BLtouch --- We has an official BLtouch authorization.BLTouch is an auto leveling sensor for 3D Printers based on open-source.High precision. The deviation of accurqcy is ±0.005mm.
BLtouch ---It is convenient and easy to use. The main functions are self-test, alarm, alarm release, test mode and so on.It is compatible with almost heat bed materials, such as glasses, woods, metals.
MINI E3--- ARM Cortex-M3 Series STM32F103RCT6 Master Controller with 32-bit Main Frequency of 72MHz Chip;
MINI E3--- Supporting display :2.8 inch, 3.5 inch color touch screen and Ender3 printer LCD12864 screen;Support BLtouch, RGB color lamp, block detection, shutdown and other functions;
MINI E3--- Integrate UART mode of TMC2209 to simplify debugging of motherboard and driver.Reserve expansion ports for TMC2209 pins to facilitate users to use DIAG instead of Endstop.