How to Build a Simple 3D Printed Arduino Animatronic Eye Mechanism
Here’s how I build my simplified 3D printed arduino animatronic eye mechanism. This is a good option if you’d like to try out some DIY arduino robotics but don’t necessarily have access to certain specialist hobby components, high-quality 3D printing or workshop tools. If you need more help, check the thorough text instructions on instructables:
Contact: enquiries@
Discord Server:
Support me on Patreon for a look behind the scenes and a Nilheim Mechatronics sticker pack:
Parts and Materials needed for this project:
3D Printer Filament: PLA is fine although I’d recommend you use a good brand because some parts are quite small and fragile. ABS is good for making realistic eyes but not necessary.
6x SG90 Micro Servos:
Various M2 and M3 screws although any screws roughly that size should work ok. A kit like this: should cover you.
Arduino: This design was tested using a genuine Uno, but it’s likely that any board which has SDA/SCL pins, 3 analogue inputs and a digital input will work. Arduino Uno:
Servo Driver Board: I opted for a 16 channel PWM driver board from Adafruit:
5V Power Supply, around 4A is more than enough. Here is mine ()
A female DC power jack to match your power supply, to be soldered to the servo driver board
Jumper Cables:
Joystick:
Potentiometer (10k ohms is generally a good value to use: )
Momentary switch(Some joysticks have this built in, but its easier to control when its seperate: )
10k Resistor:
Tools:
A pin vice hand drill might be useful for adjusting hole sizes:
Downloads:
Check the blog post on the Nilheim Mechatronics website:
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