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Old 11-08-2011, 12:57 AM #1
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Default Micro Flex Driver Help

So i manged to destroy the V5's pot whipper and i was wondering were to buy a new one.


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Old 11-08-2011, 12:59 AM #2
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Default Re: Micro Flex Driver Help

I reckon it would be pretty hard to find a new pot. Maybe someone here knows the values of the pots on the V5 and can tune in.

IMO replacing the pot would be a huge hassle. A resistor or something would probably work better. (since pots are adjustable resistors)
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Last edited by LaZeRz; 11-08-2011 at 01:00 AM.
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Old 11-08-2011, 01:03 AM #3
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Default Re: Micro Flex Driver Help

Quote:
Originally Posted by LaZeRz View Post
I reckon it would be pretty hard to find a new pot. Maybe someone here knows the values of the pots on the V5 and can tune in.

IMO replacing the pot would be a huge hassle. A resistor or something would probably work better. (since pots are adjustable resistors)
Couldn't i just bridge some connection on it? i'm looking for the full power it can give me.
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Old 11-08-2011, 01:08 AM #4
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Default Re: Micro Flex Driver Help

Im not too sure, I guess it wouldn't harm it if you just ran it on a testload and bridged the contacts. By doing that you'll be able to check if it gives a stable output and how much it outputs.
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Old 11-08-2011, 01:33 AM #5
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Default Re: Micro Flex Driver Help

Damn I don't have one but I guess I have to by one, thanks for your input.
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Old 11-08-2011, 02:02 AM #6
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Default Re: Micro Flex Driver Help

Yes you can Bridge the pot and it will give you MX output only. Which is ~1.5A.

IIRC its the single pad and the top right pad.

You need a testload though to make sure the driver is not damaged.

Unless you want to risk a diode which is not a bright idea.

Look Up testload on the forum. You can make your own for a few bucks with local Radioshack parts.


However you also Can buy a new pot. But the Value i dont know Buts its a 2mm pot.
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Last edited by lazeerer; 11-08-2011 at 02:03 AM.
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Old 11-08-2011, 12:37 PM #7
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Default Re: Micro Flex Driver Help

Is this the pot? Digi-Key - 490-3921-1-ND (Manufacturer - PVA2A102A01R00)
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Old 11-09-2011, 01:13 AM #8
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Default Re: Micro Flex Driver Help

Quote:
Originally Posted by lazeerer View Post
Yes you can Bridge the pot and it will give you MX output only. Which is ~1.5A.

IIRC its the single pad and the top right pad.

You need a testload though to make sure the driver is not damaged.

Unless you want to risk a diode which is not a bright idea.

Look Up testload on the forum. You can make your own for a few bucks with local Radioshack parts.


However you also Can buy a new pot. But the Value i dont know Buts its a 2mm pot.
I think its the single pad and the top left pad I saw that in a picture of a guys help thread I'll see if I can dig it up.
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Old 11-13-2011, 03:32 AM #9
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Default Re: Micro Flex Driver Help

Quote:
Originally Posted by lazeerer View Post
Yes you can Bridge the pot and it will give you MX output only. Which is ~1.5A.

IIRC its the single pad and the top right pad.

You need a testload though to make sure the driver is not damaged.

Unless you want to risk a diode which is not a bright idea.

Look Up testload on the forum. You can make your own for a few bucks with local Radioshack parts.


However you also Can buy a new pot. But the Value i dont know Buts its a 2mm pot.
Found it! http://img510.imageshack.us/img510/4104/img0355lf.jpg
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Old 11-13-2011, 03:42 AM #10
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Default Re: Micro Flex Driver Help

Here's a little tutorial I did a while back.
Maybe it will help.
Repairing a damaged Microflex
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Old 11-13-2011, 03:25 PM #11
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Default Re: Micro Flex Driver Help

Quote:
Originally Posted by rocket689 View Post
Here's a little tutorial I did a while back.
Maybe it will help.
Repairing a damaged Microflex
I don't have any pots that small but i know it is a 1k pot usually 800 ohms. Can you look at my older post to see if that pot would work?
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Old 11-18-2011, 08:59 PM #12
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Default Re: Micro Flex Driver Help

Quote:
Originally Posted by jake642 View Post
I don't have any pots that small but i know it is a 1k pot usually 800 ohms. Can you look at my older post to see if that pot would work?
I finally got around to getting a vernier caliper and a Flexdrive together.
Dimensionally, the package size looks right.
I have not tested resistances or range of the stock pot, but that looks like it should work.
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Old 11-18-2011, 11:20 PM #13
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Default Re: Micro Flex Driver Help

Quote:
Originally Posted by rocket689 View Post
I finally got around to getting a vernier caliper and a Flexdrive together.
Dimensionally, the package size looks right.
I have not tested resistances or range of the stock pot, but that looks like it should work.
Thank you, any tips on the soldering?
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Old 11-19-2011, 12:02 AM #14
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Default Re: Micro Flex Driver Help

It's a typical SMD solder job.
Use a small amount of good flux on the pot's legs, hold the pot in place on the board.
With a tiny bit of solder on the tip of your iron, touch each leg until the solder flows and joins the board trace to the pot leg.
Be quick and do not hold the iron on the board too long; you risk unsoldering other components.
Good Luck!
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My laser list has become way too big; I'm listing some of my favorites out of my extensive collection.
615mw 405nm/12X Spiderfire X-03
148mw 405nm/GGW in my "Hotlight-Saber" host
1920mw 445nm River Rock custom
1530mw 445nm Yobresal
1360mw 445nm Qumefox Sipik
800mw 445nm WL Arctic Spyder S3
240mw 473nm CNI Labby
8mw 473nm CNI Labby
528mw 532nm Lazerer Cannon
310mw 532nm Firedragon III
300mw 532nm CNI Labby
180mw 532nm SKY Laser
4x 147-267mw 532nm Waterproof
900mw 635nm in Temporary Finned Labby Sink
Several 635nm diodes awaiting a build
500mw 650nm Dual LPC-826 Labby
251mw 650nm/LPC-815 Ultrafire U-501B
Several 685nm diodes awaiting a build
3W 808nm diode awaiting build

Kenometer w/ Coherent Thermopile 10W
LaserBee 2.5W USB LPM
Radiant Alpha 2W LPMSOLD=Now in Kuwait!
1.2W RGB Projector; JNM Wide Sky Galvos (Made in Germany); Laser Show Express; Arduino-based DAC
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