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  • Mike R.

    Sorry I missed today's meeting everyone. Had something come up kinda last minute that I needed to do. Sounds like y'all had a good time though. Michael, thanks for the SPI LED library link. I've been thinking of putting some NeoPixel strips on my quadcopter. May look into some of the SPI-addressable LEDs as well though. The NeoPixel strips use what looks to be some very-timing-sensitive proprietary protocol that somewhat resembles SPI but isn't exactly. Was planning on using something like an ATTiny85 to drive them.

    October 20, 2013

    • Mike R.

      I've never used the buddy codes - but I'll definitely look into it. I've had decent luck getting LiPos from the US warehouse, but I've never managed to place a full parts order from the US warehouse - they just don't carry all the stuff - and HK won't let you mix and match warehouses in a single order.

      October 21, 2013

    • Michael S.

      For parts I agree HK US isn't the best source.

      October 21, 2013

  • Mark S.

    George demonstrated Charlieplexing by controlling 12 LEDs using only 5 I/Os from an 8-pin microcontroller. Michael showed a small LED array made from an off-the-shelf addressable light string.

    Here is a quick video. http://youtu.be/wzCvvxvbUpI

    October 21, 2013

  • Michael S.

    I enjoyed meeting everyone

    October 20, 2013

  • Michael S.

    I think this is something worth sharing - I have been looking to control some addressable LEDs with an Arduino but writing code isn't my forte. So I went out looking and found the FAST SPI LED library created by Daniel Garcia. Take a look at his code page: https://code.google.com/p/fastspi/ or his blog: http://waitingforbigo.com/ or his Google+ site https://plus.google.com/communities/109127054924227823508

    October 20, 2013

  • Mark S.

    Tomorrow at 1:30 we will meet in the conference room at Tx/Rx. Please feel free to bring your Show and Tell projects. Or even just Tell. I will be answering the question, "if I was going to buy one kind of transistors to have on hand, what would they be?"

    October 19, 2013

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