Ext pin can be used to connect EStop or Pause switch. Ext pin must also be enabled in settings “Settings/Misc/ExtPin”.
Don’t forget pull-up or pull-down resistor!
Other pins can be used to connect external LED or reset button.
https://planet-cnc.com/wp-content/uploads/2016/02/board_ExtPin.jpg557480Optiwebhttps://planet-cnc.com/wp-content/uploads/2016/01/logo_svg-01.svgOptiweb2016-01-21 10:43:482018-03-14 12:03:26How to connect external EStop or Pause switch on Mk1?