https://www.instructables.com/Simplified-3D-Printed-Animatronic-Dual-Eye-Mechani/
The servos in the article were sold out. Here’s another one that should work:
the link to the person sensor was blank. heres one in stock:
https://www.instructables.com/Simplified-3D-Printed-Animatronic-Dual-Eye-Mechani/
The servos in the article were sold out. Here’s another one that should work:
the link to the person sensor was blank. heres one in stock: