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Type: Posts; User: Squirrel

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  1. Replies
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    Sorry, but FOR THE SWARM! :)

    Sorry, but FOR THE SWARM! :)
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    Please wait for the next update this weekend, I...

    Please wait for the next update this weekend, I have one small flaw in the board (easy to fix) and one resistor value is wrong value in the schematic. I will fix it this weekend. I will also add a...
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    yeah :) I was inspired by this puppy: ...

    yeah :) I was inspired by this puppy:

    http://th00.deviantart.net/fs70/PRE/f/2013/070/e/0/protoss_tempest_by_phillgonzo-d5xrdiq.jpg
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    Sorry for that :) How did you come to this name?

    Sorry for that :) How did you come to this name?
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    Very cool! Btw, just released the first version...

    Very cool! Btw, just released the first version of my open source Etek5 board with Bluetooth 4.1 low energy and IOS App here:...
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    PE uses this for Etek boards, so I do.

    PE uses this for Etek boards, so I do.
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    I use this one for my board: 954 SAM_SW...

    I use this one for my board:

    954

    SAM_SW goes to an input of the Atmel SAMD21, DCDC_PWR_EN is the enable input of the switching regulator (2ľA quiescient current if disabled), SAM_PWR_EN is an...
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    Speaking of diodes, did you consider a diode +...

    Speaking of diodes, did you consider a diode + zener flyback protection?

    See http://jumperone.com/2011/10/using-relays/
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    Wow.... Did you write the code?

    Wow....

    Did you write the code?
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    Really nice! I like your soldering setup, looks...

    Really nice! I like your soldering setup, looks far more chaotic on my desk....

    If it's ok, I could post a pic of my progress? I don't want to spam your thread. Just happy I'm not the only nerd :)
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    It's a board for a mid-range gun, arm cortex-m0+,...

    It's a board for a mid-range gun, arm cortex-m0+, switching power supply, extension connector, 15mm x 65mm.....

    I will publish the software (not GCode!) and the hardware as soon it's running,...
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    950 In progress... I love this...

    950

    In progress... I love this live-production-view!
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    949 In progress... I love this...

    949

    In progress... I love this live-production-view!
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    Cant't wait to see the first pictures... Btw,...

    Cant't wait to see the first pictures...

    Btw, just ordered pcb's for my project today... different gun, different controller, different architecture but has the same purpose :) t minus 8 days.....
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    Indeed.... Where did you order them?

    Indeed....

    Where did you order them?
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    100nF in a 0402 package is just fine and still...

    100nF in a 0402 package is just fine and still hand-solderable.
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    Ah, sorry about the RESET comment, I didn't know...

    Ah, sorry about the RESET comment, I didn't know u corrected it.

    For the external pullups, you are right. The lower the impednace, the better. (wrt stability/emc robustness). If i remember...
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    Great work, looks fine! Maybe some...

    Great work, looks fine!

    Maybe some questions/suggestions:
    - RESET is active low. R7 seems to be wrong or should be a capacitor.
    - Decoupling caps (or the lack of it :). Use at least one close to...
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