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  1. A

    Light and sound

    Hello. I'd like to know if any of you tried to transmit a sound signal via laser ? Thanks
  2. A

    something wrong with my batteries/charger

    Nominal voltage of your battery is 4,2V ? What is the load voltage of your charger and in-charge intensity ? I don't think it comes from charger. If you let them down to 3V, I'm almost sure they are dead.
  3. A

    How laser diode drivers work; An Explanatory Thread

    There is something I'm missing. I got a laser diode with two pins. + and - It is supposed to work with 2V DC. If I take a 2V DC battery, why would I need any kind of regulator ? Thanks. Edit : Didn't took in fact that it is a semi-conductor and the current isn't linear to voltage.
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