Drawing Robot

A robot arm moved using servo motors.

Jul 17, 2019

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robots

servos

Components and supplies

Arduino Mega 2560 Rev3

Jumper wires (generic)

Pushbutton switch 12mm

SG90 Micro-servo motor

Rotary potentiometer (generic)

Breadboard (generic)

Apps and platforms

Arduino IDE

Project description

Code

Moving code

c_cpp

When you have servo values run this code and place values there

1#include <Servo.h>
2Servo first;//first arm segment
3Servo second;//second   arm segment
4
5void setup() {
6  //servos
7  first.attach(3);
8  second.attach(4);
9}
10
11void   loop() {
12    moveHand(90,90);//insert values - (first,second)
13    delay(1000);
14     moveHand(120,90);
15    delay(1000);
16    moveHand(80,80);
17    delay(1000);
18}
19void   moveHand(int f,int s) {
20  first.write(f);
21  second.write(s);
22}
23

#include <Servo.h>
Servo first;//first arm segment
Servo second;//second   arm segment

void setup() {
  //servos
  first.attach(3);
  second.attach(4);
}

void   loop() {
    moveHand(90,90);//insert values - (first,second)
    delay(1000);
     moveHand(120,90);
    delay(1000);
    moveHand(80,80);
    delay(1000);
}
void   moveHand(int f,int s) {
  first.write(f);
  second.write(s);
}

Calibrating code

c_cpp

Code for getting servo pos values

1#include <Servo.h>
2Servo first;//first arm segment
3Servo second;//second   arm segment
4
5//pots for controling the arm
6int firstpot = A8;
7int secondpot   = A9;
8
9//button to fix position
10int btt = 2;
11
12void setup() {
13   pinMode(btt, INPUT); //button pinMode
14  Serial.begin(9600);//start serial
15   //servos
16  first.attach(3);
17  second.attach(4);
18}
19
20void loop()   {
21  first.write(map(analogRead(firstpot), 0, 1023, 50, 120)); //first servo turned   by pot using map() servo protection by borders of servo turning options
22  second.write(map(analogRead(secondpot),   0, 1023, 0, 100)); //second servo turned by pot using map() servo protection by   borders of servo turning options
23  delay(10);//delay for stability
24  
25   if (digitalRead(btt) == 1) {//if botton pressed
26    Serial.print("first -->");
27     Serial.println(map(analogRead(firstpot), 0, 1023, 50, 150));
28    Serial.print("second   -->");
29    Serial.println(map(analogRead(secondpot), 0, 1023, 0, 100));
30     delay(1000);
31  }
32  
33}

#include <Servo.h>
Servo first;//first arm segment
Servo second;//second   arm segment

//pots for controling the arm
int firstpot = A8;
int secondpot   = A9;

//button to fix position
int btt = 2;

void setup() {
   pinMode(btt, INPUT); //button pinMode
  Serial.begin(9600);//start serial
   //servos
  first.attach(3);
  second.attach(4);
}

void loop()   {
  first.write(map(analogRead(firstpot), 0, 1023, 50, 120)); //first servo turned   by pot using map() servo protection by borders of servo turning options
  second.write(map(analogRead(secondpot),   0, 1023, 0, 100)); //second servo turned by pot using map() servo protection by   borders of servo turning options
  delay(10);//delay for stability
  
   if (digitalRead(btt) == 1) {//if botton pressed
    Serial.print("first -->");
     Serial.println(map(analogRead(firstpot), 0, 1023, 50, 150));
    Serial.print("second   -->");
    Serial.println(map(analogRead(secondpot), 0, 1023, 0, 100));
     delay(1000);
  }
  
}

Moving code

c_cpp

When you have servo values run this code and place values there

1#include <Servo.h>
2Servo first;//first arm segment
3Servo second;//second  arm segment
4
5void setup() {
6  //servos
7  first.attach(3);
8  second.attach(4);
9}
10
11void  loop() {
12    moveHand(90,90);//insert values - (first,second)
13    delay(1000);
14    moveHand(120,90);
15    delay(1000);
16    moveHand(80,80);
17    delay(1000);
18}
19void  moveHand(int f,int s) {
20  first.write(f);
21  second.write(s);
22}
23

#include <Servo.h>
Servo first;//first arm segment
Servo second;//second  arm segment

void setup() {
  //servos
  first.attach(3);
  second.attach(4);
}

void  loop() {
    moveHand(90,90);//insert values - (first,second)
    delay(1000);
    moveHand(120,90);
    delay(1000);
    moveHand(80,80);
    delay(1000);
}
void  moveHand(int f,int s) {
  first.write(f);
  second.write(s);
}

Calibrating code

c_cpp

Code for getting servo pos values

1#include <Servo.h>
2Servo first;//first arm segment
3Servo second;//second  arm segment
4
5//pots for controling the arm
6int firstpot = A8;
7int secondpot  = A9;
8
9//button to fix position
10int btt = 2;
11
12void setup() {
13  pinMode(btt, INPUT); //button pinMode
14  Serial.begin(9600);//start serial
15  //servos
16  first.attach(3);
17  second.attach(4);
18}
19
20void loop()  {
21  first.write(map(analogRead(firstpot), 0, 1023, 50, 120)); //first servo turned  by pot using map() servo protection by borders of servo turning options
22  second.write(map(analogRead(secondpot),  0, 1023, 0, 100)); //second servo turned by pot using map() servo protection by  borders of servo turning options
23  delay(10);//delay for stability
24  
25  if (digitalRead(btt) == 1) {//if botton pressed
26    Serial.print("first -->");
27    Serial.println(map(analogRead(firstpot), 0, 1023, 50, 150));
28    Serial.print("second  -->");
29    Serial.println(map(analogRead(secondpot), 0, 1023, 0, 100));
30    delay(1000);
31  }
32  
33}

#include <Servo.h>
Servo first;//first arm segment
Servo second;//second  arm segment

//pots for controling the arm
int firstpot = A8;
int secondpot  = A9;

//button to fix position
int btt = 2;

void setup() {
  pinMode(btt, INPUT); //button pinMode
  Serial.begin(9600);//start serial
  //servos
  first.attach(3);
  second.attach(4);
}

void loop()  {
  first.write(map(analogRead(firstpot), 0, 1023, 50, 120)); //first servo turned  by pot using map() servo protection by borders of servo turning options
  second.write(map(analogRead(secondpot),  0, 1023, 0, 100)); //second servo turned by pot using map() servo protection by  borders of servo turning options
  delay(10);//delay for stability
  
  if (digitalRead(btt) == 1) {//if botton pressed
    Serial.print("first -->");
    Serial.println(map(analogRead(firstpot), 0, 1023, 50, 150));
    Serial.print("second  -->");
    Serial.println(map(analogRead(secondpot), 0, 1023, 0, 100));
    delay(1000);
  }
  
}

Downloadable files

schematics image

Fritzing schematics

schematics image

Fritzing schematics

schematics

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