Using PWM Pulse Width Modulation to control a Laser Diode for engraver cutter TTL GRBL Arduino

I wanted to test and make sure my new laser was working before I started wiring it in. These laser diodes coming from China are activated my either 5V TTL or PWM. Hopefully this video helps clarify if you were wondering how to control these lasers.

PWM generator used in this video
https://www.amazon.com/gp/product/B07VP3YPS4/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07VP3YPS4&linkId=492eacca42cc399c2acac3ba2336443d

15W laser
https://www.amazon.com/gp/product/B0796WDZ1K/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B0796WDZ1K&linkId=d64365743f4750194f8ff3bfd41d62f0