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We kinda need to see your schematic.

Hallucynogenyc is right on with the formula. I come up with an 8.3 ohm resistor. You may not find that, but an 8 ohm will give you about 156Ma. Bear in mind almost any resistor can be 5% or 10% off and still be considered good, that will affect your Ma. The pinouts confused me too. the...

THANK YOU DAVE !!I was using the same tired old 9v battery I always use. I changed for 4 new "AA"s and zippo, nothing wrong with the driver at all. And I thought that I was getting pretty good at this stuff - I'm damn glad that you are around. Thanks again!!

Front shot FlexDrive.

Here's a shot of the back, the front will follow shortly, I've got to take a new one with better lighting. I want to get 450mA for a Red build so I've bridged all 3 resistors for the 155mA-600mA range.

I am using one of Rkcstr's dummy loads. I'll have some macro pictures uploaded momentarily. And Thanks for helping, please know that it is appreciated.

Thanks for the reply, but this driver boosts the voltage to the level needed by the diode, so if there is a small difference needed it will be met by the driver. That's one of the main reasons that so many enthusiasts are quite willing to pay $23 for these little gems. The problem here is that...

Micro Flex Drive problem, too MrLWJPDX : Did you ever resolve your problem? I've got the same thing, except I'm bridging all 3 resistors. I get 25mA no matter where the pot is set. I've closely inspected the whole board with a 10x loupe for stray solder bridges and bad joints, it looks good...

Thanks, Jay...

Whoa, that was close. I almost had to buy the purple one, I couldn't stop thinking about it.

FYI - If you do a deal with Raybo, you may count on him going the extra mile. I got a soldering station from him and he went beyond the reasonable to make sure I got it quickly. And I APPRECIATE it. Whatta' dude.

You can take JayRob's annual income and divide by 2. But money well spent. :wave: (Okay, maybe a small exaggeration).

I got out yesterday and only spent $55. I am still going through bags of stuff, some stuff that I've wanted since I was a little kid. Harbor Freight is one of the most dangerous places for your pocketbook. My theory is that they sell their stuff so cheap that the whole economy of China will...

I think you are right, they are playing the game of middleman. Their business model seems to be to wash their hands once they get the money and ship anything (partial, broken, whatever). But they want to do business in our countries and they need to pull up their ethics a notch and provide...

When is a good deal not a good deal? When you only get half the product that you order and that half doesn't work. I 've seen enough of these problems posted to know that this isn't a slipup, it's a way of doing business. I've tried to chase these crooks down half way around the world, but...

Dustin: That was my Ehgemus host with an O-like 130-150 532nm module. I think it's closer to 200mw, I guess if I knew someone nearby with a Laserbee, I could be more precise (hint,hint). If you like beer and piazza I might be able to make it worth your while.

Thanks, I'm no camera guy, but I did get it to do a 6 second exposure with a tripod.

Here's what you get when you wave 200mw of 532nm around in the snow. The picture really doesn't do it justice.

Thanks for the advice HMike. I've got projects lined up on the bench just waiting for this tool.

Sorry, a little dyslexia creeping in. 385mW (I hope that's better)