[ESP-Helios] is a 3D printed motherboard based on esp32 .

It uses marlin firmware, detailed information can be accessed https://marlinfw.org/  understand . 

1.   The ESP-Helios printer control board has five drivers,

two of which are used for dual-z control.

2.   ESP-Helios can choose different drivers according to their needs.

3.   Only one OLED screen interface (ICC interface) and one encoder interface are reserved on the motherboard,

and you can set the pin definition to use the serial screen.

4.   Comes with 3 high-power mos. 

The hot bed can be driven directly. 

(If the current required by the hot bed is too large,

it is recommended to connect a larger MOS).

5.   5. The size of ESP-Helios PCB is only 80 * 80, but 5 drive shafts are plugged on such a small motherboard.