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  1. H

    DIY Homemade laser diode driver

    hi Daedal; thanks for your help much; now i have time to take photos and let u see my circuit.  from figures it is a 200 mw it is rated 174ma but seems not as bright as so.
  2. H

    DIY Homemade laser diode driver

    I just built the same circuit for the laser diode which is a 16X single layer DVD burner; I using a virable resistor and the total resistance is about 10 ohums the current is already 128 mA. how come the laser is not as bright as a cheap 5mw laser pointer? I use a 9V battery already. ::) the...


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