Spindle control board
thingiverse
A relay board for switching a milling spindle on/off. Wired to RAMPS port D10 using Grbl firmware. Host software, run on an Ubuntu laptop, GrblHoming and bCNC. The latter one supports autoleveling which is very handy when milling PCBs. The stepperdrivers are powered from 24V. Two 12V relays are used in series configuration here. The case has been designed with FreeCAD. The PCB created with Eagle and the milling G-code generated with pcb2gcode. The pcb2gcode millproject file has been put into the thing files too.
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