The serves as an essential reference map for servicing, rewiring, and upgrading iconic 8-bit Creality 3D printers like the CR-10S , CR-20 , and Ender 5 Plus . Built around the robust Atmel ATmega2560 microprocessor, this mainboard relies heavily on an accurate pinout layout for successful component replacements, Marlin firmware tweaks, and auto-bed leveling integrations. Understanding this architecture prevents catastrophic wiring failures, such as shorted logic gates or reverse-polarity driver damage. Core Hardware Specifications
[stepper_x] step_pin: PF0 dir_pin: PF1 enable_pin: !PD7 microsteps: 16 rotation_distance: 40 endstop_pin: ^PE5 position_endstop: 350 position_max: 350 homing_speed: 50
JST connector (usually wired to be always on).
Typically equipped with TMC2208 "Silent" drivers in later iterations (V2.2.1) or A4988 drivers in standard versions. Creality V2 2 Board Diagram
Standard ports for the X-axis, Y-axis, Z-axis, and Extruder motors. Sensor Inputs (2/3-Pin JST): Ports for X-Min, Y-Min, and Z-Min physical switches. Thermistors: Ports for monitoring the temperature of the nozzle and bed. BLTouch/CR Touch:
Controls the horizontal print head movement. Located at the top left.
Creality V2.2 board (often referred to as the V2.2 or V2.2.1) is a 24V silent mainboard commonly used in older high-end models like the CR-10S Pro Go to product viewer dialog for this item. Go to product viewer dialog for this item. CR-10S Pro V2 Go to product viewer dialog for this item. The serves as an essential reference map for
Main power entry. Ensure positive ( + ) and negative ( - ) polarity matches your power supply unit output perfectly.
This is a detailed technical paper on the (often referred to as the 4.2.2 or V2.2 board), focusing on its schematic layout, component identification, and functional block analysis. This document is intended for educational purposes, firmware development, and hardware troubleshooting.
Four-pin JST-XH layout headers. The inclusion of two discrete physical Z-plugs allows syncing of dual lead-screw configurations without using external splitter cables. Sensor Inputs (2/3-Pin JST): Ports for X-Min, Y-Min,
24V input from the power supply. Ensure correct polarity (Red = +, Black = -). Supplies power to the heated build plate. Hotend (E0): Power for the primary heating cartridge. Stepper Motors (4-Pin JST): X, Y, Z, E:
2-pin NTC 100k thermistor signal inputs for tracking temperatures. Wiring an Auto-Bed Leveling Sensor (BLTouch / CR Touch)