Chocolate Milk Machine (Circuit)

This project takes cocoa powder and makes chocolate milk when a cup is placed underneath it. And, a screen dictates the status.

Apr 20, 2021

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machine

arduino

chocolate milk

i don't really know what else

Devices & Components

Arduino Uno Rev3

Male/Male Jumper Wires

SG90 Micro-servo motor

Ultrasonic Sensor - HC-SR04 (Generic)

Male/Female Jumper Wires

Hardware & Tools

Soldering iron (generic)

Software & Tools

Arduino IDE

Project description

Code

code

arduino

its code

1#include <Servo.h>
2Servo servo_9;
3#include <LiquidCrystal.h>
4const   int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
5LiquidCrystal lcd(rs, en,   d4, d5, d6, d7);
6
7long readUltrasonicDistance(int triggerPin, int echoPin)
8{
9   pinMode(triggerPin, OUTPUT);  // Clear the trigger
10  digitalWrite(triggerPin,   LOW);
11  delayMicroseconds(2);
12  digitalWrite(triggerPin, HIGH);
13  delayMicroseconds(10);
14   digitalWrite(triggerPin, LOW);
15  pinMode(echoPin, INPUT);
16  return pulseIn(echoPin,   HIGH);
17}
18
19void setup()
20{
21  servo_9.attach(9, 500, 2500);
22  
23   lcd.begin(16,2);
24  
25  lcd.print("Insert Milk");
26
27}
28
29void loop()
30{
31   0.01723 * readUltrasonicDistance(7, 6);
32
33  if (0.01723 * readUltrasonicDistance(7,   6) < 8){
34    lcd.clear();
35    lcd.print("Processing...");
36    servo_9.write(180);
37     delay(1000);
38  }
39  else{
40    lcd.clear();
41    lcd.print("Insert   Milk");
42    servo_9.write(0);
43    delay(1000);
44  }
45}
46

#include <Servo.h>
Servo servo_9;
#include <LiquidCrystal.h>
const   int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en,   d4, d5, d6, d7);

long readUltrasonicDistance(int triggerPin, int echoPin)
{
   pinMode(triggerPin, OUTPUT);  // Clear the trigger
  digitalWrite(triggerPin,   LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);
   digitalWrite(triggerPin, LOW);
  pinMode(echoPin, INPUT);
  return pulseIn(echoPin,   HIGH);
}

void setup()
{
  servo_9.attach(9, 500, 2500);
  
   lcd.begin(16,2);
  
  lcd.print("Insert Milk");

}

void loop()
{
   0.01723 * readUltrasonicDistance(7, 6);

  if (0.01723 * readUltrasonicDistance(7,   6) < 8){
    lcd.clear();
    lcd.print("Processing...");
    servo_9.write(180);
     delay(1000);
  }
  else{
    lcd.clear();
    lcd.print("Insert   Milk");
    servo_9.write(0);
    delay(1000);
  }
}

code

arduino

its code

1#include <Servo.h>
2Servo servo_9;
3#include <LiquidCrystal.h>
4const  int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
5LiquidCrystal lcd(rs, en,  d4, d5, d6, d7);
6
7long readUltrasonicDistance(int triggerPin, int echoPin)
8{
9  pinMode(triggerPin, OUTPUT);  // Clear the trigger
10  digitalWrite(triggerPin,  LOW);
11  delayMicroseconds(2);
12  digitalWrite(triggerPin, HIGH);
13  delayMicroseconds(10);
14  digitalWrite(triggerPin, LOW);
15  pinMode(echoPin, INPUT);
16  return pulseIn(echoPin,  HIGH);
17}
18
19void setup()
20{
21  servo_9.attach(9, 500, 2500);
22  
23  lcd.begin(16,2);
24  
25  lcd.print("Insert Milk");
26
27}
28
29void loop()
30{
31  0.01723 * readUltrasonicDistance(7, 6);
32
33  if (0.01723 * readUltrasonicDistance(7,  6) < 8){
34    lcd.clear();
35    lcd.print("Processing...");
36    servo_9.write(180);
37    delay(1000);
38  }
39  else{
40    lcd.clear();
41    lcd.print("Insert  Milk");
42    servo_9.write(0);
43    delay(1000);
44  }
45}
46

#include <Servo.h>
Servo servo_9;
#include <LiquidCrystal.h>
const  int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en,  d4, d5, d6, d7);

long readUltrasonicDistance(int triggerPin, int echoPin)
{
  pinMode(triggerPin, OUTPUT);  // Clear the trigger
  digitalWrite(triggerPin,  LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin, LOW);
  pinMode(echoPin, INPUT);
  return pulseIn(echoPin,  HIGH);
}

void setup()
{
  servo_9.attach(9, 500, 2500);
  
  lcd.begin(16,2);
  
  lcd.print("Insert Milk");

}

void loop()
{
  0.01723 * readUltrasonicDistance(7, 6);

  if (0.01723 * readUltrasonicDistance(7,  6) < 8){
    lcd.clear();
    lcd.print("Processing...");
    servo_9.write(180);
    delay(1000);
  }
  else{
    lcd.clear();
    lcd.print("Insert  Milk");
    servo_9.write(0);
    delay(1000);
  }
}

Downloadable files

Schematics

Connect the wires as shown

Schematics

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