Introduction: Change Led Color on the Logitech G502

Picture of Change Led Color on the Logitech G502

If you own the G502 from Logitech you know how good this mouse is. However it lacks the possibility to change led colors so that it matches your other stuff like keyboard,case lighting or gamepad lighting. If you are like me and want things to match then this is how to do it.

Step 1: What Do You Need

Picture of What Do You Need



• Pry tool or a guitar pick
• Philips screwdriver
• Soldering iron
• Solder wick
• soldering tin lead wire
• 10x or more (As you will loose some while soldering) smd leds size:0603 minimal voltage 1,5V Max voltage 3,5(Any color you like)
• Hotline games mouse skates for G502
• Gloss black spray paint
• And some experience with soldering/desoldering

Step 2: Mouse Disassembly

Picture of Mouse Disassembly

Remove the mouse skates that are labelled in the picture with the red circles. Underneath them there are four screw that need to be removed. Once you've done that you start to carefully pry the back of the mouse open like you see in the picture. Use the pry tools so you don't damage the mouse. Work your way to the front en try to unclick the the pins that are showed in the picture.

Step 3: Changing the Leds

Picture of Changing the Leds

Once you've opened the mouse you will see the two smd leds where the red circle is in the image. First you need to desolder them to do this you need to add soldering wire so that both side are fluid at the same time. Then you can remove the smd leds by using tweezers or something else to push them. There is a trick to make it easier but you need a piece of copper wire. When the leds are removed you can start to remove the remnants of the tin with the solder wick. As you see on the image there is a dot on the pcb wich shows the - wich is the cathode of the led. This dot and the green line on the led must be on the same side. the two leds need to be placed next to each other. The original leds are two in one but the ones we use are seperated so you need to solder one by one. If you like you can also change the blue indication leds that show the dpi setting. These are marked in the image with the red circles.

Step 4: Painting the Blue Part

Picture of Painting the Blue Part

You can paint the blue part black if you like so that it looks better. To do this all you need is some gloss black spraypaint some tape to cover the the parts you dont want to paint and some solvent to clean the part before painting it. I used white spirit

Step 5: Placing the New Mouse Skates

Picture of Placing the New Mouse Skates

When your mouse is ready and closed then you can put the new mouse skates on. It's very difficult to remove the original skates without damaging them. So I recommend you to buy the hotline games mouse skates off ebay or amazon so that your mouse looks like new again. If you have any questions feel free to ask in the comments area I will reply as soon as I can.

Comments

NicholasG42 (author)2016-06-27

I want to just change it to a pure blue to match my Deepcool Tessaract case, is there a chance I could achieve this through software?

kondrez (author)NicholasG422016-08-19

I believe the new mouse from logitech is rgb.

IreneV9 made it! (author)2016-04-15

Great Tutorial! Got me excited to give me a go, and i'm glad I did, I went ahead and changed all the LEDs to red, I love the look of it now.

It did take me forever to fully remove the existing blue LEDs at first and get the polarities of the new ones on right (haven't soldered anything in over a decade had never dealt with anything so small).
I found this trick video which sped up the whole process of removing the leds in just mere seconds in case anyone had the same issues I had:

TRY THIS!

Here is also another variation of the tip that was provided by markor1 and seems to work well, but I havent tried this since I was out of copper wires and because the first video worked wonders!

kondrez (author)IreneV92016-08-19

Turned up really nice i really like the red paint looks way better. Thanks for your additions!! hope this motivates more people into doing it.

AdeelR3 (author)2015-11-29

Will this also work on a Logitech g402? I really want a red led.

LorenzoP9 (author)AdeelR32015-11-29

I suppose it does.. You only have to find out where the led actually is..

I found this high res image, but no idea where it's located..

http://cdn.overclock.net/8/83/833b8cf4_040cd009_zMFRstP.jpeg

AdeelR3 (author)LorenzoP92015-11-29

How hard can finding the LED be? Cant i just plug in the mouse with the cover taken off?

LorenzoP9 (author)AdeelR32015-11-30

Yep! Just remove the lid, plug it in and remove what lights up :) :)

AdeelR3 (author)LorenzoP92015-12-15

I was going to get the g402 in about a week, but the g502 is on sale right now, so ill just get the 502.

kempain made it! (author)2015-12-05

Hmmm so I tried this but haven't had any joy so far. Thankfully my mouse is still functioning as far as I can tell (not bothered putting it back together yet), other than not having no light now.

I'm worried I may have messed up the two tiny components which are directly to the right of the LED (possibly tiny resistors?), although they look kind of OK. Because they are so close, it's actually very difficult to remove the originally LED without heating those too and I think I accidentally swiped some solder over them which I had to try and remove very carefully.

It's possible I won't be able to get it to work now but there is no harm in my trying again.

Annoyingly I was sent SMD 0402 LEDs in error instead of SMD 0603 and the 0402 are MUCH smaller and more difficult to work with. I thought I would give it a go with them just in case it worked so maybe that was my error.

Presumably the voltages can't be that different that SMD 0402s wouldn't work at all?

I'm getting a better soldering iron for Christmas that is actually a lower wattage which may help and I think I really need to practice soldering because I struggled getting the solder to go where I wanted it to.

My OCD wouldnt let me leave the mouse alone since the rest of my setup is red! :p

Attached a pic of my monstrosity of a soldering attempt for comedy value.

Any help or advise would be greatly appreciated.

kempain (author)kempain2015-12-05

Actually I may have SMD 0603 as two of these next to each other would probably be the correct size. They are crazy small though and from looking at comparison pics online they seem more like 0402s. The original doesn't seem like two stuck together but it is hard to tell.

kempain made it! (author)kempain2015-12-05

All is not lost!

Now I know it still works I need to somehow attach it...

kempain made it! (author)kempain2015-12-05

Several hours later... :)

Quite a stressful process since I hadn't soldered in about 15 years but it was so worth it!

Thanks for the awesome tutorial.

kempain made it! (author)kempain2015-12-07

Finished product with the weight panel painted.

I used plastidip, although I may repaint it with normal paint because the plastidip stuck to the masking tape I had to cut around the tape with a scalpel. The top is fine by the underside is not as clean.

I'm still contemplating doing the dpi lights as well but it's kind of unnecessary since they aren't always on. So may just ignore those rather than potentially breaking my mouse.

I'm also tempted to try quieten the switches using the ninja mouse mod so my wife doesn't get annoyed when take people down in Battlefield :p

LorenzoP9 made it! (author)2015-11-24

Hope it's not considered necroposting, but even after 1 year this article helped me a lot!

Actually I bricked a proteus core since I tried wire glue and other stuff to avoid the soldering part, but on the second one (and this time I had the right tools), all went very well!.

You can see the result in the image uploaded.

Big thank you to the author!!

kondrez (author)LorenzoP92015-11-29

Glad to see that this tutorial has been useful your the first one i've known that has done it. The green looks stunning nice to see the tutorial helped you out. Did you have experience with soldering/desoldering?

LorenzoP9 (author)kondrez2015-11-29

Never soldered in my life before :D

I bought a very small soldering iron (this one: http://www.amazon.co.uk/LAFAYETTE-MINI-SOLDER-STAT... ) and worked like a charm!

The only problem I had was desoldering the old led, but I ended "scratching" it away with the tweezers.

Thanks again!

Joshua.Robert.Contreras (author)2014-11-14

Does it have to be 2.3v max? I want green but the voltage goes 3.2v – 3.8v.

http://www.ebay.co.uk/itm/New-SMT-SMD-0603-0805-1206-LED-Chip-White-Red-Blue-Green-Orange-Yellow-Kelly-/171205070385?pt=UK_BOI_Electrical_Components_Supplies_ET&var=&hash=item27dc9e0e31

It doesn't have to be 2.3v max but thats the original max voltage of the mouse. If you take a higher max voltage it may be that it doesn't light as bright as you would like. But it will light up

JCL6 (author)kondrez2015-11-21

yeah that's my problem! the instructions says "Minimal voltage must be 2,3V".

but most LEDs I find are actually 1.8-2.2 V max.

Can you help me choose?

kondrez (author)JCL62015-11-21

1,8-2,2 V leds are perfect I've made some adjustments to the tutorial because a lot of people get confused by the smd led part. 2.3v is the max output voltage the mouse gives minimal voltage is not important. The 0.1V difference of the leds you found is not a problem. for the size of the led 0603 is a standard so if you look by this it should be good. I've put a picture of the measurements in millimeters so you can compare. Hope this helps

JCL6 (author)kondrez2015-11-21

YOU FREAKIN ROCK!!!! THANK YOU!

JCL6 (author)2015-11-21

Congrats on the guide, you got me convinced to do the same!
Now I have a problem with choosing the LEDs.

Can i pick some models like this:

http://www.svetsoucastek.cz/led-dioda-smd-hebei-06...

http://www.mercateo.cz/p/live_cz~s.20*2806-HSMS(2d...

I'm looking at electronic shops and some have different voltage, some have different dimensions etc.

I don't want to screw up :) please help!

tobiasfjeld (author)2015-01-24

hey, im thinking about buying a g502 is it a good mouse? and how big is it? and awesome instructable man im going to do thath if i buy one

J_SCAP (author)tobiasfjeld2015-10-26

It is one of my daily drivers, the other being the g700s. I swear by these mice. Some people have an issue with the scroll wheel but I personally love it. I've also seen people add plastidip rubber paint to give it a more grippy feel.

HrdWodFlor (author)tobiasfjeld2015-08-10

I just bought one, the only thing i dislike about it was the metal scroll wheel was too slick. I just removed it, masked the center and coated it with plastidip. Now I just love it.

simon.graham.5815 (author)2014-12-11

Amazing guide.

I was going to try and just paint the blue part (thumb rest). Does it come off and what type of spray paint did you use? Is the paint holding? Thanks.

i dont really know but i recommend using plastidip just mask it and paint and if you dont like it you could just remove it :)

alex.gordon.94617 (author)2014-12-12

were you able to remove the plastic piece that covers the dpi indicator leds? or did you end up partially melting through it to remove the old leds?

also, I'm only counting 5 leds used. Believe me, I know that someone that hasn't done smd soldering before is going to need extra, but are all 10 used, or are you figuring in for... for...*achoo*... and there goes 4 leds that I'll never see again. Haha.

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