I tried to activate all 4 endstops … load or back up SPI Flash and SD. This will fail after timing out waiting on the Z endstop you don't have. I guess it possible that the dual endstops mode in marlin just not designed for homing to max. In general, on deltabots the probe should be connected to the unused Z-Min endstop pin (if there is one). Marlin’s extruders=0 or remapping of pins is used in the firmware to allow the use of all the control boards drivers. Marlin provides reasonable defaults, but they will not apply to every situation. The unused extruder driver/s are used for the extra stepper/s. I have an old Solidoodle 2 that I bought broken from a garage sale that I am converting to use RAMPS 1.4 with Marlin Firmware. With Marlin and you're not using the max endstops, did you disable the max endstops? Get TMC Debug Info. Marlin also has support for software endstops. I’ve successfully tested every possible combination of M119. All the motors work correctly, I am just having issues getting the endstops to work. People new to the CNC world should not use this, this is a advanced technique. I am trying to use Repetier-Firmware on a 3D printer with no endstops. nozzle PARK_HEAD_ON_PAUSE ... sdcard HAS_SPI_FLASH SDSUPPORT MARLIN_DEV_MODE M993-M994 - SD / SPI Flash. #define min_software_endstops false There are many different types of hardware endstops, but there are only two ways for the switch logic to work, either Normally Open (NO) or Normally Closed (NC). Suggested Fix. It might, but the motion feedback in grbl is totally different. I am trying the following: G0 S1 – disable checking endstops ... My opinion just use Marlin firmware, I have been printing without endstops for years without problems on Marlin . I am using a regular limit switch with NC going to the signal pin and the other to ground. Inverting those booleans did not do the trick, it just made so I needed my switches soldered to the opposing pins(NO/NC). A software endstop tells the machine that it should not attempt to travel beyond a limit defined in software. Attempt to use the "auto home" function in the Marlin firmware. That’s just a guess. On machines that use Z-min for an endstop, the Z-Max pin is recommended next, so this is set as the default alternative on most boards. If you want to control Marlin … First, most jobs will not benefit from using endstops. Mechanical endstops are connected to the signal and ground pins filtered or optical endstops use all three pins, connect these with extreme caution. I tested each one individually and I get the correct axis triggered when I push by hand, but , the thing is they wont make the motors stop , they keep pushing against the end. I don’t know anything about carbide motion but if it’s grbl compatible, it probably won’t work for Marlin. mikej (Michael J) November 23, 2019, 10:37am #8. I am suggesting that there should be a way to disable the Z MIN endstops if the "laser" function is enabled, so that the firmware will not timeout with a "printer killed" message. 1.1.7 debug HAS_TRINAMIC_CONFIG M122 - TMC Debugging. Hi friends, I have assembled the endstop version of MPCNC , and tested each endstop in repetier and I get the TRIGGERED status when pushing by hand and checking m119. Marlin has the dual endstops. For our analogy about the room above, if stumbling into the wall is our mechanical endstop then our knowledge about the opposite wall being +5 away would be a software endstop . My support for this will be limited.-You can now use the machine in two ways. It is quite difficult to do manual homing. Normally open means the switch closes the circuit when triggered, and in Marlin this seems to be the default in Configuration.h. Disable endstops and keep them enabled when not homing. Getting the machine close and just running a quick one off carving or sign has no need to go through all the extra steps. calibration TOUCH_SCREEN_CALIBRATION They are mechanical endstops and they keep saying triggered and even if I trigger the endstops or untrigger them they say they are triggered no matter what. Machine close and just running a quick one off carving or sign has no need to go all... Marlin firmware the machine close and just running a quick one off carving or sign has no to... Has no need to go through all the motors work correctly, i am to... Every possible combination of M119 SD / SPI Flash did you Disable the max endstops it should not this... Marlin and you 're not using the max endstops J ) November,... 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