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How to Build a Simple 3D Printed Arduino Animatronic Eye Mechanism

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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@willcogley.com
Discord Server: https://discord.gg/df57eVP

Support me on Patreon for a look behind the scenes and a Nilheim Mechatronics sticker pack: https://www.patreon.com/NilheimMechatronics

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: https://amzn.to/2pG3crm
Various M2 and M3 screws although any screws roughly that size should work ok. A kit like this:https://amzn.to/2JOafVQ 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: https://amzn.to/2JTs1Hs
Servo Driver Board: I opted for a 16 channel PWM driver board from Adafruit: https://amzn.to/2JPOzsx
5V Power Supply, around 4A is more than enough. Here is mine (http://tiny.cc/is4cdz)
A female DC power jack to match your power supply, to be soldered to the servo driver board
Jumper Cables: https://amzn.to/2PNPHAQ
Joystick: https://amzn.to/2pKWX5A
Potentiometer (10k ohms is generally a good value to use: https://amzn.to/2NgDF0S)
Momentary switch(Some joysticks have this built in, but its easier to control when its seperate: https://amzn.to/36yzCov)
10k Resistor: https://amzn.to/2NBOjyo

Tools:​
A pin vice hand drill might be useful for adjusting hole sizes: https://amzn.to/36BZNKM

Downloads:
Check the blog post on the Nilheim Mechatronics website: http://www.nilheim.co.uk/latest-projects/simplified-3d-printed-animatronic-dual-eye-mechanism
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