#lCPL Smart Wi-Fi Pet Feeder - 3D-printed, NodeMCU-controlled automatic feeder with clog-free shaker

Overview
This is a fully 3D-printable, gravity-fed feeder for cats or dogs, driven by:

• NodeMCU ESP8266 module for Wi-Fi control
  
• High-torque servo motor to open/close the funnel gate
  
• DC-geared motor to shake and unclog kibble
  
• 5 hour battery backupfor up to 20 feed cycles
  
• Modular “hopper” and bowl parts for easy cleaning

What's Included

1. STL files for all plastic parts:
   
   • Body
   • Hopper
   • Hopper shell
   • Disk
   • Motor bar and carrier
   • Motor holder
   • Shaker motor holder
   • Shaker bar down
   • Shaker bar up
   • Shaker blade
   • Body Header
   • Kibble carrier
   • Bowl
2. Electronics mount
   
3. Code (Arduino sketch) + wiring diagram (in ZIP)
   
4. BOM: Stainless bowl, NodeMCU, SG90 servo, plastic geared DC motor, Li-Ion battery and housing, tp4656, 3.7 v to 5v converter, jumpers, key, 1 channel 5v relay.

Key Features

• Wi-Fi scheduling & manual dispense via blynk
• Anti-jamming shake mechanism
  
• Quick-release parts for cleaning
  
• Print in PLA or PETG; no supports on most parts
  

Safety & Notes

• Food-safe PLA or PETG only.
  
• Do not leave powered unattended for over 24 h (battery cut-off risk).
  
• Keep out of reach of children.