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Arduino solar charge controller

Posted on Tuesday, October 22nd, 2013 in Arduino, hacks by DP

In this video Julian Ilett demonstrates his Arduino solar charge controller:

High efficiency values (96% – 97%) are achievable when the buck converter is stepping down from 18v to 12v. With a 72-cell panel and the converter stepping 35v down to 12v, the efficiency drops to around 88%.

Via Hacked Gadgets.

This entry was posted on Tuesday, October 22nd, 2013 at 11:00 am and is filed under Arduino, hacks. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

2 Responses to “Arduino solar charge controller”

  1. Nate B says:

    Well we know his PWM frequency is about 15KHz, and his camera’s mic picks that up quite happily!

    Ow. Now I’m looking for audio EQ software.. (OOoh, this Equalizer APO looks good.)

    Other than that, it’s a really fascinating build; I love the “mo’ display, mo’ data” scheme with the little Nokia LCD, and the free-air construction technique is fascinating.

  2. Peter Gross says:

    Why hook up extra solar panels in series, instead of parallel?

    Brilliant build by the way! Well done.
    Peter

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