Explore a comprehensive guide to upgrading your Ender 3 with the Bigtreetech SKR Mini E3 V2.0 mainboard. Learn about the improvements in this latest iteration, including enhanced reliability and automatic electronics fan control. Discover step-by-step instructions for installation, firmware compilation, and setting up features like BLtouch, EEPROM, filament runout detection, Neopixels, TFT35 touch screen, BTT WiFi, and sensorless homing. Gain insights into the board's advantages over the Creality silent board, including its affordability, newer TMC2209 drivers, 32-bit architecture, and expanded I/O options. Follow along with wiring checklists, explore compatible accessories, and find links to purchase the mainboard and related components.