Tutorial: https://www.instructables.com/id/Cat-Food-Access-Control-ESP8266-Servo-Motor-3D-Pri Design derived from Ardy Lai's bowl holder on Thingiverse: https://www.thingiverse.com/thing:2699099 File on Tinkercad: https://www.tinkercad.com/things/49HoW04XYVq-cat-food-access-control-bowl Supplies: 3D printer (I use a Creality CR-10s Pro): https://amzn.to/34gNPoB 3D printer filament (I'm using gold PLA): https://amzn.to/2M0jHqr NodeMCU ESP8266 wifi microcontroller: https://amzn.to/35l4bNn USB cable (A to microB): https://amzn.to/36wcxSy USB power adapter: https://amzn.to/34lYs8z Micro servo motor: https://amzn.to/35ouDpf Small screwdriver and screws: https://amzn.to/2YQGWIB Hookup wire: https://amzn.to/2rHpE4F Header pins: https://amzn.to/2YW3Z4P Perma-proto board: https://amzn.to/2sL3Ipg Becky Stern is a maker living in NYC. Making and sharing are her two biggest passions! Empowering women and girls to pursue their dreams is an undeniably rewarding side effect. Subscribe for technology, crafts, and other DIYs, as well as New York City life. http://www.youtube.com/user/bekathwia previous video: https://youtu.be/UMoojbeSoPw this time last year: https://youtu.be/LvBcBgcWukM 00:00 Intro 01:12 Tinkercad design and Adjustments 02:05 Assembly 03:17 Electronics 05:04 Program 06:22 Final Product 06:50 Outro Connect with Becky: http://www.instructables.com/member/bekathwia https://twitter.com/bekathwia http://instagram.com/bekathwia http://bekathwia.tumblr.com/ http://www.pinterest.com/bekathwia/ https://www.snapchat.com/add/bekathwia tip jar: https://www.patreon.com/beckystern 🎶 Music is from epidemicsound.com 📷 Camera gear: Panasonic GH5s: https://amzn.to/30ZohKn Panasonic GH4: http://amzn.to/2koi4GU main lens: https://amzn.to/2MpHIbs wide lens: http://amzn.to/2Ee6hBQ macro lens: http://amzn.to/2jaoXq9 magic arm: http://amzn.to/2rlEdZS As an Amazon Associate I earn from qualifying purchases you make using my affiliate links.