awlego
0
- Joined
- Oct 9, 2009
- Messages
- 160
- Points
- 0
I recently purchased a new green module from modwerx and was extremely pleased with it. I tried to put it in a flashlight host with a heat sink after bypassing the switch and soldering it to the switch in the host. It worked great when I tested it just before I made the final mounting. Then I sealed everything up and now it doesn't work...
So I took the module out and and tried again to test if there was some bad connection when I put everything inside, but now my laser won't turn on at all :/
I've tried resoldering everything on the driver. I've resoldered the pins. I put new wires on...
still no laser light. Or regular light for that matter... not even the 808nm, so I doubt that I broke the green part of it.
It never ran for more than a few seconds, and being a >10 mW it wasn't running very powerful. It was already hooked up to everything and ran smoothly so I doubt electrostatic shock killed it. The only thing I can think of is that when I put it in the flashlight the driver board bent a little... I just straightened it. This bending happened maybe 5 or 6 times in the process of trying to fit the module into the custom host.
Any ideas what's up?
Also, while I'm talking about (possible) dying diodes, my PHR that I harvested died soon after hooking it up to my LM317 driver. I harvested it, following Jayrob's very helpful video's, put it in an aixis module, then carefully pressed it in using the back of the aixis module. I then hooked it up to my LM317 driver (which I tested beforehand using a DMM and I know it works) which can vary current from 37mA to 125mA using a large pot. I successfully ran the entire range of current, then realized my diode wasn't flush and so tried to press the diode in further. In doing so I disconnected, then reconnected my driver... without shorting the cap :/ Is the reason this one died because of the surge from the capacitor? I'm using a 16V 470uF electrolytic capacitor. I'm betting this is the case... oh well it's my first harvested diode. Live and learn, no?
By the way, any idea what the specs on the red diode that comes in the PHR sled are? Voltage = 2.5-3 I'm assuming? How much current are these rated for? I'm interested in using it as a test diode for some circuits...
Thanks so much!
Awlego
So I took the module out and and tried again to test if there was some bad connection when I put everything inside, but now my laser won't turn on at all :/
I've tried resoldering everything on the driver. I've resoldered the pins. I put new wires on...
still no laser light. Or regular light for that matter... not even the 808nm, so I doubt that I broke the green part of it.
It never ran for more than a few seconds, and being a >10 mW it wasn't running very powerful. It was already hooked up to everything and ran smoothly so I doubt electrostatic shock killed it. The only thing I can think of is that when I put it in the flashlight the driver board bent a little... I just straightened it. This bending happened maybe 5 or 6 times in the process of trying to fit the module into the custom host.
Any ideas what's up?
Also, while I'm talking about (possible) dying diodes, my PHR that I harvested died soon after hooking it up to my LM317 driver. I harvested it, following Jayrob's very helpful video's, put it in an aixis module, then carefully pressed it in using the back of the aixis module. I then hooked it up to my LM317 driver (which I tested beforehand using a DMM and I know it works) which can vary current from 37mA to 125mA using a large pot. I successfully ran the entire range of current, then realized my diode wasn't flush and so tried to press the diode in further. In doing so I disconnected, then reconnected my driver... without shorting the cap :/ Is the reason this one died because of the surge from the capacitor? I'm using a 16V 470uF electrolytic capacitor. I'm betting this is the case... oh well it's my first harvested diode. Live and learn, no?
By the way, any idea what the specs on the red diode that comes in the PHR sled are? Voltage = 2.5-3 I'm assuming? How much current are these rated for? I'm interested in using it as a test diode for some circuits...
Thanks so much!
Awlego