This is a brushed aluminum version of the beautiful brass keyboard unveiled a while ago by Jake Von Slatt over at the Steampunk Workshop.
This was a commisioned piece I put together for a customer who contacted Jake after seeing it on the internet. Jake was not interested in reproducing his design, or as he puts it, “that sounds like work….I do this kind of stuff as my antidote to work”, so he quite generously kicked the referral over to me. I’ve got projects to finish and a cross-country move to fund, so I was more than happy to take on the commision.

Datamancer.net — Brushed Aluminum “Von Slatt Keyboard” – [via] Link.

Maker Faire: Kite Aerial photography

Campanile Sunset V5 Small
For anyone who likes kites and photography, make sure to check out MAKE author Cris Benton’s demonstrations of Kite Aerial Photography at the Faire:

Who needs satellite photography? Get a kite’s-eye view of what’s happening down below. See how you can make your own aerial photography apparatus at home.

Cris Benton will illustrate the evolution of gear for kite aerial photography by displaying KAP rigs he has developed and used over the last ten years. These include the Silly-Puttyâ„¢ based rig featured in MAKE and the assortment of cradles gracing the article in MAKE’s first issue. In the mix are cradles with radio controls and automatic infrared-coupled timers plus designs carrying film, digital, and fisheye cameras. Benton will bring his working set of kites (Rokkaku, Dopero, and Suttons) and backpack of KAP accoutrement (rangefinders, climbing gear, gloves, etc.). If the conditions are favorable we will head outside to fly a bit.

Back on the ground Benton will have some photographs to show including new work in the South Bay Salt Ponds and efforts to stitch aerial panoramas.

More info at the Kite Aerial Photography Discussion Page and The Hidden Ecologies Project (South bay Salt Pond work).