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Re: Light to Frequency converter/sensr at Radio SH You might be able to make a power meter, but it would only be able to handle very low power. And you'd need several very stable lasers of known power in order to calibrate it.

Re: Light to Frequency converter/sensr at Radio SH I'm not certain, but I think it outputs a signal (probably a sine or square wave, we'd hope for a square) whose frequency is proportional to the light intensity.

Much highly ratign feature for increas value you again experience from home of the most power flashlighting and lasers. Great sucess is youres! For great justice!!

Re: FusionDrives GB - 32 UNPAID {rant} First, don't shush me. Second, I calls 'em like I sees 'em. Third, I don't care if they deserve to be dropped from the GB or not, it has nothing to do with me. Fourth, and most important, (In my opinion,) for someone hosting a GB to be trusted, they must...

I'm pretty sure I saw a guide on CPF about making one of these. I think it was powered by a bunch of LiIon cells.

Re: FusionDrives GB - 32 UNPAID Way to stand by your word. :(

Re: Will I be able to use the diode out of a Panas While it probably does have a red laser diode in it, it will most likely be of rather low power as I doubt it's faster than a 1X or 2X burner. If you're asking because you have a dead E50, then I'd say you should go for it. It will teach you...

Much safer to use the diode check function on your DMM.

[smiley=tekst-toppie.gif]

Have a look here

To the top.

Have you heard of AdBlock? You can block any image you don't like.

Well, this thread has only been quiet for a month or so. Maybe it's time to bring it to the top. @all Any thoughts on if it should in fact be required reading for new members? I'd be glad to make 20 or so questions on the article to act as an automated public Turing test.

Perhaps if he had been killed at the end of the video it wouldn't have been so bad.

What do you mean by 'safe' ? If you mean 'Will the battery explode or catch on fire?' the answer is 'most likely no.' If you mean 'Can I use a few LR44s to power my LM317 constant current source?' the answer is 'yes, but only for a few seconds before the driver starts dropping out.' If you...

Perhaps this is why.

Re: du u have to use a 16X dvd burner diode in you I can't understand most of your posts. Please use words. I'd prefer English, but Chinese, Dutch, French, German, Greek, Italian, Japanese, Korean, Portuguese, Russian, or Spanish would do.

You probably will want the red laser diode. put your DMM on the diode check function and see which one makes red light. But do not look into the diode! Instead, shine it at a dark surface.

Many things are possible, but as for safe...the best way to keep your laser diode safe(r) is to use a constant current source/sink. I'd suggest using one 14500 protected cell to power the AMC7135. Have a look for the thread Gazoo started about it in the E&M board.

Have a look for the one Kenom built powered by LR44s.