Automatic Cat Feeder

This is the code for my automatic cat feeder, made using ESPHome and with inspiration from various other projects online.

Hardware

• Wood
• 2 x Pipe Holder bracket (for holding the dispenser)
• Drain Valve (I used one made for bathtubs, and sawed out the metal grate)
• Curved pipe (regular drainage pipe piece, found in builder merchants)
• 12V 2A DC Power Supply
• DC Plug + Screw Terminal
• Breadboard
• 100 uF - 16V Capacitor
• WeMos D1 Mini Pro NodeMcu
• NEMA17 Stepper Motor 42BYGHW811
• L298N Stepper Motor controller
• Shaft Coupler / Flexible Coupling
• Dry-Food Dispenser
• VL53L0X Time-of-Flight Module