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Grbl v1.1 has been released at our new! The old site will eventually be phased out. Find the new documentation This wiki page is intended to provide various instructions on how to use Grbl. Please feel free to contribute and help keep this page up-to-date! Getting Started (For New Users.) After flashing Grbl to your Arduino, connecting to Grbl is pretty simple. You can use the Arduino IDE itself to connect to Grbl. Experiment or play with it, just to see if you like it.
Other serial port programs, such as CoolTerm or PuTTY, work great too. The instructions are pretty much the same. • Open up the Arduino IDE and make sure your Arduino with Grbl is connected to your USB port.
• Select the Arduino's Serial Port in the Tools menu, as you would normally with an Arduino. • Open up the 'Serial Window' in the Tools menu.
• If you are using Grbl v0.9, make sure to change the baud rate from 9600 to 115200. • Once open, you should see a Grbl welcome message like Grbl v0.Xx ['$' for help]. This means all is good! You're connected! • Make sure you change the 'No line ending' drop-down menu to 'Carriage return'. If you are using any other serial port program, you must do the same. • If you haven't received the welcome message or some garbled characters, make sure that the baud rate is set at 9600 (or 115200 for v0.9+).
From here, you can simply start sending Grbl some G-code commands, and it'll perform them for you. Or, you can type $ to get some help on what some of Grbl's special commands are or how to write some of your machine settings into Grbl's EEPROM memory. When have started to feel comfortable with G-code/CNC and you're ready to run a whole G-code program, we recommend that you use one of the many great GUIs that users have written to stream your G-code programs to Grbl and to fully harness all of Grbl's capabilities. NOTE: Check out ShapeOko's. It has the most up-to-date and comprehensive list of Grbl GUIs.
How to Stream G-Code Programs to Grbl [bCNC] () An advanced fully featured g-code sender for GRBL. BCNC is a cross platform program (Windows, Linux, Mac) written in python with minimal external dependencies. The sender is robust and fast able to work nicely with old or slow hardware like (As it was validated by the GRBL mainter on heavy testing). Features: • simple and intuitive interface for small screens • importing g-code and dxf files • fast g-code sender (works nicely on RPi and old hardware) • workspace configuration (dialog for G54.G59 commands) • user configurable buttons • g-code function evaluation with run time expansion • Easy probing: • simple probing • center finder with a probing ring • auto leveling, Z-probing and auto leveling by altering the g-code during sending. • height color map display • manual tool change expansion and automatic tool length probing • Various Tools: • user configurable database of materials, endmills, stock • properties database of materials, stock, end mills etc. • basic CAM features (profiling, pocketing, drilling) • User g-code plugins: • bowl generator • finger joint box generator • simple spur gear generator • spirograph generator • surface flatten •.