Laser Convert 3d Printer

Marlin One Cotrolling by assinging new pin.
Marlin II voltage divider
MKS Board

RepRap Arduino Mega Polulu Shield, or RAMPS, https://marlinfw.org/docs/hardware/boards.html
is a board that serves as the interface between the Arduino Mega —
the controller computer — and the electronic devices on a RepRap 3D printer. .

Convert Ender 3

Jtech plugin