![]() ![]() To get everything started, I set up the ESP32 GRBL development board per the instructions below using the recommended ESP32 board, stepper drivers, and SD card module. With the hardware ready to go, it was time to switch to the software and configuration. With the board in place, it was time to put everything else back together: Once I was sure about the rest of the wires (which could be installed non-destructively), I cut off the end of the USB extension so that I could install a microUSB plug (for plugging into the ESP32 board). Showing the pairs of windings for the stepper motors:Ĭhecking the fit of the ESP32 control board mounting piece:Īnd the switches along with new paper labels: I labeled all the wires and removed the control board:Įxperimenting with micro switch positions using poster putty: I didn't use the regulator but it could be used to drop the 18v input to 12v for controlling the solenoid.Ī few more screws to remove the plastic covering and expose the control board: ![]() Once the metal brace was flexed slightly, it was removed along with the voltage regulator. Two screws on each side hold the flat silver brace in place: 1 votes Removal of the previous control board: ![]()
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