The GRBL code is responsible for taking the g-code commands sent from the computer, storing them in a buffer until they are ready to be converted to step and direction signals and sent to the CNC ...

USB To DB25 Adapter Uses GRBL For Parallel Port CNC Communication. September 16, ... there is a clear and obvious trend of the parallel port becoming less and less common.

I don't know if this parallel DB25 to serial DE9 to serial Mini DIN-8 to USB converting ghetto chain works, but a reader says it does, and I really, ...

The DB25 (originally DE-25) connector is an analog 25-pin plug of the D-Subminiature connector family (D-Sub or Sub-D). The DB25 connector is mainly used for serial connections, allowing for ...

My X31 had a parallel port, and there was a serial port on the optional UltraBase. I've never seen the UltraBase in person, but I expect it makes the X31 one thick but tiny footprint beast.

What is a serial port? Serial ports are generally built into the motherboard. This is why the connectors behind the casing that are connected to the motherboard by a wire cable can be used to connect ...