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I figured I'd do a box one for my first try. It works great, burns matches instantly at about 5 feet. I decided to go with a 7.2v lithium camcorder battery.

Thanks for asking the diode question. I was having a problem the other night with voltage being higher than I liked, the ddl on 7.2v lithium thread. I couldnt adjust things to get below 3.14-3.17v without dropping my mV to the 50's. I just had the light go on!!!!! I think that I have my 1N4001...

Is there any problem using a 6.8uF 35v cap? It should provide enough protection for any spikes we would deal with. I have a couple around and they would fit right into the tube, my can cap doesnt fit. Thanks for all the help so far, I should have my box laser done in the next day or two!! Ken

I have the DDL circuit wired with a 100 Ohm pot and a 4.9 ohm resistor and my senkat LD/Aixiz module just arrived today. If I want to run a 7.2V lithium battery, all I need to do is adjust my pot to ensure the voltage across the LD is around 2.9 volts correct? I'm using the dummy load of 1ohm...

What do you think about these two options?? individual LD's 650 nm 200 mW power 200 Ma operating current 2.5v operating power TO18 package (Same as typical diode) and this module type Laser Module Specifications: Beam Shape: Circle Lens: Glass with AR coating Wavelength: 658nm Power: 200mW...

I ripped apart a lite on 16x dvd. it took about 3 minutes to have the diode module out and about another minute to carefully extract the the diode. I can't believe how easy it came apart. I was expecting the diode to be bigger for some reason. If I didn't know what I was looking for, I'm sure I...

How about a stupid question for my first post!!!! I've read and read but cant find the answer. Does it matter what 100 ohm pot I get for the Daedal driver? single turn? how many watt? etc.  If someone has a part number that would be great. I want the smaller box type board mount style. My...