Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week
- more solidly built than sku.46390 - much brighter than sku.46390 - appears to have constant current driver: two transistors are visible on the PCB, and my samples pull a constant ~20mA from 2.5V to 5V
- larger diameter than sku.46390 - no adjustable focus (but well focused as is) - spot is elongated
After bad experience with sky.46390, I was pleasantly surprised - these modules are excellent value for money.
If you're looking for small laser modules, these are the smallest ones of good quality at DX. Will order more.
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