Creality BLTouch V3.1 Auto Bed Leveling Sensor Kit Accessories for Creality Ender 3/ Ender 3 Pro/Ender 5/Ender 5 Pro/CR -10 with 8 Bit V1.1.5 /V1.1.4 Mainboard 3D Printer
Firmware Download:Please move to the Official Website to download the firmware and flash it at first.(If your mainboard is V1, use isp to flash firmware of V1.1.4 or V1.1.5(8 bit) mainboard, use SD to flash the new Version V4.2.2 or V4.2.7(32 bit) mainboard; if your mainboard is V2, use USB to flash,The circuit wiring of CR-10S,CR-10S4, CR-10S5, CR 20 are different from the manual).