What is this video series about? I'm building a robot gripper arm from scratch! Follow me on my journey as I make a breakthrough, hit a wall, and even check out what parts I'm using! br br The homemade robot arm waves "hi" for the first time! Check it out! br br SUPPORTING CHALLENGEYOURSELF.BLOG br If you'd like to support my work please head over to and become a patron today! br br FOLLOW CHALLENGEYOURSELF.