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How to Make Led Driver for Laser or Led Diode - YouTube
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日期：2026-04-23
Visit my blogspot:http://macoprojects.blogspot.com/ or visit my channel:https://www.youtube.com/user/macobt Led driver made of two componets LM317 regulator and one resistor,value of resistor is calculated by formula R=1.25/current you get the resistance ...看更多
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