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    Scheme for 2W m140 diode driver

    Hello Guys, I just joined LPF. I ordered 2W m140 with G2 lens(1.8 amp suggested) Now, I need a driver scheme.I have tons of resistors, variable resistors, regulators and capacitors. I have questions about diode's working principal 1-) Can I use 2 of LM317T regulator to give diode 5V and...


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