Ender 3 pro bl touch firmware 4.2 7 July 8, 2019 16 32 64 128 Ender 3 bltouch firmware 4.2 7 Ender 3 4.2 7 bltouch firmware Marlin firmware ender 3 pro bltouch 4.2 7 Ender 3 bltouch setup Ender 3 bltouch marlin configuration Ender 5 pro firmware update How to install bltouch on ender 3 pro
