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    possible 3$ boost circuit

    I was messing around with the 1aaa rayovac penlight. The exact same one found http://www.flashlightz.com/product.php?product=171701. Except I got mine from Wal-Mart for $3.88 The first one i bought i measured 78 mA. I removed the resistor and measured over 200mA.. I couldnt tell you how much...
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    My Red Lab Style Laser

    I finished my lab style red laser! Its not necessarily "clean looking" however it has a long duty cycle and it REALLY powerful. Here are some pics 1st pic shows the insides, I made a capacitor array so there was a slow turn on/turn off. I'm not sure it does anything for the diode, but I...
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    Calculating battery length

    I am going to make a laser much like drlava's posted here http://www.laserpointerforums.com/forums/YaBB.pl?num=1209532949. I'm also using his driver, which from what I've heard was 88% efficiency. I also heard mAh is MilliampHour or how much current a battery will discharge over a period of one...
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    How do I open up the dx30?

    I recently received my dx30 and there is a very noticeable dimming between the dx30 and romisen 30mw. It starts out really bright and then dims down to, what looks like, 5mw. I was trying to think of solutions to fix it and I thought maybe turning up the potentiometer would work. This way it...
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    Romisen Repair  L-B030

    So I recently received my Romisen laser and the wire that is connected to the spring broke :/. I soldered the wire back to the spring and reassembled it, but it doesn't work for some reason. I noticed that where the wire was connected the 'solder' didn't melt. Odd. However I can eliminate...
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    My First DIY Red!

    Hello everyone! please be respectful this is my first DIY red :P I was going to use this host for a DIY blu ray, but after all the work I went through there wasn't enough power. :/ So I thought why not make a red laser! Here's my host Soldered two leads and taped. I glued a rubber washer...
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    My 803T blu-ray

    Hello laser pointer forum community! This is my first REAL laser, (havent had any over 10mw) and my first diy laser. I only have one concern though. I ordered the fixed assembled 100ma driver that fits inside the aixiz module however my host takes 3 aaa batteries. Which means there would only...


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