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neilfred

Member Since: August 31, 2010

Country: United States

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http://www.neilfred.com/

  • Product PRT-10362 | about a year ago

    There’s a kind of elegance to the fact that you’ve made these so that the two-, three-, four-, five-, and six-pin jumpers each just add one additional color wire from the previous. But the red and orange are very similar in color, and so for the two-pin jumper wire particularly, it would be nice to have greater contrast between the two wires – perhaps red and black, or red and white, or red and yellow.

  • Product DEV-10711 | about a year ago

    I think I’m going to try a 7.4V 25C two-cell LiPo battery pack, plus the “AttoPilot Voltage and Current Sense” as a surrogate fuel gauge.

  • Product TOL-10617 | about a year ago

    Big +1 on this!

  • Product DEV-10711 | about a year ago

    I’m trying to power an Arduino (Duemilanove) plus three servos from a battery. Using the LiPower Shield with a LiPo 1000mAh battery causes the Arduino to reset itself whenever I try to manipulate the servos.

    I’ve seen people recommending using two separate batteries, but then I’d need to be able to charge both of them and ideally monitor the levels of both of them and so on, which seems like a lot of extra complication.

    Is it possible/likely that a single 2000mAh or 6Ah LiPo would work? They’re also described as 2C, but given the higher capacity, I assume that the the same “C” value means more actual current can be drawn (and I further assume that the reset problem I’m seeing comes from the battery not being able to provide sufficient current).

    I expect I could instead go with a 7.4V 25C two-cell LiPo battery pack, connected directly to the Arduino VIN instead of using the LiPower shield – that should work right? The downside is I can’t monitor the battery level in software since there doesn’t seem to be a fuel gauge that works with those.

    Thanks for any tips.

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