Here is the latest AR4 robot: https://youtu.be/RckTj0h5LnE
You can download all the 3D print files, software, manuals and source code for free here: https://www.anninrobotics.com/downloads
You can email me with any questions about the project here: [email protected]
The factory direct motors package is available from Stepperonline here: https://www.omc-stepperonline.com/ar4-robot-complete-electric-package-stepper-motor-driver-and-power-supply.html/?tracking=59c1139e8987b