Dejan Dejan Nedelkovski
NORTH MACEDONIA • + Follow
Description
Arduino UNO Shield for GRBL CNC Controller
A custom PCB that goes on top of the Arduino board as a shield, and features four PC817 optocouplers for electrically isolation the CNC machine limit switches from the Arduino board or the Atmega328P microcontroller. Also it features 5mm terminal blocks for easier connecting the CNC machine components to the CNC motion controller.
May 11,2026
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Arduino UNO Shield for GRBL CNC Controller
An Arduino UNO Shield for a GRBL CNC Controller featuring PC817 optocouplers and 5mm terminal blocks
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Published: May 11,2026
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Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen（Without Speaker）
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