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Marlin Firmware

Introduction

Marlin is a firmware for RepRap 3D printers, the software that resides on the controller board and controls the input/output, voltage states, and movement of the 3D printer. It runs specifically on the Arduino platform. Depending on configuration options, the size of the Marlin binary image may be anywhere from 50K to over 200K. It supports a huge number of features, such as:

• Servos for bed probing
• Bed Auto Leveling
• Mesh Bed Leveling
• Manual Bed Leveling
• Firmware Retraction
• Thermal Runaway Protection
• EEPROM save and restore
• Thermistors and thermocouples
• LCD Controllers and SD cards
• Delta, SCARA, and Cartesian kinematics
• USB communication
• A rich dialect of G-Code
• Up to 4 extruders
• Several specific boards

Essential Resources

• Marlin on Github – Marlin project central. Get the latest Marlin firmware here.
• Marlin Releases – Tagged releases. Reference points for changes.
• Marlin Issue Queue – Read and report Marlin issues, make Feature Requests, and more.
• Marlin Milestones – Issues and Request grouped in sets of 4. So far oldest ones comes first