The pefect 3 mode R5-A3

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E1320
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The pefect 3 mode R5-A3

I want to say hello to everyone, and great forum. I have learned a lot and started modding some great lights I have learned about here.

I am a mechanic and work night shift so I have plenty of time to play with lights in the dark. I have been told to find an age appropriate hobby and flashlights seam to fit the bill for now.

One of my favorite budget lights is the Trustfire R5-A3, but I can't stand the crazy strobe mode. I found a post here recently which showed a really ingenious mod to eliminate the strobe and give a usable low mode, so I tried it and I am very impressed.

 

 

So I removed the solder from the chip on the top circle and added a blob of solder to the bottom circled area, results.

Tail cap draw with freshly charged trust fire flame 14500.

High 1.648 amps
Med .467 amps
Low .168 amps

Thanks for the great forum.

E

 

 

I am already visualizing the duct tape over your mouth.

Don
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What a great way to introduce yourself!

 

Welcome to BLF E!

 

The numbers from my light tests are always to be found here.

https://spreadsheets.google.com/ccc?key=0ApkFM37n_QnRdDU5MDNzOURjYllmZHI...

jamesearljonesi...
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Welcome to BLF and thanks for sharing that info. I remember doing circuit board mods to a motherboard and the lead pencil trick to an amd cpu to allow variable multiplier a number of years ago. I need to do that to my solarforce 1 mode xml if possible but ill try QTC first. Enjoy your stay here.

03/04/16 

 

8 lives left

E1320
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Here is some of my collection.

 

 

I am already visualizing the duct tape over your mouth.

Budgeteer
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Great collection and thanks for the info! Smile

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They're gonna send you a green redcat with a black LED.

sb56637
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Hi there E1320! Nice mod, nice collection, and nice introduction! We're glad to have you here. You'll fit right in. I hope you enjoy your time here on BLF.

Budget Light Forum ...where Frugal meets with Flashlight!

Match
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Welcome Aboard, E1320!  I just love it when people jump into modding right off the bat, brings a tear of joy to my eye LaughingTongue outWink

Btw, you wouldn't happen to be into drag racing, would you?

Davx
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Welcome and thanks for the info!

"There are always new jobs, women, and apartments......there is only ONE BLF." - Chicago X (27/03/2012)

edc
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welcome E and great work

 

http://i1193.photobucket.com/albums

E1320
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Thanks for the friendly welcome guys and yeah match that's were the 1320 comes from.

I am already visualizing the duct tape over your mouth.

Match
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E1320 wrote:

Thanks for the friendly welcome guys and yeah match that's were the 1320 comes from.

Hehe...thought so.  I've racked up more than a few miles down the 1/4 and 1/8th...

E1320
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Match wrote:

E1320 wrote:

Thanks for the friendly welcome guys and yeah match that's were the 1320 comes from.

Hehe...thought so.  I've racked up more than a few miles down the 1/4 and 1/8th...

 Unfortunately I live 15 minutes from New England Dragway, so I have quite a few passes under my belt.......lots of fun, but it gets pricey.

FYI both my mini mags have the match mod, one flame thrower with a KD XML single mode with 2 14500s and the other with a DX XML single mode and 2 AAs. Great mod thanks for the idea.

I am already visualizing the duct tape over your mouth.

Match
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E1320 wrote:

 Unfortunately I live 15 minutes from New England Dragway, so I have quite a few passes under my belt.......lots of fun, but it gets pricey.

FYI both my mini mags have the match mod, one flame thrower with a KD XML single mode with 2 14500s and the other with a DX XML single mode and 2 AAs. Great mod thanks for the idea.

Whoo hoo!  I love hearing about folks getting some use out of the match-mod.  Sounds like a couple of nice little mini-mags.

fishinfool
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Aloha and welcome to BLF E1320!

 

Don wrote:

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raccoon city
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Let's see, now...  your avatar appears to be of a gun firing, and your signature is about putting duct tape on someone's mouth; according to my calculations, you'll fit in just fine here!  Now, where did the crazy strobe mode negatively affect you?  Show me on the doll.....

Foy
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Welcome 1320.  I've done my time a few seconds at a time on the 1/4 mile, too.  Good to have you here.

whenyoulaunchassloppyasIdostageshallowFoy

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sixty545
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Wellcome to the forum E1320, and thank's for showing the R5-A3 mod. That one had passed my eyes.

Now it's done and works on my R5-A3 also.

E1320
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Wellcome to the forum E1320, and thank's for showing the R5-A3 mod. That one had passed my eyes.

Now it's done and works on my R5-A3 also.

------------------------------------------------------------------------------------

 

I am really glad it worked for you, I wish more lights had this same driver.

I am already visualizing the duct tape over your mouth.

fran82
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If I am not wrong, there is another light with this driver: TrustFire S-A2

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Boaz
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 if this driver is really in the trustfire s a2 ..are you right or wrong fran ?? I have 3 of these lights I don't care much for .. please tell me there is some redeeeming quality  and I'll take out the xrc  and put a real emitter in it.

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fran82
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Look the S-A2 http://www.dealextreme.com/forums/Forums.dx/Forum.36358~threadid.832988

and compare to the R5-A3 http://www.dealextreme.com/forums/Default.dx/sku.39062~threadid.879089

It looks like to be the same, even in another forum or another site (I dont remember) this issue was discussed (maybe here in BLF?). Some people were discussing about that the driver is the same and both can be modded to change mode arrangement by just the solders trick

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okwchin
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What generation R5-A3 was this?

Was the original low a reasonably low low with visible PWM? Or did it have more of a high medium instead of a low? and How did you get the circuit board out. It seems that mine is pretty well stuck in.

 

Either way, Nice mod, and welcome. Im having fingers crossed that mines a PIC based torch too!

"like everyone else - I’m looking for my next “last” flashlight" -  ohnonothimagain

E1320
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What generation R5-A3 was this?

Was the original low a reasonably low low with visible PWM? Or did it have more of a high medium instead of a low? and How did you get the circuit board out. It seems that mine is pretty well stuck in.

 

Either way, Nice mod, and welcome. Im having fingers crossed that mines a PIC based torch too!

-----------------------------------------------------------------------------------------------------

I picked mine up in January from DX.

I thought low was reasonably low, PWN was barely visible when pointed at a fan on low.

You really have to work at getting the board out, try prying with small screwdrivers and use some heat.

Also the chip is tiny so a magnifying glass is really helpful to solder the connections.

 

I am already visualizing the duct tape over your mouth.

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Just down the road from Eddyville myself.  I'm definitely doing that mod to my R5-A3 the next weekend I have a spare hour or two, depending on how ornery it gets.  It's my EDC so...  can't put it out of commission for too long. Smile A medium PWM (is it?) would be great since sometimes low is too low (i have the usable low version too), and high - unhandled - gets hot enough to brand cattle.

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seems  a little hard to get ther driver out  I took a peek at it and messed with it for a second and thought mmmmmm maybe later ..I hate to break stuff

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sixty545
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okwchin wrote:

What generation R5-A3 was this?

Was the original low a reasonably low low with visible PWM? Or did it have more of a high medium instead of a low? and How did you get the circuit board out. It seems that mine is pretty well stuck in.

 

Mine was bought from Dinodirect on nov.25 -2010. It was 100 lm - 12 lm with PWM 202 Hz.

After modding: 100 - 32 - 12 lm, PWM still 202 Hz on medium and low. The same PWM I found on iTP A3-EOS and on the XM-L drop-in from KD as well as a Romisen RC-I3.

202 Hz is not bad, I think, as some of my lights has down to 100 Hz PWM.

The driver board was a little tricky to access (wrapped in adhesive paper) after twisting out the bottom print (breaking some of the copper layer in the process), but the biggest trouble was adding the solder blob as the solder would not bind to the very little pad. Eventually I used a thin core from a multicore lead to bridge the gap. 

okwchin
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Mine is the early first gen, and it has a different driver board. Its still one of the generic PCBs where they make many different drivers from, and mine is still PIC based, but its got a different use of the pin-outs so im not going to play around with a different set of physical mode selection if the initial use of pins isnt the same. 

If anyone else has the same earlier gen driver (green board) and can work out what the programme is/which pins are used for mode selection im interested.

"like everyone else - I’m looking for my next “last” flashlight" -  ohnonothimagain

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I bought one from kaidomain on 09-06-2011 and received it today. It came with the modifiable driver, and the led star attached by screws Cool

I modified it within 10 min from opening the yellow envelope, very simple mod, thanks E1320.

E1320
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Thoth wrote:

I bought one from kaidomain on 09-06-2011 and received it today. It came with the modifiable driver, and the led star attached by screws Cool

I modified it within 10 min from opening the yellow envelope, very simple mod, thanks E1320.

No problem I am really glad I could help you out. I actually did another post on how to add an XML to this light as well. I added some beam shots to, check it out.

http://budgetlightforum.com/node/2418

I am already visualizing the duct tape over your mouth.