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Wiimote Project » Forum » General Wiimote and Technology » Project Ideas » use Universal AC adapter to power wiimote?
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Author Topic: use Universal AC adapter to power wiimote?  (Read 2017 times)
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Donny
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« on: February 12, 2009, 12:15:28 PM »
Hi.

I was on the bus and someone told me about this but didn't get into much detail. He said I'd just have to switch it to 3v. I dont have any money for usb charger so this would do me fine.


how could i use

http://img141.imageshack.us/my.php?image=picturert3.jpg


to power this?


http://img12.imageshack.us/my.php?image=picture001sq2.jpg
« Last Edit: February 12, 2009, 12:17:13 PM by Donny » Logged
adamsj
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« Reply #1 on: February 12, 2009, 03:30:58 PM »
Have you tried a usb powered wiimote rechargeable battery?  Costs about £4 Sterling, no need to perform surgery on the wiimote, works fine.
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Donny
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« Reply #2 on: February 12, 2009, 04:25:42 PM »
absolutely no money to spend.

Would rather do what's in the OP for now
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benpaddlejones
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« Reply #3 on: February 12, 2009, 05:15:43 PM »
Donny
If teh output of your power pack is less the Between 2.4 & 3v and 1A then you can just strip the two wires, work out which is pos/neg (trial & error) and connect direct to your Wiimote.

If greater than 3V then you have work to do I suggest you look at some of the powering options in http://www.boonjin.com/smoothboard/index.php?title=Mount_and_position_the_Wiimote

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Donny
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« Reply #4 on: February 12, 2009, 05:24:45 PM »
Hi!

Thanks

My adapter has a 3v switch if that's what you mean?

How exactly would I connect the wires to the wiimote?

To which ends? ( the stripping part I get).
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Donny
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« Reply #5 on: February 15, 2009, 10:39:25 AM »
 ?
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benpaddlejones
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« Reply #6 on: February 15, 2009, 05:02:00 PM »
Donny
Trial and error will be fine. Only two two wires so you will only get it wrong once. Reverse polarity won't affect the Wiimote other than it won't turn on.

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bubka
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« Reply #7 on: February 16, 2009, 06:49:49 PM »
I did it right here:

http://www.wiimoteproject.com/general-hardware-talk/wiimote-wii-remote-ad-to-dc-powered/

There is usually a polarity switch too, or it will tell you if the center or outside is +/-.  If it does not have that, the wire with the white stripe is negative.

Make sure the DC output is around 3volts!
« Last Edit: February 16, 2009, 06:51:28 PM by bubka » Logged

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benpaddlejones
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« Reply #8 on: February 16, 2009, 08:27:29 PM »
Bubka
Must be below 3v anything over will actually melt your Wiimote.

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Donny
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« Reply #9 on: February 17, 2009, 02:05:01 PM »
Thanks!!!!!!!

My adapter starts at 3v.   So is this okay? Or need it be less than?
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bubka
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« Reply #10 on: February 17, 2009, 04:03:08 PM »
3v is fine, exactly what two AA alkaline would supply.  Don't be surprised if it reports over 100% battery though.
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benpaddlejones
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« Reply #11 on: February 17, 2009, 04:56:43 PM »
Donny/bukka
3v is fine, but some cheaper transformers may deliver slightly over 3v, even though they say 3v. If you have a multimeter worth takinga  few seconds to check.

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bubka
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« Reply #12 on: February 17, 2009, 05:01:57 PM »
My multi universal AC/DC set at 3v puts out a little bit over 3v; however, by the time it reaches my ceiling mounted wiimote, and the sensor bar (parallel circuit), the voltage is less than 3v.  Wiimote reports around 88% which I calculate to be about 2.4v
« Last Edit: February 17, 2009, 05:05:39 PM by bubka » Logged

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« Reply #13 on: February 17, 2009, 07:12:31 PM »
bubka
Good point, the voltage test needs to occur at the termination connection not at the initial source. 2.4v is the perfect voltage, allows for normal micros spikes from mains electricity and the pefect supply to the Wiimote.

I tested one at Jaycar (Australian store like Radioshake, 100% elelectronics & toys). The switch said 3v and the output was actually 3.8v, they returned the unit to the manufacturer. I question if it was a fault or a standard. Hence why I suggest worth testing, a few seconds with a multimetre saves waiting for your new Wiimote from ebay.

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« Reply #14 on: February 17, 2009, 07:18:19 PM »
I think mine was about 3.5 at the source, sometimes lower, maybe higher, but I have it running through some descent gauge speaker wire at a distance (a resistor) so I am fine.  You could use any DC power source if you use the right resistor just so it is at the 3v.

There were lots of horror stories about some cheap USB (5v) wii charger that was over volting wii remotes.
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