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  1. Tech

    Constant current step-down driver ?

    I need a constant current driver to power different LDs from different batteries. Input voltage: 2.8-4.2 V (wider is better) Output voltage: 0-2.2 V (may be not adjustable) Output current: 0-1 A adjustable (0-2 A is better) It should be a highly efficient switching driver with small form...
  2. Tech

    Hello, my laser project and a question

    Hello everyone, I already started a thread about my laser project that introduces me. My 532nm DPSS module - home built from scratch ! I just can't find a way to upload an avatar to my profile. How can I do it?
  3. Tech

    My 532nm DPSS module - home built from scratch !

    Hello everyone. I'm new to the forums. Let me introduce myself with my DPSS laser project. I built this project in 2007 after reading the famous Sam's laser FAQ. Bottom line: In 2006 powerful laser pointers were very costly with few suppliers on the market. I purchased a Wicked Lasers Nexus...


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