Warm Tips of V1 Mainboard:
The Creality has developed the newest version of the 32-bit mainboard with 3d Printer. If you find your mainboard is V1.1.4/V1.1.5, just follow the instruction; if it is the V4.2.2/V4.2.7 version, Please follow the BL touch for the 32-bit mainboard version. Firmware can be downloaded from the Creality Website, Or you can contact us and send you the guidance. Attention, you should check your mainboard version before installing BL touch, and download the corresponding firmware.
NOTE of V2 Mainboard：
1.The circuit wiring of CR-10 S4, CR-10 S5, CR 20 are different from the manual, while Ender 3, Ender 3 Pro, Ender 5, CR-10 are the same as the manual.
3. Use a USB cable to connect CR-10 S4, CR-10 S5, CR 20 with a computer to flash the firmware, the ISP connector and ISP pinboard are not needed.
4. No need to plug the pinboard A into the mainboard of CR-10S4, CR-10 S5, CR 20, just insert the connectors into the mainboard D11 pins and unplug the Z limit switch then insert the connectors into the Z port.
V1 Mainboard(V1.1.4/1.1.5): Ender3, Ender 3 Pro, Ender5, Ender 5 Pro, CR-10
V2 Mainboard: CR-10S, CR-10S4, CR-10S5, CR-20.