G-Code2GRBL logo

G-Code2GRBL for Android

By Andreas Thlke Free

Developer's Description


This App provides the interface between a tablet (10 preferred) and a GRBL controller. The connection is using Bluetooth. The preferred receiver is a Bluetooth device called HC-06. More details about the connection is shown on the Help-Tab Hardware Prerequisites inside the App.

You can use raw G-Code commands as well as predefined buttons to control your CNC device. But the main feature is sending G-Code files to the GRBL controller.

GRBL Versions 0.9 and 1.1 are supported.

Some Features are:

- Buttons to move all Axis and setup zero positions etc.

- Support of Z-Axis Probing

- Sending G-Code files

- M06 Tool Change adapted to GRBL's M00 Pause command

- Observing the communication

- Store often used commands

- Arduino Sketch to configure the Bluetooth receiver

- Help Pages to setup the Bluetooth connection

- Speed Change during file transfer

Required Permissions:

- SD-Card read/write/delete

Read files to be send to the CNC machine

Write Setup files and the HC-06.ino Arduino Sketch

Delete - not used

- Access to the Network

Copy GCode files onto the device

- Admin Bluetooth Settings

Open a connection

Send/Receive Bluetooth data

Sometimes I get crash reports for older versions. Please do an update and check yourself if the error has already been corrected.

If you want to help me with the improvement of the app, please communicate problems and instructions for the reproduction of the error via email.

Full Specifications

What's new in version 2.04


Release January 23, 2020
Date Added January 23, 2020
Version 2.04

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 4.0.3 and up


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