Use your Android phone to stream G-code to your GRBL controlled CNC machine, wirelessly using Androids on-board Bluetooth! Requires an HC-05 or HC-06 Bluetooth module to be connected to your GRBL controller.More info here:http://www.shapeoko.com/forum/viewtopic.php?f=3&t=7951* Adjust feedrate, spindle speed, and toggle coolant on the fly in REAL TIME!* Handy onboard jog pendant with adjustable jog increment!* Supports DRO display for legacy GRBLv.9x and current GRBLv1.1x!* No Ads or popups!* 15 user programmable buttons!* Stream an entire G-code file!* Send a short text command!* Start/Stop and resume streaming!* Live DRO display!