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Old 04-28-2009, 08:23 AM #1
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Default Help with hooking up 240mw laser

Hello all, I am having an issue with this laser which I have just brought off ebay, it came with the module, and driver, all connect to each other, but I have no idea how I am going to connect it up to a power supply. The driver accepts voltages between 11-17 volts. Do I plug it in to the wall? What sort of battery will I need? Etc?




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Old 04-28-2009, 09:26 AM #2
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Default Re: Help with hooking up 240mw laser

It is most likely to be a DC driver, though I am a little surprised at the 11v starting point :-/
You could try to connect it up to a PP3 9v battery to see if it is working.
This is not a long term solution though as the battery will not last long.

Could you post the ebay item number, it may help us help you.

Regards rog8811
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Old 04-28-2009, 12:35 PM #3
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Default Re: Help with hooking up 240mw laser

Yeah I hooked it up to a 9V battery, it works, although battery doesn't last long, and it doesn't burn anything, but it's very brought though. eBay item #180274529529 240mw 658nm red laser (cutter). and yeah it's a 11v starting point which really has surprised me lol and I'm a noob at lasers. Hope you can help me roger! Cheers! ;D
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Old 04-28-2009, 03:57 PM #4
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Default Re: Help with hooking up 240mw laser

Interesting that the seller does not mention a driver on that listing, from the picture you posted could it be this one? (voltage is slightly different)
http://cgi.ebay.co.uk/laser-driver-f...4.c0.m14.l1262

Get yourself a 4 AA battery holder from ebay.....
http://cgi.ebay.co.uk/4-x-AA-Battery...1%7C240%3A1318

....... and 4 X 14500 rechargables from DX
http://www.dealextreme.com/details.dx/sku.19626

That is 14.4v which should give you plenty of burning power.

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Old 04-28-2009, 04:33 PM #5
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Default Re: Help with hooking up 240mw laser

If you want long term usage, you'll need to find a 9V wall charger. Wall chargers almost always put out more than their rated voltage, so a 9V wall wart will give between 11-13V. You just hook the positive wire to the positive input of your driver and negative to negative and it should work fine. Then you can use the laser indefinitely and not have to worry about using up batteries.
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