cpassuel Thereis no firmware update for this, however there is a mod to change firmware but you need to replace the MCU. Search Reverse engineering FNIRSI-5012H on Google (cannot put links in answer)

cpassuel Ididn't try but I don't think so. You can cut it

cpassuel Probably the micro controler, you can replace it but you will have to upload the program into (not sure it's open source) with an arduino. The tester is cheap os it's easier to buy a new one

cpassuel There are lots of video on youtube, just search for 3018 cnc limit switch. I'm planning to add limit switches myself

cpassuel I have a very similar dongle (if not identical) bought on ebay and it's working on ubuntu. Weird thing it's only working on UBS 3.0 not on USB2 connector. It's not an OS issue because I have the same ... I have a very similar dongle (if not identical) bought on ebay and it's working on ubuntu. Weird thing it's only working on UBS 3.0 not on USB2 connector. It's not an OS issue because I have the same problem on Windows. (motherboard issue or dongle issue?) Ver Más

cpassuel Yes you can, it's better to have the proper tool like a miter saw with the right blade if you want clean and precise cut

cpassuel Not really, but you can lube then or replace the ball bearings. Check Alex Kenis's video Cheap linear rail part 2: superlube and proper bearings on youtube

cpassuel Yesbut it may be confusing to have same color for both plus and minus.