- Joined
- Jun 7, 2012
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- 3
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hi ,can you tell me how to make a difference between 200MW green laser to 5 mw ,do they has any appearance difference. How to test the power?I dont know much about spirographs, but for a DIY, I like it!
If you want to get rid of having 2 sets of batterys/power supplies, you should look into using a 3v regulator.
Just an idea if you want