![I am building my first cnc machine which is a laser engraver and I need to know what pin to connect to on my ramps 1.4 board. : r/CNC I am building my first cnc machine which is a laser engraver and I need to know what pin to connect to on my ramps 1.4 board. : r/CNC](https://i.redd.it/ap0zubbmz3t71.jpg)
I am building my first cnc machine which is a laser engraver and I need to know what pin to connect to on my ramps 1.4 board. : r/CNC
![Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers](https://endurancelasers.com/wp-content/uploads/2022/02/word-image-11.png)
Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers
![Laser help request - MPCNC - RAMPS - Amazon 5.5watt 4 wire laser - Troubleshooting - V1 Engineering Forum Laser help request - MPCNC - RAMPS - Amazon 5.5watt 4 wire laser - Troubleshooting - V1 Engineering Forum](https://us2.dh-cdn.net/uploads/db5587/original/3X/a/8/a853d2c2c1356789ad355554a9aa904c46956e67.jpeg)
Laser help request - MPCNC - RAMPS - Amazon 5.5watt 4 wire laser - Troubleshooting - V1 Engineering Forum
![Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers](https://endurancelasers.com/wp-content/uploads/2022/02/word-image-12.jpeg)