Diode vs CO2 for engraving

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Combination CO2 and Diode laser in same machine

Another question here got me to thinking about combining a CO2 laser and Diode laser in the same machine. I know some Ruida controllers have the ability to control 2 laser heads. Would controlling the Diode laser be simple? This is just a silly idea but curious if anyone has considered it or tried it.

Adding a diode to Ruida machine

I’m trying to add a diode laser to my Ruida CO2 machine for lower-power engraving. Specs: Ruida 6445G(EC) controller 100-watt Reci tube NUBM44 diode laser J-Tech Photonics high-current laser driver The driver has very simple connections: power in (from its own power supply), PWM in and power out to the laser. [20200323_154322] I know these are connected properly as they’re clearly labeled on the PCB itself: [20200323_154525] I have the PWM in connected to pins 1 and 3 (LPWM2 and GND…