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Joby Taffey

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Joby Taffey last won the day on December 25 2010

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About Joby Taffey

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  1. Yes, just the 7 per jar sync with each other - which is a bit of a cheat. There's no inter-jar communications :-)
  2. MSP430G2221 jar-of-fireflies A classic project, re-told on the MSP430 Launchpad's MSP430G2221. Glass jars of LED fireflies which synchronize over time. A piezo transducer in the lid detects tapping and randomizes the pattern. MSP430G2221, 7 LEDs, 2 resistors and a piezo transducer. Cheap and simple. http://blog.hodgepig.org/2010/12/23/finished-fireflies/ Eagle CAD design files: http://wp.hodgepig.org/wp-uploads/2010/ ... agletar.gz Source code: http://wp.hodgepig.org/wp-uploads/2010/12/fireflies.c (mspgcc)
  3. MSP430G2221 jar-of-fireflies A classic project, re-told on the MSP430 Launchpad's MSP430G2221. http://blog.hodgepig.org/2010/12/23/finished-fireflies/ (I've just finished this project and published the details, but it was already mentioned on 43oh back when I started it http://www.43oh.com/2010/10/msp430_firefly_throwies/ So, perhaps it's ineligible for the competition - no problem). Forum page here: viewtopic.php?f=9&t=287#p2230)
  4. I made a version of pong for the AVR ATMega168@16MHz a while ago (http://blog.hodgepig.org/2009/08/17/510/). I wonder how far you could push video generation on the value line MSP430s... Throwaway "greetings card" type video messages? TI claim $0.49 in 1ku for the chips.
  5. Great work. Make pong! Is this NTSC or PAL? What resolution are you running at? Is the video generation in the foreground loop, or running under interrupt?
  6. The Chronos watch is based on a CC430 - an MSP430/radio microcontroller. The pack also contains a CC1111 based USB dongle - an 8051/radio/usb microcontroller. I've written a minimal operating system for the CC111x, which should be capable of running on this device (without USB support). It's available here: http://code.google.com/p/pinkos/ (note - to get at the serial console, you'll have to do some fiddly soldering) It should be possible to use the GirlTech IM-Me handset and dongle units to communicate with the Chronos watch, the IM-Me units both contain the CC1110 chip. If
  7. @gatesphere A relevant tale: http://www.ee.ryerson.ca/~elf/hack/ktoast.html :-)
  8. Joby Taffey


    Is there an RSS feed available for the forums?
  9. Thanks. Mysql died - again. That's what I get for running on a cheap virtual server.
  10. Hi, I've reflashed the IM-Me using GoodFET. It's pretty easy. I'm using Linux, but it may also be possible from Windows. I have a GoodFET31. It wasn't too hard to assemble, but if you haven't tried surface mount soldering before then you might want to read up on it first (use plenty of flux and get a fine tipped iron). Travis Goodspeed will send you a PCB for $5 (or nothing if you're a student). The IM-Me chip is a CC1110, which is an 8051 based microcontroller. SDCC does support this, but MSPGCC is for MSP430 only. The GoodFET supports MSP430 JTAG, but I haven't tried it out y
  11. Bill, I've built a couple of projects which parse serial input (based on NJC's code). They should be easy to adapt: http://blog.hodgepig.org/2010/09/09/573/ http://blog.hodgepig.org/2010/09/10/575/ It's the RFID reader is SPI, then my SPI Explorer should get you most of the way there.
  12. I've only tried in-system-programming with my target board powered from the Launchpad. My reset pin is tied high with a 10K and no cap. I'm using mspdebug, but I doubt that it'd make a difference.
  13. I've posted a list of useful MSP430/Launchpad resources to my blog: http://blog.hodgepig.org/2010/10/07/lau ... resources/
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