Grbl1.1 Two Axis Lser Engraving Machine Control Board

Upgraded Control Board: - GRBL1.1f firmware, stable performance - Laser supports PWM/TTL signal control, and power is adjustable from 0-100% - Spindle supports PWM power 0-100% adjustable - Stepper motor overcurrent protection to avoid damage, upgrade integrated stepper motor drive, 2A high current, high stability - Laser directly enters picture engraving, no programming, no design, simple and convenient - Imported chip with amazing heat dissipation effect Package Included: - 1 x Set of GRBL Control Board Note: - Other items pictured are not included, for demonstration purposes only.