Head
Neck mechanism
The neck and the head have 7 DOF, 3 for the neck and 2 for each eye.
The whole system is runned by a raspberry pi.
Each eye has a USB camera built in.
![](https://blogs.upm.es/hidalgo/wp-content/uploads/sites/588/2018/11/neck-diagram-1024x527.png)
The Eye
Eye mount
![](https://blogs.upm.es/hidalgo/wp-content/uploads/sites/588/2018/11/eye-mount-diagram.png)
![eye mount v4 eye mount v4](https://blogs.upm.es/hidalgo/wp-content/uploads/sites/588/elementor/thumbs/eye-mount-v4-nyx790n2edpubuw3sf7bxwnov5c0fgnyw01qcu0fgk.png)
This is the 4th ersion of the eye mount. The red part is 3D printed and is where the camera is attached to. The 2 blue bearings are connected through rods to the micro servos. The central bearings serves as the center of rotation to the entire eye.