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Go Back   Laser Pointer Forums - Discuss Laser Pointers > Lasers > Drivers, Test-load, Power Supply, & Batteries



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Old 03-08-2014, 09:39 PM #1
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Question help with driver

some people say you can use the lm1117 in a laser driver but i found a 903t63 on my dvd circuit board is that an acceptable replacement for the lm317 and lm1117?

help would be greatly appreciated i an building a 2 axis laser engraver/cutter


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Old 03-08-2014, 09:51 PM #2
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Default Re: help with driver

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Originally Posted by oldsmarracin View Post
some people say you can use the lm1117 in a laser driver but i found a 903t63 on my dvd circuit board is that an acceptable replacement for the lm317 and lm1117?

help would be greatly appreciated i an building a 2 axis laser engraver/cutter
You are going to need have some electronics knowledge if you dont use a pre-made driver.... asking if a 3.3v regulator can be used as a driver suggests you might not.

Buy a driver, you will save money.

-Jim
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Old 03-08-2014, 10:03 PM #3
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Default Re: help with driver

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Originally Posted by JimMc View Post
You are going to need have some electronics knowledge if you dont use a pre-made driver.... asking if a 3.3v regulator can be used as a driver suggests you might not.

Buy a driver, you will save money.

-Jim
This is why I was asking if anyone has done this because I do not have the money to spend on parts I have built the entire engraver out of recycled materials. I do have some knowledge about electronics but when it comes to replacing parts with something that might be equivalent I dont want to be wrong and it blow up on me cause i may misread one thing. So I thought I might ask someone with more knowledge than me. This is not my first project I have made many others. So if someone could please help that would be great.

sorry im not trying to be rude if i am
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