When I compile / upload grbl 1.1e from Arduino IDE 1.8.3, I get some error messages. The upload finishes and grbl appears to work afterwards (I can send commands, and grbl responds, the response looks ...

Using library grbl in folder: C:\Users\oddw2\Documents\Arduino\libraries\grbl (legacy) exit status 1 Error compiling for board Arduino Nano.

The proprietary control of CNC machines results in the inability to control and enhance inputs because the program codes cannot be modified owing to their distribution by vendors in the compiled form.

Grbl ESP32 CNC controller board is a breakout board for NodeMCU 32S board, three stepper motor drivers, and designed to run Grbl firmware.