Hacked Gadgets Forum

January 11, 2006

CD-ROM Car Cup Holder

at 12:08 am. Filed under Crazy Hacks, Funny Hacks

CD-ROM Cup Holder in operation.

Mount the drive, test and use. An optional step that was not taken was to enlarge the hole in the CD-ROM drive to make it hold a cup properly. This step was omitted out of sheer laziness. Besides as long as the first turn is left the hot coffee will spill on my passenger :).

Ok the real reason I ripped the dash apart is because I am going to install a new stereo, I thought it would be fun to try out a cup holder first.


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13 Responses to “CD-ROM Car Cup Holder”

  1. hydrocortisone Says:


  2. Shawn Says:

    i know its off topic, but how did you install that keypad? and does it control your ignition? if you have a writeup on that id love to read it… hit me back at big528hemi@hotmail.com

  3. Alan Parekh Says:

    Hi Shawn,

    It does control the ignition. It was installed in the car when I purchased it though.

  4. Shawn Says:

    well…crap. guess ill have to figure it out on my own then. by the way, is that a sunfire? somebody saw the picture and said it was

  5. Shawn Says:

    found it. http://www.autotoys.com/x/cust/product.php?productid=317&cat=174&page=1

  6. Alan Parekh Says:

    Yes it is a Sunfire. Nice find, that module seems interesting. I would have thought there was a controller box somewhere and that unit was just a matrixed keypad. By the look of the simple design it looks like someone could simply cut the keypad module out of the circuit and hot wire it.

  7. Shawn Says:

    perhaps, but if the keypad was recessed into the dash or wherever it was mounted, it would be diffucult. i think that it is probably more for the cool factor than security.

  8. Scott Says:

    that’s fantastic but I am having a bit of trouble following your wiring (I’m not techno pro so forgive me).

    Could you draw up a basic diagram (or anyone else) please?

    I have the parts but am not sure about wiring it up! :S

  9. Alan Parekh Says:

    Hi Scott,

    This should help, here is the pin outs of the regulator that is needed for the 5 volts

    Here is the pin out of the CD-ROM power cable.

  10. Scott Says:

    Thanks, I’ll see how I go. Unfortunately I burnt out the button on my last DVD drive whilst trying to wire up another button to it. If I ever get it to work it will be pretty awesome.

  11. Scott Says:

    I wired it up and it worked like a charm =) So happy.

    However, the regulator was extremely hot after about 1 minute of being connected :/ Is this meant to happen? How can I fix this?


  12. Alan Parekh Says:

    Depending on how much current the 5 volt control circuit draws it could get hot. Generally for more than 100mA of continuous draw you will need to operate with a heat sink. If the regulator you got is a to220 case style http://www.ges.cz/images/pictures/t/to220.jpg then you can get something like this to bolt onto it http://www.radioshack.com/product/index.jsp?parentPage=search&summary=summary&cp=&productId=2102857&accessories=accessories&kw=heat+sink&techSpecs=techSpecs&currentTab=summary&custRatings=custRatings&sr=1&features=features&origkw=heat+sink&support=support&tab=summary

    The normal configuration of a LM7805 has the center pin and tab being common meaning you could also mount it to the metal of your car to sink the heat.

  13. Scott Says:

    Awesome, thanks for the help! I have the day off tomorrow so I’ll give that a go. Hopefully I can get it all done in a day though I am doubtful!

    I’m also going to have to borrow a solder sucker to rewire the button in a more convenient place.

    My next project is a bush starter button that is wired in to the top of my gear shift knob. 🙂 That’ll be hot.

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