CNC Shield Arduino UNO A4988 CNC, 3D controller

CNC Shield Arduino v3.0 - CNC controller

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Arduino UNO shield overlay that allows you to build a control module for a CNC machine. Shield allows you to control four stepper motors with four sockets (eg A4988).

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Shield has, among others led out inputs and travel of steps for four controllers, input for END STOP limit sensors and I2C and UART bus outlets.

Technical data:

  • Motor supply voltage (depending on the controller): from 12 V to 36 V
  • Supply voltage connected via ARK screw connection
  • Operating voltage of logic signals: 5 V
  • Motor driver connectors compatible with A4988 and similar
  • Derived signals: STEP and DIR for four controllers: X.STEP / Y.DIR, X.STEP / Y.DIR, Z.STEP / Z.DIR, A.STEP / A.DIR
  • Derived UART and I2C interface connectors
  • Inputs for limit switches of the END STOP type: Z + / Z-, Y + / Y-, X + / X-,
  • Built-in capacitors 100 uF and 50 uF 8 mm
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