Maker 101
Published © GPL3+

Pet Feeder Controlled Via WiFi

This project shows how to make a pet feeder controlled via WiFi. You can wirelessly control the pet feeder at any time with an app.

IntermediateFull instructions provided1,415
Pet Feeder Controlled Via WiFi

Story

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Custom parts and enclosures

pet_feeder_whole_wISXhHccwO.stl

pet_feeder_spiral_screw_xL7oSLCBur.stl

pet_feeder_cover_DfkmIMRdyG.stl

Schematics

bom_pet_feeder_esp8266_2022-03-27_4k2mtuhOVY.csv

pet_feeder_app_aia_JAbdbnQZFX.zip

Code

ESP8266_WiFi_PET_FEEDER.ino

Arduino
#include <ESP8266WiFi.h>

#define IN1a 15
#define IN2a 13
#define IN3a 12
#define IN4a 14

int delayTime = 2;

WiFiClient client;
WiFiServer server(80);

const char* ssid = "YOUR_WiFi_NAME";
const char* password = "WiFi_PASSWORD";

String  data = "";

void setup() {
  pinMode(IN1a, OUTPUT);
  pinMode(IN2a, OUTPUT);
  pinMode(IN3a, OUTPUT);
  pinMode(IN4a, OUTPUT);

  Serial.begin(115200);
  connectWiFi();
  server.begin();
}

void loop() {
  client = server.available();
  if (!client) return;
  data = checkClient ();

  if (data == "feed") {
    for (int adim = 0; adim < 200; adim++) {
      Serial.println("FORWARD");
      forwardMotor();
    }
    
    delay(200);
    
    for (int adim = 0; adim < 200; adim++) {
      Serial.println("BACKWARD");
      backwardMotor();
    }
    stopMotor();
  }
}

void connectWiFi()
{
  Serial.println("Connecting to WIFI");
  WiFi.begin(ssid, password);
  while ((!(WiFi.status() == WL_CONNECTED)))
  {
    delay(300);
    Serial.print("..");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("Wemos Local IP is : ");
  Serial.print((WiFi.localIP()));
  Serial.print("");
  Serial.println("");
}

String checkClient (void)
{
  while (!client.available()) delay(1);
  String request = client.readStringUntil('\r');
  request.remove(0, 5);
  request.remove(request.length() - 9, 9);
  return request;
}

void forwardMotor(void) {
  digitalWrite(IN4a, HIGH);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, LOW);
  delay(delayTime);
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, HIGH);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, LOW);
  delay(delayTime);
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, HIGH);
  digitalWrite(IN1a, LOW);
  delay(delayTime);
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, HIGH);
  delay(delayTime);
}

void backwardMotor(void) {
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, HIGH);
  delay(delayTime);
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, HIGH);
  digitalWrite(IN1a, LOW);
  delay(delayTime);
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, HIGH);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, LOW);
  delay(delayTime);
  digitalWrite(IN4a, HIGH);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, LOW);
  delay(delayTime);
}

void stopMotor(void) {
  digitalWrite(IN4a, LOW);
  digitalWrite(IN3a, LOW);
  digitalWrite(IN2a, LOW);
  digitalWrite(IN1a, LOW);
}

Credits

Maker 101

Maker 101

50 projects • 178 followers
Maker 101; Beginner and intermediate level Maker projects!

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Related channels and tags
  • Animals
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