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[MOD] Simple Wireless Charging! - 10 minutes & Under 10

OP Ryan_G

23rd October 2012, 03:30 PM   |  #1  
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Simple wireless charging - Ten Minutes & Under Ten Pounds

Confirmed working on the:
International Note II GT-N7100

International Note II GT-N7105

AT&T Note II (Confirmed working)

Sprint Note II (has no slots for charging pins, but confirmed working when taking the middle housing cover off and finding the wireless charging contacts underneath)
Have a look at this http://forum.xda-developers.com/show...&postcount=240

Canadian i317M Note II (Bell Canada)
Confirmed not working on the:
US TMobile Note II SGH-T889 (Has the charging pins for wireless charging)
Please see http://forum.xda-developers.com/show....php?t=1978276

vinas1 has just released some instructions on how you could get the wireless charging mod to work on the Tmobile Note II version.
Check it out here
Please do this mod at your own risk

Big Thanks to m055 who has posted a video guide on Youtube check it out from here

I've decided to go ahead and do the mod for the wireless charging as i've seen a few threads tempting me.
What you need is:
  • Palm Touchstone 5.24 (Amazon UK)
  • Palm Pre Touchstone case 3.49 (eBay)
  • Electrical Tape
  • Copper foil tape [thanks rj3005]
  • Solder Iron & Solder
You can also use thin wire to do this mod if you don't have copper tape handy.
This all cost me under 10 excluding the solder iron. You might find it cheaper shopping around.
  1. I first took the induction coil out of the Palm Pre case carefully.
    !!! Its very important that you peel the silver sticker off carefully and not cause any sharp bends which could cause cracking. You need this silver sticker to stay intact for the whole operation to work!!!
    The top pin is positive and bottom is negative as shown in the picture, this is also the same on the note the top pin being positive and bottom negative.

  2. I placed the coil in the center of the Note battery case I then placed the silver sticker over the coil as it was on the Palm Pre (this is very important that you place the silver sticker back over the coil as without it the induction doesn't seem to work.)

  3. I then checked where the charging pins on the note meets with the case and marked it with a pen to indicate where the wires copper tape would have to be.

  4. Using copper tape, I stuck two tracks going from the charging circuit to the charging pins positions, make sure you leave enough copper track to fold the tape twice over itself to create a spring going against the charging pins.

  5. Solder the track to the charging circuit by tinning the end of the copper track and soldering it to charging circuit contacts, then cut electrical tape to size and place it over the copper track. After place the original insulation cover over the coil with the magnets.

  6. I placed the battery cover over the Palm Touchstone dock and checked the voltage from the copper track with a meter (should be 5.6V any less means you have left the silver foil off or not placed it correctly) to check everything is working and the polarity is correct.

  7. I placed it back on my phone and there you go, I now have wireless charging.

NFC works and magnets do not affect the phone testing the S Pen and Compass seem to operate all good.

List of successful mods completed:
There is probably more successful mods then whats on this list, please post about your success and I will add it to here but also post about if you are having trouble getting this working and I'm sure somebody will be able to advice and help you here!

German tutorial with good pictures of the Pre and Pixi casing(thanks Frank2)
Sorry if its a bit brief, I will try and write it up a bit better.

EDIT: Measurements I've taken
Output Voltage 4.8V (5.6V disconnected)
Output Amps 0.42A


EDIT: Added pictures of the Galaxy Note on the dock in portrait & landscape

EDIT: I've now swapped my wires over to copper tape

EDIT: nm8 has just posted a solder less alternative [MOD] Note 2 Wireless Charging [Origami style][No Solder]

You can use the Palm Pixi case to do this mod but its very important that you double check the polarity to the charging pins. Do not connect straight to the charging pins until your sure which pins are positive and negative, you could cause damage to your phone Info Regarding the Pixi

EDIT: http://forum.xda-developers.com/show...4&postcount=77 QI Wireless Charging Mod
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Last edited by Ryan_G; 10th December 2012 at 09:24 AM.
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23rd October 2012, 03:33 PM   |  #2  
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Placed this thread in the wrong section, could a MOD please move it.
23rd October 2012, 04:38 PM   |  #3  
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Very impressive!
23rd October 2012, 05:56 PM   |  #4  
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Quote:
Originally Posted by Ryan_G

Placed this thread in the wrong section, could a MOD please move it.

Great MOD

Moved to original development
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23rd October 2012, 07:25 PM   |  #5  
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What gage speaker wire I want to duplicate your process perfectly what type of soder did u use

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23rd October 2012, 07:57 PM   |  #6  
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Does the back cover fit without problem after this mod?

Sent from my GT-N7100 using xda premium
23rd October 2012, 08:11 PM   |  #7  
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You, or, someone should make a video and post it on the OP.

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23rd October 2012, 08:26 PM   |  #8  
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Quote:
Originally Posted by randy2

What gage speaker wire I want to duplicate your process perfectly what type of soder did u use

When I get home, I will have a look at the speaker cable but i'm not entirely sure, and for the solder I don't think the guage matters as you are only soldering on the charging circuit pins and creating a solder ball on the end of the wires. For the actual wires I recommend stripping the insulation off completly and then replacing it with heat shrink as this creates a thin layer of insulation.

Quote:
Originally Posted by rj3005

Does the back cover fit without problem after this mod?

Yes the back cover fits perfectly, you can not feel the coil or the charging circuit but you can feel a slight bump where the wires go but its not noticeable. Its quite a nice fit and handy as the Palm Pre modules lines up perfectly for polarity, you may even get away with having the circuit with the pins directly lined up to the note charging ports to prevent feeling the wires and just extend the coil itself.
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23rd October 2012, 08:35 PM   |  #9  
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What does it look like actually ON the Touchstone? It it stable?
23rd October 2012, 08:53 PM   |  #10  
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Quote:
Originally Posted by Ryan_G

Yes the back cover fits perfectly, you can not feel the coil or the charging circuit but you can feel a slight bump where the wires go but its not noticeable. Its quite a nice fit and handy as the Palm Pre modules lines up perfectly for polarity, you may even get away with having the circuit with the pins directly lined up to the note charging ports to prevent feeling the wires and just extend the coil itself.

Your speaker wires are really thick I would use 0.7mm lacquered copper wire


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cheap, galaxy note 2 wireless charging, mod, palm, touchstone
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