For Marlin 2.1.2.1, the default laser TTL pin can vary based on your board and configuration. It's often set in the pins_arduino.h file or in the configuration files for your specific setup. Commonly
, people use pin numbers like D11 or D3 for laser control
, but it's best to check your board's documentation or Marlin's configuration settings for the exact default. If you can’t find it
, consider asking in the community for more tailored advice based on your hardware setup!
Edited 1 time(s). Last edit at 09/27/2024 04:03AM by Michealj.