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Type: Posts; User: Roger Parkinson

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    I've built this now, and I'm feeling very pleased...

    I've built this now, and I'm feeling very pleased with myself, even though I screwed up one thing. I've gon into some tedious detail on my blog because this is the first SMD thing I've ever done:...
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    Hey, good advice, Headroom, thanks. My boards are...

    Hey, good advice, Headroom, thanks. My boards are in progress at OSH Park, so I'll live with the result. But next time around I'll know.
    I'd rather not mess with Gerber files, or not yet anyway, so...
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    Hey, good advice, Headroom, thanks. My boards are...

    Hey, good advice, Headroom, thanks. My boards are in progress at OSH Park, so I'll live with the result. But next time around I'll know.
    I'd rather not mess with Gerber files, or not yet anyway, so...
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    I'm finding Eagle okay, actually, though I've not...

    I'm finding Eagle okay, actually, though I've not tried the others. I figure if other people can make it work I ought to be able to.
    Also, the alternative suggestions above don't run native under...
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    All looks good advice, thanks. I appreciate the...

    All looks good advice, thanks. I appreciate the help and I feel I am learning heaps.
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    I've updated the design a little, mostly picking...

    I've updated the design a little, mostly picking some better parts and also adding a voltage divider to feed a voltage into pin 14/A0 of the teensy.
    The idea there is to give me a way to measure the...
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    Thanks, Paul. I will be initerested in seeing...

    Thanks, Paul. I will be initerested in seeing that new board, though I don't have an immediate need for Ethernet.
    And yes I did understand that the design of the old board was for the Teensy 2.0...
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    ...but the Sparkfun button seems to be...

    ...but the Sparkfun button seems to be TACTILE_SWITCH_SMD/TAC_SWITCHSMD, it is the same one as used on the Arduino Pro Mini so I grabbed the Eagle files for that and checked the button. So I'm good....
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    Not the advice I wanted, but it is the advice I...

    Not the advice I wanted, but it is the advice I needed. :)
    Okay, I will get looking at the docs and tutorials. I'm learning a lot anyway.
    Thanks
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    "buck-boost" ah, wish I had known that term a...

    "buck-boost" ah, wish I had known that term a few days ago. I knew something like this existed, didn't know what to call it and spent hours going down ratholes. I guess I did learn a few things...
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    If I'm flashing then yes it is connected to the...

    If I'm flashing then yes it is connected to the PC and then the power will connect from Vusb to Vin. No problem there.
    The project will normally be battery powered, but switched off when not in use...
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    Thanks for that. Yes, I can see the mistake on...

    Thanks for that. Yes, I can see the mistake on pin 14 now. So the SD wiring looks otherwise correct, excellent news.
    re #2 the second design does use the USB to power the teensy if it is there. It...
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    I've done some more work on this today. There's...

    I've done some more work on this today. There's nothing like explaining what you're doing to get things moving along, even without any replies yet. This is the new schematic. It has Constantine's...
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    Teensy3 piggyback board

    Here's what I would like to build: a piggy back board for the Teensy3 which holds a microSD and a lipo charger circuit that feeds the Teensy3 with enough power (around 3.7-3.9 volts as measured in my...
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