A CNC Automatic Tool Changer (ATC) use Grbl_ESP32
Here all the links I have for this project. Grbl_ESP32 https://github.com/bdring/Grbl_Esp32 6 Pack Controller https://github.com/bdring/6-Pack_CNC_Controller Kress 800 FME Spindle http://www.kress-tools.lv/index.php/en/products-en/power-tools-en/kress-spindles/800-fme-detail Inventables X-Carve https://www.inventables.com/technologies/x-carve ATC https://www.cnccat.com/index.php?id=2&productid=837&catid=89&subcatid=&lang=en Toolsetter https://www.aliexpress.com/item/33015203771.html Valve https://trimantec.com/products/airtac-3v1-pneumatic-solenoid-air-valve-3v106bt source