How to make an automatic dog feeder with Arduino and Linux | Enable Sysadmin
Automated Pet Feeder Power Supply Suggestions - Project Guidance - Arduino Forum
Automatic Pet Feeder using Arduino | Arduino, Pet feeder, Arduino projects
GitHub - jorgerance/catFeeder: Arduino based (NodeMCU - ESP8266) Telegram controlled cat feeder I use in order to keep my cats happy and healthy when I'm away.