The motors I used for this robot are 2 servomotors modified for speed. You can also use other motors if it’s good enough. I didn’t have any so I modded 2 servomotors. How to Mod the Servomotors (look ...
If you have been searching for an Arduino robotic arm that provides 5-axis of motion then the new Maximo robotic arm created by InnoTechnix might be worth more investigation. The InnoTechnix Maximo ...