Features:
1. 32-bit automatic air assist motherboard: it has an air assist interface and is compatible with LightBurn, and the automatic air pump is controlled on and off by the M8 air assist switch of the LightBurn software. It can effectively solve the problem of air-assisted yellowing wood boards. Cutting/air assisted opening, engraving/air assisted closing can be realized.
Any problem, please contact our store without hesitation. Honor to serve you.

Specification:
Compatible models: GRBL Controller Board
Motherboard information: 12V-24V compatible, with air-assisted control cable interface
Connection: USB (USB-CH340) 
Stepper motor driver: A4988
Software support: LaserGRBL/LightBurn  

Packing List:
1 × 32 bit auto air assist main board +  installation box
1 × USB Cable
PS: Please leave us your email address, we will send you the software. 
PushAuction