Hello friends
this my new CNC plotter machine based on GRBL firmware which supports Z axis servo
In this video i will show you complete guide how to make mini GRBL based CNC plotter powered by two 28BYJ-48 Stepper motor & one tower pro mini servo

Also how…

https://www.anninrobotics.com/
Latest AR3 Video: https://youtu.be/cfJn7T4D-6k

All gear drive motors and drivers available at https://www.omc-stepperonline.com/?tracking=59c1139e8987b

Use the GPIO pins of a Raspberry Pi while running Debian Stretch on a PC or Mac, or add more GPIO pins to your Pi, all with our new GPIO expander.

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Open Hardware Electronics Prototyping Platform & Open Source Integrated Development Environment - Pinguino

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A real-time orientation tracker, head-tracker, AHRS (Attitude and Heading Reference System) or what ever you want to call it. It uses the Arduino-compatible "9DOF…

http://www.iearobotics.com/wiki/index.php?title=Dise%C3%B1o_de_piezas_con_Freecad

Serie de tutoriales sobre la herramienta libre de diseño 3D Freecad.