![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-10.png)
Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers
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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-11.png)
Upgrading of a board with the Marlin firmware for laser engraving using an RAMPS 1.4 board as an example. - EnduranceLasers
![Aokin 4PCS RAMPS 1.4 Mechanical Switch Endstop + CNC Shield V3.0 Jumpers DRV8825 A4988 GRBL Stepper Motor Driver Heat Sink _ - AliExpress Mobile Aokin 4PCS RAMPS 1.4 Mechanical Switch Endstop + CNC Shield V3.0 Jumpers DRV8825 A4988 GRBL Stepper Motor Driver Heat Sink _ - AliExpress Mobile](https://ae01.alicdn.com/kf/H2c70e41c9ebd4365b2abb73db1385463T.jpg_640x640Q90.jpg_.webp)
Aokin 4PCS RAMPS 1.4 Mechanical Switch Endstop + CNC Shield V3.0 Jumpers DRV8825 A4988 GRBL Stepper Motor Driver Heat Sink _ - AliExpress Mobile
![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
![Wiring up a laser to Ramps 1.4 with Marlin 2.1.1 on MPCNC - Software / Firmware - V1 Engineering Forum Wiring up a laser to Ramps 1.4 with Marlin 2.1.1 on MPCNC - Software / Firmware - V1 Engineering Forum](https://reprap.org/mediawiki/images/c/ca/Arduinomega1-4connectors.png)