===== CNC T8 Mini ===== The CNC T8 Mini is a small and cheep engraver from China bought at [[https://www.gearbest.com/3d-printers--3d-printer-kits/pp_356128.html|Gearbest]].\\ ---- ==== Review & Manual ==== - [[https://www.homofaciens.de/technics-machines-cnc-T8_en.htm]]\\ - [[https://makerhacks.com/t8-cnc-kit-review/]]\\ - [[https://youtu.be/lNEeP9GO5nA]]\\ - [[https://youtu.be/Nq_5xcJNv3w]]\\ ---- ==== A4988 ==== A4988 Stepper Motor Driver Carrier.\\ [[https://a.pololu-files.com/picture/0J3359.1200.png?bafae85a9d4ff4a7837ec16a322748fe|Schematic]]\\ [[https://www.pololu.com/product/1182]]\\ ---- ==== CNC Shield ==== {{:cnc:arduino-cnc-shield-schematics_r70yvkka4u.png?600|}}\\ {{:cnc:arduino-cnc-shield-v3-layout_vwjrjkoih8.png?600|}}\\ Set all three jumper M0, M1, M2 for the highest **microstep resolution**, a sixteenth step.\\ Power ist with **24V**.\\ **dokumentation**\\ [[https://github.com/gnea/grbl/wiki/Connecting-Grbl]]\\ ==== Software ==== Download the Grbl file: [[https://github.com/gnea/grbl]\\ ---- ==== Links ==== Some great tutorial for the CNC Shield V3 with the A4988.\\ - [[https://www.digitaldroid.co.za/blogs/tutorials/77051265-quick-start-cnc-shield-v3-for-arduino]]\\ - [[https://www.digitaldroid.co.za/blogs/tutorials/122289665-quick-start-cnc-shield-v3-for-arduino-part-two]]\\ - [[http://osoyoo.com/2017/04/07/arduino-uno-cnc-shield-v3-0-a4988/]]\\ ----