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    Powering a Sanwu 650nm 250mW laser

    Hello everyone, I just bought some more or less noname 250mW 650nm laser diodes (de.aliexpress.com/item/4000826011161.html). I removed the heatsink and at the back of the driver I can see the "SANWU" tag. The circuit-board in the shop-images does not match the one I can see with the heatsink...




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