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Thread: DiNovo Mini car charger?

  1. #1
    Newbie AcidPunch's Avatar
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    Question DiNovo Mini car charger?

    Has anybody seen, or at least attempted to find/ build a car charger for the DiNovo Mini keyboard? I have a mini, and the thing's awesome. I just want to charge it while i drive around if i want to.

    According to the charger, it's output is 8 VDC (can't recall the amps off the top of my head). I'm guessing you could just use a simple resistor to get that, but i have no idea how to figure it out.

    Any pointers would be greatly appreciated? Of course, i know you need the amps to give a definitive answer. I'll update this post later on with it if nobody chimes in. Thanks in advance.
    CarPC:
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  2. #2
    Variable Bitrate
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    The guy in this tread made one. He even listed the parts needed and a schematic for anyone who wants to make one themselves. Take a look. http://www.mp3car.com/vbulletin/revi...vo-mini-4.html

  3. #3
    FLAC
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    Yea just follow my schematics in the link above. You cant really use just resistors to limit the voltage because the mini doesnt draw constant current. So you need a voltage regulator that can handle the same or more current than what the AC adapter charger is rated for.

    Also for safety I should have mentioned to not charge the mini in extreme hot or cold conditions.

  4. #4
    Newbie AcidPunch's Avatar
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    Thanks for your help guys. For some reason i couldn't get that thread to turn up in a search.
    CarPC:
    Jetway MB w/1.5GHz C7 CPU, 512MB RAM, 120GB SATA, M2-ATX, BT, WiFi, OBD II, Mobile Impact, and RR

    Sound:
    JVC KD-BT1, Crunch 1500 Watt mono, Power Acoustic Fubar 12" DVC, factory speakers for now...

  5. #5
    Variable Bitrate
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    Probably because it's only a single post, not a thread.

  6. #6
    Variable Bitrate
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    Quote Originally Posted by nobb View Post
    Yea just follow my schematics in the link above. You cant really use just resistors to limit the voltage because the mini doesnt draw constant current. So you need a voltage regulator that can handle the same or more current than what the AC adapter charger is rated for.

    Also for safety I should have mentioned to not charge the mini in extreme hot or cold conditions.
    you can use silicon diodes to limit voltage as well; there's about a 0.7v drop per diode with little variation with different amp draw

  7. #7
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    I remember hearing that the thing will last for 1 month on a 4 hour charge. Might not be worth the hassle if you will only use it once a month.

  8. #8
    Newbie AcidPunch's Avatar
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    That's true....but what's the fun in that? If i was concerned with "hassle," i would have picked a different hobby like 6 months ago.
    CarPC:
    Jetway MB w/1.5GHz C7 CPU, 512MB RAM, 120GB SATA, M2-ATX, BT, WiFi, OBD II, Mobile Impact, and RR

    Sound:
    JVC KD-BT1, Crunch 1500 Watt mono, Power Acoustic Fubar 12" DVC, factory speakers for now...

  9. #9
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    Quote Originally Posted by AcidPunch View Post
    That's true....but what's the fun in that? If i was concerned with "hassle," i would have picked a different hobby like 6 months ago.
    Haha, too true my friend.

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