![]() ![]() Nothing to do here (I think), the spindle speed range is 0 to 1000 (i.e. The stepper drivers where set (hard-wired) to 1/16 micro-stepping. The stepper motors are 0.9 degrees per full step. It confused me as I am used to the motors staying on. Surprisingly GRBL did not work "out of the box", Basically, "$1=25" shut down the motors after doing a move. I am currently using a 12v 2.5A plug pack but I suspect this will be inadequate for both the motors (0.64A per phase, there are 4 phases) and the Laser (1A). ![]() It has a built in power on/off buttons which are quite handy:Īs my laser module has a built in power supply and only needs PWM, but this gives you the idea: Here is the controller I am using (except my is covered with labels): I thought I would buy the latest Laser CNC controller as I would like to use grbl v1.1 (my old Laser uses grbl v0.7 and is not compatible with later grbl versions). The latest is v1.1, in this version the spindle on/off and spindle speed (PWM) pins have been swapped. I have an old Laser controller but it only supports grbl up to v0.9. But I intend to convert a cartesian gCode file into a format that will fool grbl. Grbl does not have native support for SCARA. ![]()
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