Automatic Shirt Folding Machine

Wanted to over-engineer a more efficient way to be lazy. Thus, I made a machine that folds my shirts (mostly) at the push of a button!

Jul 20, 2020

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motor control

diy

home automation

Devices & Components

Arduino Uno Rev3

Pushbutton Switch, Momentary

MD10C-R3 Motor Controller Board

Hardware & Tools

Hot glue gun (generic)

Soldering iron (generic)

Software & Tools

Arduino IDE

Project description

Code

Motor Control Code

arduino

Adjust the timing of the motors via the "int delaymills_ = ___;" lines.

1//define pin name
2#define dir 1  // Direction
3#define pwrA 2 //   Power for Motor A
4#define pwrB 4 // Power for Motor B
5#define pwrC 7 // Power   for Motor C
6
7//constants won't change
8const int buttonPin = 8;     // the   number of the pushbutton pin
9
10// variables will change
11int buttonState   = 0;         // variable for reading the pushbutton status
12int pwrAState = LOW;
13int   pwrBState = LOW;
14int pwrcState = LOW;
15int delaymillsA = 400;
16int delaymillsAr   = 400;       // Return delay
17int delaymillsB = 400;
18int delaymillsBr = 400;        // Return delay
19int delaymillsC = 500;
20int delaymillsCr = 500;       //   Return delay
21int delaymillsD = 100;
22
23void setup() {
24  // initialize   the pwr and dir pins as outputs:
25  pinMode(pwrA,OUTPUT);
26  pinMode(pwrB,OUTPUT);
27   pinMode(pwrC,OUTPUT);
28  pinMode(dir,OUTPUT);
29
30  // initialize the pushbutton   pin as an input:
31  pinMode(buttonPin, INPUT);
32}
33void loop() {
34 // read   the state of the pushbutton value:
35  buttonState = digitalRead(buttonPin);
36
37//   check if the pushbutton is pressed. If it is, the buttonState is HIGH:
38  if (buttonState   == HIGH) {
39digitalWrite(pwrA,HIGH);
40digitalWrite(dir,HIGH);                                          //   set DIR pin HIGH or LOW
41delay(delaymillsA);
42digitalWrite(dir,LOW);                                          //   set DIR pin HIGH or LOW
43delay(delaymillsAr);
44digitalWrite(pwrA,LOW);
45delay(delaymillsD);
46digitalWrite(pwrB,HIGH);
47digitalWrite(dir,HIGH);                                           // set DIR pin HIGH or LOW
48delay(delaymillsB);
49digitalWrite(dir,LOW);                                           // set DIR pin HIGH or LOW
50delay(delaymillsBr);
51digitalWrite(pwrB,LOW);
52delay(delaymillsD);
53digitalWrite(pwrC,HIGH);
54digitalWrite(dir,HIGH);                                           // set DIR pin HIGH or LOW
55delay(delaymillsC);
56digitalWrite(dir,LOW);                                           // set DIR pin HIGH or LOW
57delay(delaymillsCr);
58digitalWrite(pwrC,LOW);
59delay(delaymillsD);
60   } else {
61    // turn LED off:
62    digitalWrite(pwrA, LOW);
63    digitalWrite(pwrB,   LOW);
64    digitalWrite(pwrC, LOW);
65  }
66}

//define pin name
#define dir 1  // Direction
#define pwrA 2 //   Power for Motor A
#define pwrB 4 // Power for Motor B
#define pwrC 7 // Power   for Motor C

//constants won't change
const int buttonPin = 8;     // the   number of the pushbutton pin

// variables will change
int buttonState   = 0;         // variable for reading the pushbutton status
int pwrAState = LOW;
int   pwrBState = LOW;
int pwrcState = LOW;
int delaymillsA = 400;
int delaymillsAr   = 400;       // Return delay
int delaymillsB = 400;
int delaymillsBr = 400;        // Return delay
int delaymillsC = 500;
int delaymillsCr = 500;       //   Return delay
int delaymillsD = 100;

void setup() {
  // initialize   the pwr and dir pins as outputs:
  pinMode(pwrA,OUTPUT);
  pinMode(pwrB,OUTPUT);
   pinMode(pwrC,OUTPUT);
  pinMode(dir,OUTPUT);

  // initialize the pushbutton   pin as an input:
  pinMode(buttonPin, INPUT);
}
void loop() {
 // read   the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);

//   check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState   == HIGH) {
digitalWrite(pwrA,HIGH);
digitalWrite(dir,HIGH);                                          //   set DIR pin HIGH or LOW
delay(delaymillsA);
digitalWrite(dir,LOW);                                          //   set DIR pin HIGH or LOW
delay(delaymillsAr);
digitalWrite(pwrA,LOW);
delay(delaymillsD);
digitalWrite(pwrB,HIGH);
digitalWrite(dir,HIGH);                                           // set DIR pin HIGH or LOW
delay(delaymillsB);
digitalWrite(dir,LOW);                                           // set DIR pin HIGH or LOW
delay(delaymillsBr);
digitalWrite(pwrB,LOW);
delay(delaymillsD);
digitalWrite(pwrC,HIGH);
digitalWrite(dir,HIGH);                                           // set DIR pin HIGH or LOW
delay(delaymillsC);
digitalWrite(dir,LOW);                                           // set DIR pin HIGH or LOW
delay(delaymillsCr);
digitalWrite(pwrC,LOW);
delay(delaymillsD);
   } else {
    // turn LED off:
    digitalWrite(pwrA, LOW);
    digitalWrite(pwrB,   LOW);
    digitalWrite(pwrC, LOW);
  }
}

Motor Control Code

arduino

Adjust the timing of the motors via the "int delaymills_ = ___;" lines.

1//define pin name
2#define dir 1  // Direction
3#define pwrA 2 //  Power for Motor A
4#define pwrB 4 // Power for Motor B
5#define pwrC 7 // Power  for Motor C
6
7//constants won't change
8const int buttonPin = 8;     // the  number of the pushbutton pin
9
10// variables will change
11int buttonState  = 0;         // variable for reading the pushbutton status
12int pwrAState = LOW;
13int  pwrBState = LOW;
14int pwrcState = LOW;
15int delaymillsA = 400;
16int delaymillsAr  = 400;       // Return delay
17int delaymillsB = 400;
18int delaymillsBr = 400;       // Return delay
19int delaymillsC = 500;
20int delaymillsCr = 500;       //  Return delay
21int delaymillsD = 100;
22
23void setup() {
24  // initialize  the pwr and dir pins as outputs:
25  pinMode(pwrA,OUTPUT);
26  pinMode(pwrB,OUTPUT);
27  pinMode(pwrC,OUTPUT);
28  pinMode(dir,OUTPUT);
29
30  // initialize the pushbutton  pin as an input:
31  pinMode(buttonPin, INPUT);
32}
33void loop() {
34 // read  the state of the pushbutton value:
35  buttonState = digitalRead(buttonPin);
36
37//  check if the pushbutton is pressed. If it is, the buttonState is HIGH:
38  if (buttonState  == HIGH) {
39digitalWrite(pwrA,HIGH);
40digitalWrite(dir,HIGH);                                          //  set DIR pin HIGH or LOW
41delay(delaymillsA);
42digitalWrite(dir,LOW);                                          //  set DIR pin HIGH or LOW
43delay(delaymillsAr);
44digitalWrite(pwrA,LOW);
45delay(delaymillsD);
46digitalWrite(pwrB,HIGH);
47digitalWrite(dir,HIGH);                                          // set DIR pin HIGH or LOW
48delay(delaymillsB);
49digitalWrite(dir,LOW);                                          // set DIR pin HIGH or LOW
50delay(delaymillsBr);
51digitalWrite(pwrB,LOW);
52delay(delaymillsD);
53digitalWrite(pwrC,HIGH);
54digitalWrite(dir,HIGH);                                          // set DIR pin HIGH or LOW
55delay(delaymillsC);
56digitalWrite(dir,LOW);                                          // set DIR pin HIGH or LOW
57delay(delaymillsCr);
58digitalWrite(pwrC,LOW);
59delay(delaymillsD);
60  } else {
61    // turn LED off:
62    digitalWrite(pwrA, LOW);
63    digitalWrite(pwrB,  LOW);
64    digitalWrite(pwrC, LOW);
65  }
66}

//define pin name
#define dir 1  // Direction
#define pwrA 2 //  Power for Motor A
#define pwrB 4 // Power for Motor B
#define pwrC 7 // Power  for Motor C

//constants won't change
const int buttonPin = 8;     // the  number of the pushbutton pin

// variables will change
int buttonState  = 0;         // variable for reading the pushbutton status
int pwrAState = LOW;
int  pwrBState = LOW;
int pwrcState = LOW;
int delaymillsA = 400;
int delaymillsAr  = 400;       // Return delay
int delaymillsB = 400;
int delaymillsBr = 400;       // Return delay
int delaymillsC = 500;
int delaymillsCr = 500;       //  Return delay
int delaymillsD = 100;

void setup() {
  // initialize  the pwr and dir pins as outputs:
  pinMode(pwrA,OUTPUT);
  pinMode(pwrB,OUTPUT);
  pinMode(pwrC,OUTPUT);
  pinMode(dir,OUTPUT);

  // initialize the pushbutton  pin as an input:
  pinMode(buttonPin, INPUT);
}
void loop() {
 // read  the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);

//  check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState  == HIGH) {
digitalWrite(pwrA,HIGH);
digitalWrite(dir,HIGH);                                          //  set DIR pin HIGH or LOW
delay(delaymillsA);
digitalWrite(dir,LOW);                                          //  set DIR pin HIGH or LOW
delay(delaymillsAr);
digitalWrite(pwrA,LOW);
delay(delaymillsD);
digitalWrite(pwrB,HIGH);
digitalWrite(dir,HIGH);                                          // set DIR pin HIGH or LOW
delay(delaymillsB);
digitalWrite(dir,LOW);                                          // set DIR pin HIGH or LOW
delay(delaymillsBr);
digitalWrite(pwrB,LOW);
delay(delaymillsD);
digitalWrite(pwrC,HIGH);
digitalWrite(dir,HIGH);                                          // set DIR pin HIGH or LOW
delay(delaymillsC);
digitalWrite(dir,LOW);                                          // set DIR pin HIGH or LOW
delay(delaymillsCr);
digitalWrite(pwrC,LOW);
delay(delaymillsD);
  } else {
    // turn LED off:
    digitalWrite(pwrA, LOW);
    digitalWrite(pwrB,  LOW);
    digitalWrite(pwrC, LOW);
  }
}

Downloadable files

Circuit Diagram

Connect wires as shown. You can tie all of the 12V power supplies to the same power rail on the other side of the breadboard.

Circuit Diagram

Documentation

Motor Paddle

3D print STL for 37mm Drive Shaft and 0.1875" foam board.

Motor Paddle

Motor Clamp

3D print STL for DC Motor - use zip ties to clamp motor.

Motor Clamp

Motor Coupler

3D print STL for 37mm Drive Shaft and .25inch wooden dowel.

Motor Coupler

3D print STL for 37mm Drive Shaft and .25inch wooden dowel.

Motor Coupler

Motor Paddle

3D print STL for 37mm Drive Shaft and 0.1875" foam board.

Motor Paddle

Motor Clamp

3D print STL for DC Motor - use zip ties to clamp motor.

Motor Clamp

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typalowski

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