Dreams

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I have been thinking about an 6DOF-sensor for a long time, and I was planning to use ADIS16100 single-axis gyros from Analog Devices for about 50€ each; which is not exactly “cheap” if you need 3 of them. But lately I found a dual axis gyro by ST at SparkFun; for about $7!! The downturn were the (with about $20) quite high shipping fees to germany. But I found a SparkFun-partner in germany: Elektronikladen sells all SparkFun-products in germany! (Click for bigger version) Packet’s contents… 3 LPY530AR and 3 LPR530AR (and a Catalogue) SparkFun and Elektronikladen LPY530AR – YES That may pose a little problem, but I think i’m up to it (see here) These are the parts a 6DOF-dream consists of: LPY530AR, LPR530AR and MMA7260 I made an Eagle-Lib for the LPY530 LPR530-gyros… DOWNLOAD. Be cautious, I HAVEN’T TESTED

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Michi has…

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Mich now went totally insane and designed a robot which moves using vibrations only! See for yourself… Video  countesty of Michi HERE is Michis post <- AND HERE the original idea by the EvilMadScientist Labs

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Reflow news

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So there are some new developments concerning my new reflow control… see for yourself: The new reflow firmware regulates temperature and its derivation using a PID-regulator. Even without overshoot-compensation (which might be added later) it produces an overshoot of just about 5-10°C…

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In progress: Reflow3

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A short update concerning my new reflow firmware: It consists of 37 Files, 19 of them *.c (rest is .h containing defines typedefs and structs and so on – to keep things tidy). There are (’til now) 1449 lines bare code, plus 1009 empy lines plus more or less useful comments makes 3129 Lines alltogether… I have the firmware for the new Reflow3-Controller in my pipeline. The problem was that my newly designed menu-lib didn’t work at once. So I used some LEDs for debugging. The software uses an internal scheduler, which calls certain functions periodically. To test the call of the display-refresh-function I toggled the LED inside this function. It blinked and I was also able to measure the accuracy of the timers 😉 Here my setup: (click to enlarge) And this is the Display of my (new, shiny

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