Product sellpoints User-Friendly Interface:The YH-800 features a straightforward interface, making it accessible for both professionals and beginners. High Voltage Compatibility:Designed to handle high voltage
4) The sensors mentioned here are "normally open" switches meaning, that signal is only sent to the board when triggered. You may need to check this line in your firmware.False = Normally Open(see picture) or CTRL+F search "Z_MIN_ENDSTOP_INVERTING" in the Arduino Sketch. (more about ...