Electronics

The system runs on Lolin D1 mini. A 12V DC motor powers the screw mechanism. Load cells, RTC, and the Oled display help you to track how much food is dispensed.

Here's a full list of pieces you'll need for the assembly:

1. Power source 12V 2A (Buy on Amazon)

2. DCDC converter

3. Oled Display

4. Motor Driver

5. DC motor 12V 18rpm

6. Lolin D1 mini type C

7. Real-time Clock

8. Load cells

The whole circuit is created with the help of a small protoboard and it is placed in the base. To know how to connect all the parts follow the schematics of the circuit below: