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Connecting a 5500 mW blue laser on a CNC 3018

  • LeLampiste Tuesday, July 3, 2018 9:56 PM Reply

    Hi everybody


    I received my new CNC 3018 with a 5500 mW blue laser.

    This one is equiped with a separate PCB. Two cables are connected from this PCB to the laser.

    On the other side of the PCB, a connector is linked to a female circular 5mm power connector called '12V'

    The machine was delivered with a cable having a male circular 5mm power connector and a small white connector.

    On the arduino-like PCB, there is a adequate white connector designed to be the laser output.

    The 5V TTL input of the PCB is free.


    I wonder how I could connect those simply, having in mind that : 

    - the laser is supposed to be power modulated. Only by 2 wires including the power supply ?

    - the laser is sold to be powered with 24 V (also said that it works with 12V)

    - there is no indication to connect the 5V TTL input (PW modulation ?)

    I didn't find any information about that on the net.


    Can somody help me ?


    By the way, the cable to connect the motor was not supplied a I didn't find how to claim.


    Thanks in advance

    Best regards


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