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Hey thanks for the reply, The browse for file button would 'depress' but didn't do anything - and then application sort of just sat there not working, but unable to close (but would minimize)...not a typical freeze up like I'm used to. It had to be shut down forcably. I will do some updating...

I am intrigued to think we could soon be building our own boost drivers! I had to google what a toroid (in eletronics) is :) - to think I was going to be an EE when I grew up instead of what I became... c

I hope this is the right forum to post this in, As a relative New-B I'm trying to minimize the risks, but one I had to take was to buy a Green laser from Price Angels. I saw on the forum somewhere people were talking about Price Angles being legit, but I couldn't tell if they were "real...

Ack My last post dissappeared - or maybe my connection died but oh well. I won't even try to rememebr. I want a laser turtle - I mean, I feel even more confident using the LM 317 based circuits. I've been collecting diagrams for other circuits and I think I want to make other variants as...

Hey thanks for the reassurance! I wanted to be sure before I endeavored to make as small a driver as I could with these "full size" parts. c602

Hey ! I've really been enjoying the hobby, building hosts & drivers, lurking on the forum reading much of the great information that has been shared. But I wonder if the drivers I am building with the LM 317 w/ cap & diode for protection and tested with a dummy load are as safe to use as the 1...

Wow - nice packaging, just about bullet proof! Next - to get one of these into it's new home.. (matt) Cad602

THanks! I've actually made a couple of drivers recently - but they were kind of 'big' ...Just the other day some tiny ones arrived that I had bought from a guy off ebay. Anyway if I've learned one thing it's to not be in a hurry. These diodes get expensive quickly.

Hey, I've been lurking for about a month (low duty cycle) and I can tell I'm going to love this place. I actually have an old Helium Neon laser that was given to me in 1983, and I had many years of fun with it...putting on shows for my friends. Then it was stolen in 1999. A few years ago I...

getting two - right now!

Dang I did the same thing. Sort of. 'cept my circuit had the cap and diode. Also, I was using a 3.9 Ohm resistor w/a 25ohm pot and previously everything was fine... But I just finished this project board that has a transformer stepping down the voltage to 12v then a zenar diode giving me...