Our 4-axis CNC motherboard comes fully assembled and with the GRBL firmware pre-installed. It has a dual core Xtensa 32-bit LX6 microprocessor, which operates at 240 MHz and can drive to up to 4 Stepper or Servo motors with a stable and clean 5VDC signal.
It features opto isolated terminal switches and Probe inputs, operating at 12 VDC, to keep away any external electromagnetic interference while all other outputs such as Spindle PWM, Spindle Enable, Mist and Flood coolant operate at 5VDC.
The 12VDC power input has reverse polarity protection and ceramic capacitors, made by Samsung, to filter the input current.
Our 4-Axis motherboard is fully compatible with the GCode Sender 4-Axis software.
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Our 4-Axis motherboard hosts an ESP32-DevKitC-32D made by Espressif Systems preloaded with the latest 32-bit version of the GRBL firmware. The ESP32-DevKitC-32D has a dual core processor at 240Mhz and 520Kb ram
The 12v power input has reverse polarity protection in order to protect your board and you electronics from wrong wiring
Limit switch and probe inputs are opto isolated and operates at 12V in order to eliminate any external electromagnetic interference
Our 4-Axis CNC Motherboard is 100% compatible with the the SourceRabbit GCode Sender