The Beginners Guide to Micro Servos

This will teach you basic things you need to know about servos.

Nov 12, 2019

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4 respects

beginner

motor

servo

Components and supplies

SG90 Micro-servo motor

Arduino UNO

Jumper wires (generic)

Apps and platforms

Arduino IDE

Servo.h

Project description

Code

Code for project 2

arduino

Upload this code in a different sketch in ide

1#include <Servo.h>
2
3Servo servo;
4
5void setup() {
6  servo.attach(9);
7   
8}
9void loop() {
10  for(int i=0;i<180; i++){
11    servo.write(i);
12     delay(15);
13  }
14  for(int i=180; i>0; i--){
15    servo.write(i);
16     delay(7);
17  }
18  
19}

#include <Servo.h>

Servo servo;

void setup() {
  servo.attach(9);
   
}
void loop() {
  for(int i=0;i<180; i++){
    servo.write(i);
     delay(15);
  }
  for(int i=180; i>0; i--){
    servo.write(i);
     delay(7);
  }
  
}

Code for project 1

arduino

Copy this code into ide

1#include <Servo.h>
2
3
4Servo servo
5
6void setup() {
7  servo.attach(9);
8  
9}
10void loop() {
11  servo.write(0);
12  delay(500);
13  delay(10000);
14  servo.write(90);
15  delay(500);
16  delay(10000);
17  servo.write(180);
18  delay(500);
19  delay(10000);
20  servo.write(90);
21  delay(500);
22  delay(10000);
23  servo.write(0);
24  delay(500);
25  delay(10000);
26}

#include <Servo.h>


Servo servo

void setup() {
  servo.attach(9);
  
}
void loop() {
  servo.write(0);
  delay(500);
  delay(10000);
  servo.write(90);
  delay(500);
  delay(10000);
  servo.write(180);
  delay(500);
  delay(10000);
  servo.write(90);
  delay(500);
  delay(10000);
  servo.write(0);
  delay(500);
  delay(10000);
}

Code for project 4

arduino

Upload this code into a new sketch in ide

1#include <Servo.h>
2
3int pos=random(0,180);
4
5Servo servo;
6
7void  setup(){
8  servo.attach(9);
9}
10void loop(){
11  servo.write(pos);
12  delay(250);
13  pos=random(0,180);
14  delay(5000);
15}

#include <Servo.h>

int pos=random(0,180);

Servo servo;

void  setup(){
  servo.attach(9);
}
void loop(){
  servo.write(pos);
  delay(250);
  pos=random(0,180);
  delay(5000);
}

Code for project 2

arduino

Upload this code in a different sketch in ide

1#include <Servo.h>
2
3Servo servo;
4
5void setup() {
6  servo.attach(9);
7  
8}
9void loop() {
10  for(int i=0;i<180; i++){
11    servo.write(i);
12    delay(15);
13  }
14  for(int i=180; i>0; i--){
15    servo.write(i);
16    delay(7);
17  }
18  
19}

#include <Servo.h>

Servo servo;

void setup() {
  servo.attach(9);
  
}
void loop() {
  for(int i=0;i<180; i++){
    servo.write(i);
    delay(15);
  }
  for(int i=180; i>0; i--){
    servo.write(i);
    delay(7);
  }
  
}

Code for project 1

arduino

Copy this code into ide

1#include <Servo.h>
2
3
4Servo servo
5
6void setup() {
7  servo.attach(9);
8
9  
10}
11void loop() {
12  servo.write(0);
13  delay(500);
14  delay(10000);
15
16  servo.write(90);
17  delay(500);
18  delay(10000);
19  servo.write(180);
20
21  delay(500);
22  delay(10000);
23  servo.write(90);
24  delay(500);
25  delay(10000);
26
27  servo.write(0);
28  delay(500);
29  delay(10000);
30}

#include <Servo.h>


Servo servo

void setup() {
  servo.attach(9);

  
}
void loop() {
  servo.write(0);
  delay(500);
  delay(10000);

  servo.write(90);
  delay(500);
  delay(10000);
  servo.write(180);

  delay(500);
  delay(10000);
  servo.write(90);
  delay(500);
  delay(10000);

  servo.write(0);
  delay(500);
  delay(10000);
}

Code for project 4

arduino

Upload this code into a new sketch in ide

1#include <Servo.h>
2
3int pos=random(0,180);
4
5Servo servo;
6
7void
8  setup(){
9  servo.attach(9);
10}
11void loop(){
12  servo.write(pos);
13  delay(250);
14
15  pos=random(0,180);
16  delay(5000);
17}

#include <Servo.h>

int pos=random(0,180);

Servo servo;

void
  setup(){
  servo.attach(9);
}
void loop(){
  servo.write(pos);
  delay(250);

  pos=random(0,180);
  delay(5000);
}

Code for for project number 3

arduino

Upload this code into a blank sketch in arduino

1#include <Servo.h>
2
3Servo servo;
4
5void setup(){
6  servo.attach(9);
7}
8void  loop(){
9  servo.write(10);
10  delay(300);
11  servo.write(0); 
12  delay(300);
13  servo.write(20); 
14  delay(300);
15  servo.write(0); 
16  delay(300);
17  servo.write(30); 
18  delay(300);
19  servo.write(0); 
20  delay(300);
21  servo.write(40); 
22  delay(300);
23  servo.write(0); 
24  delay(300);
25  servo.write(50); 
26  delay(300);
27  servo.write(0); 
28  delay(300);
29  servo.write(60); 
30  delay(300);
31  servo.write(0); 
32  delay(300);
33  servo.write(70); 
34  delay(300);
35  servo.write(0); 
36  delay(300);
37  servo.write(80); 
38  delay(300);
39  servo.write(0); 
40  delay(300);
41  servo.write(90);
42  delay(300);
43  delay(1000);
44  servo.write(0); 
45  delay(300);
46  
47}

#include <Servo.h>

Servo servo;

void setup(){
  servo.attach(9);
}
void  loop(){
  servo.write(10);
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(20); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(30); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(40); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(50); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(60); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(70); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(80); 
  delay(300);
  servo.write(0); 
  delay(300);
  servo.write(90);
  delay(300);
  delay(1000);
  servo.write(0); 
  delay(300);
  
}

Downloadable files

Wiring diagram

Wire the servo up to your Arduino board EXACLY or else it won’t work

Wiring diagram

Wire the servo up to your Arduino board EXACLY or else it won’t work

Wiring diagram

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