Automatic Clothesline Retrieval System Using Arduino Uno

Using the rain sensor, light sensor, and DC Motors to implement a system that will retrieve clothes automatically.

Dec 21, 2021

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environmental sensing

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Devices & Components

Arduino Uno Rev3

9V Battery Clip

Jumper wires (generic)

LDR, 5 Mohm

DC Motor, 12 V

Custom PCB

LED (generic)

9V battery (generic)

Rain Sensor

Resistor 10k ohm

Hardware & Tools

Soldering iron (generic)

Solder Wire, Lead Free

Software & Tools

Arduino IDE

Project description

Code

Arduino Code.txt

arduino

Complete codes for proper implementation of the Automatic Clothesline Retrieval System

1const int pinLED = 13;
2const int pinLDR = A1;
3const int pinDO =  2;
4const int pinAO = A0;
5int val_analog;
6int val_digital;
7int enA =  9;
8int in1 = 8;
9int in2 = 7;
10int enB = 3;
11int in3 = 5;
12int in4 =  4;
13
14void setup() {
15Serial.begin(9600);
16pinMode(pinLED, OUTPUT);
17pinMode(pinLDR,  INPUT);
18pinMode(pinDO, INPUT);
19pinMode(pinAO, INPUT);
20pinMode(enA, OUTPUT);
21pinMode(enB,  OUTPUT);
22pinMode(in1, OUTPUT);
23pinMode(in2, OUTPUT);
24pinMode(in3, OUTPUT);
25pinMode(in4,  OUTPUT);
26digitalWrite(in1, LOW);
27digitalWrite(in2, LOW);
28digitalWrite(in3,  LOW);
29digitalWrite(in4, LOW);
30}
31
32void inside() {
33digitalWrite (pinLED,  HIGH);
34analogWrite(enA,125);
35digitalWrite(in1,LOW);
36digitalWrite(in2,HIGH);
37analogWrite(enB,125);
38digitalWrite(in3,LOW);
39digitalWrite(in4,HIGH);
40Serial.println("go  in"); 
41}
42
43void outside() {
44digitalWrite (pinLED, LOW);
45analogWrite(enA,125);
46digitalWrite(in1,HIGH);
47digitalWrite(in2,LOW);
48analogWrite(enB,125);
49digitalWrite(in3,HIGH);
50digitalWrite(in4,LOW);
51Serial.println("go  out");
52}
53
54void off() {
55analogWrite(enA,0);
56digitalWrite(in1,LOW);
57digitalWrite(in2,LOW);
58analogWrite(enB,0);
59digitalWrite(in3,LOW);
60digitalWrite(in4,LOW);
61Serial.println("off");
62delay(5000);
63}
64
65void  loop() {
66
67int ldrStatus = analogRead(pinLDR);
68Serial.print("ldr : ");
69Serial.println(ldrStatus);
70val_digital=digitalRead(pinDO);
71val_analog=analogRead(pinAO);
72Serial.println(val_analog);
73delay(1000);
74
75if  (digitalRead(pinLED)==HIGH) {
76if (ldrStatus > 20){
77if (val_digital == HIGH)  {
78outside(); delay(400);
79off(); delay(2000);
80}
81}
82}
83else if (ldrStatus  <= 20) {
84inside(); delay(400);
85off(); delay(2000);
86}
87else if (ldrStatus  > 20) {
88if (val_digital == LOW) {
89inside(); delay(400);
90off(); delay(2000);
91}
92}
93}

const int pinLED = 13;
const int pinLDR = A1;
const int pinDO =  2;
const int pinAO = A0;
int val_analog;
int val_digital;
int enA =  9;
int in1 = 8;
int in2 = 7;
int enB = 3;
int in3 = 5;
int in4 =  4;

void setup() {
Serial.begin(9600);
pinMode(pinLED, OUTPUT);
pinMode(pinLDR,  INPUT);
pinMode(pinDO, INPUT);
pinMode(pinAO, INPUT);
pinMode(enA, OUTPUT);
pinMode(enB,  OUTPUT);
pinMode(in1, OUTPUT);
pinMode(in2, OUTPUT);
pinMode(in3, OUTPUT);
pinMode(in4,  OUTPUT);
digitalWrite(in1, LOW);
digitalWrite(in2, LOW);
digitalWrite(in3,  LOW);
digitalWrite(in4, LOW);
}

void inside() {
digitalWrite (pinLED,  HIGH);
analogWrite(enA,125);
digitalWrite(in1,LOW);
digitalWrite(in2,HIGH);
analogWrite(enB,125);
digitalWrite(in3,LOW);
digitalWrite(in4,HIGH);
Serial.println("go  in"); 
}

void outside() {
digitalWrite (pinLED, LOW);
analogWrite(enA,125);
digitalWrite(in1,HIGH);
digitalWrite(in2,LOW);
analogWrite(enB,125);
digitalWrite(in3,HIGH);
digitalWrite(in4,LOW);
Serial.println("go  out");
}

void off() {
analogWrite(enA,0);
digitalWrite(in1,LOW);
digitalWrite(in2,LOW);
analogWrite(enB,0);
digitalWrite(in3,LOW);
digitalWrite(in4,LOW);
Serial.println("off");
delay(5000);
}

void  loop() {

int ldrStatus = analogRead(pinLDR);
Serial.print("ldr : ");
Serial.println(ldrStatus);
val_digital=digitalRead(pinDO);
val_analog=analogRead(pinAO);
Serial.println(val_analog);
delay(1000);

if  (digitalRead(pinLED)==HIGH) {
if (ldrStatus > 20){
if (val_digital == HIGH)  {
outside(); delay(400);
off(); delay(2000);
}
}
}
else if (ldrStatus  <= 20) {
inside(); delay(400);
off(); delay(2000);
}
else if (ldrStatus  > 20) {
if (val_digital == LOW) {
inside(); delay(400);
off(); delay(2000);
}
}
}

Downloadable files

Fritzing Breadboard

Proper and complete wiring and components

Fritzing Breadboard

Proper and complete wiring and components

Fritzing Breadboard

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