GRBL 1.1 USB Port CNC Engraving Machine Control Board New Upgrade 3 Axis Control Board Integrated Driver Controller Board Switch to switch XYY/XYZ axis work, toggle the power switch, safe and efficient . Built-in drive to prevent chip short circuit, built-in heat sink. With fan, have better heat dissipation. Support: offline controller, external high-power drive, emergency stop, reset, continue, pause, limit interface, which can meet different needs. The data transmission chip and the main control chip use an external crystal oscillator, the transmission operation is more stable. Acrylic shell, beautiful appearance, protect the motherboard. Can be used for engraving machine, drawer machine, CNC engraving machine, etc. Control system: GRBL Support software: Candle (3 axis); laserGRBL (laser) System support: Windows XP; 7/8/10 Port: Laser USB port: 12V 0-5A, optional 3P/4P interface, 12V TTL/PWM. Spindle: 0-48V 0-500W Power input: DC7-36V Friendly reminder: 1. Spindle motor and cannot be connected at the same time 2. Offline control board and SUB data cable cannot not be connected at the same time 3. Turn on the power after the electrical connection is completed 4. The positive and negative of the input power should not be reversed and the reverse connection will burn 5. The 48VDC interface does not cannot be connected to the switching power supply, and the voltage that can be transmitted through the DC seat of the control board cannot be greater than 5A. Material: metal + plastic color: blue Package Contents: 1 x Program Controller Board Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3 cm.