Iṣakoso Moto Servo Arduino Pẹlu Potentiometer

Iṣakoso Moto Servo Arduino Pẹlu Potentiometer

Ninu ẹkọ yii, a yoo ṣawari bi a ṣe le ṣakoso moto servo nipa lilo potentiometer pẹlu Arduino. Ibi-afẹde ni lati ṣẹda iyika ti o rọrun nibiti ipo servo ti wa ni atunṣe da lori iyipo potentiometer. Ni ipari iṣẹ akanṣe yii, iwọ yoo ni awoṣe ti n ṣiṣẹ ti o yipada laisiyonu igun servo lati 0 si 180 iwọn bi o ṣe n yi potentiometer. Eyi jẹ ọna nla lati ni oye awọn ipilẹ ti input analog ati iṣakoso servo ni Arduino.

Lati le e, a o lo igbimọ Arduino, moto servo, ati potentiometer. Potentiometer naa n ṣiṣẹ gẹgẹbi olutọju oniyipada, n pese input analog si Arduino, eyiti yoo pinnu ipo moto servo naa ni ibamu. Ise agbese yii kii ṣe igbadun nikan ṣugbọn tun jẹ ẹkọ, bi o ṣe n ṣe afihan awọn imọran pataki ni itanna ati siseto. Fun alaye jinlẹ diẹ sii, rii daju lati wo fidio naa (ni fidio ni 00:00).

Itumọ Ẹrọ

Ninu iṣẹ́ akanṣe yìí, àwọn eroja pàtàkì ni àtàwọn àgbájọ Arduino, motor servo, àti potentiometer. Arduino ni ọpọlọ iṣẹ́ náà, tó ń ṣe àtúnṣe àwọn ìkànsí àti ṣàkóso àwọn ìtẹ̀sí. Motor servo ni ohun tí yóò gbe nípa ìṣẹ́ tí ó gba láti ọdọ Arduino. Potentiometer lè jẹ́ 1k ohm sí 1M ohm tó ń jẹ́ kí àwọn olumulo lè fi ìkànsí oníyí padà sí ìgbésẹ̀ motor servo.

Motor servo n ṣiṣẹ nipa gbigba ifihan PWM (Ipa Iwọn Iwọn) ti o tọka ipo ti a fẹ. Potentiometer, nigbati a ba yi i, yi resistance rẹ pada, eyiti Arduino ka gẹgẹbi folti analog. Motor Servo n ṣiṣẹ pẹlu 5V. Ko ṣiṣẹ pẹlu 3.3V. Folti yii ni a ṣe afiwe si ibiti gbigbe ti motor servo, ti o fun laaye fun gbigbe rirọ lati 0 iwọn si 180 iwọn.

Alaye iwe data fun moto servo SG90

• Rii daju pe servo naa ko kọja iwọn lọwọlọwọ ti o pọ julọ rẹ.
• Lo lo ohun amuṣiṣẹpọ ti servo ba n ṣiṣẹ ni itẹsiwaju ni awọn ẹru giga.
• So pọ́tentiọ́métà náà sí pin ànàlógì fún ìtẹ́numọ́ tó péye.
• Mura ni akiyesi akoko ifihan PWM fun iṣakoso servo.
• Ṣayẹwo ibiti iṣipopada servo lati yago fun awọn idena ti ara.

Ilana Asopọ

Fun iṣeto yii, iwọ yoo nilo lati so awọn eroja pọ bi atẹle:

So pọ́tentiọ́métà àárín (wiper) sí pin àlàgèdá Arduino.A0. Awọn pin meji miiran ti potentiometer yẹ ki o sopọ si5VatiGNDni Arduino. Fun moto servo, so pọ mọ́ àwọ̀ pupa si5V, okun dudu siGND, ati okun ofeefee tabi funfun si pin oni-nọmba9ni Arduino. Ilana yi n jẹ ki potentiometer funni ni analog input si Arduino, eyi ti yoo ṣakoso ipo servo motor da lori input yẹn.

Rii daju lati ṣayẹwo gbogbo awọn asopọ ki o si rii daju pe servo ko ni idiwọ ninu ibiti gbigbe rẹ. Ti o ba nlo awoṣe Arduino miiran, jẹrisi pe awọn atokọ pin fun input analog ati output servo jẹ ibamu.

Àpẹẹrẹ Kóòdù & Irin-ajo

Ní isalẹ ni apakan koodu ti o bẹrẹ servo ati ka iye potentiometer:

#include 

Servo myservo;  // create servo object to control a servo
int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
}

Ninu koodu yii, a fi ile-ika Servo kun ati ṣẹda ohun kan servo ti a npe nimyservo. Servo naa so pọ si pin9, eyi ti o fun wa laaye lati ṣakoso rẹ nipa lilo pin yii.

void loop() {
  int sensorValue = analogRead(A0);  // read the potentiometer
  pos = map(sensorValue, 0, 1023, 0, 180);  // map to servo position
  myservo.write(pos);  // move servo to position
  delay(15);  // waits 15ms for the servo to reach the position
}

Ninu iṣẹ́ àtẹ̀jáde, a ka iye potentiometer láti pinA0ati ki o lati inu ibiti rẹ (0-1023) si ibiti servo naa (0-180 iwọn). Ẹgbẹmyservo.write(pos)aṣẹ naa lẹhinna gbe servo si ipo ti a fẹ da lori iyipo potentiometer.

Iṣafihan / Kí ni láti retí

Nigbati o ba n ṣiṣẹ eto yii, o yẹ ki o rii moto servo n gbe ni irọrun lati 0 si 180 iwọn bi o ṣe n yi potentiometer. Ti servo ko ba gbe bi a ti nireti, ṣayẹwo awọn asopọ ki o si rii daju pe potentiometer n ṣiṣẹ ni deede. Pẹlupẹlu, rii daju pe Arduino ni agbara to peye ati pe koodu ti wa ni ikojọpọ laisi awọn aṣiṣe. O le nireti lati rii servo ti n ṣe afihan ipo potentiometer ni akoko gidi (ni fidio ni 02:00).

Àkókò Fídíò

• 00:00- Ifihan si iṣẹ akanṣe
• 01:30- Àkọsílẹ̀ ìtọ́kasí ohun èlò
• 03:45- Àkọsílẹ́ ìtòsọ́na fífi ẹ̀rọ pọ̀
• 05:00- Iṣipopada koodu
• 07:30- Ifihan ti iṣẹ akanṣe ti a pari

Aworan

Arduino wiring for controlling Servo motor with Potentiometer

Arduino wiring for servo motor

Arduino wiring for controlling Servo motor with Potentiometer

Arduino wiring for servo motor

/**
*Original source: Arduino IDE
* Arduino Project: Controlling the servo position
* This code is used with a video tutorial for Robojax.com
* Published on April 24, 2017, from Ajax, ON, Canada.
* Written/Edited by Ahmad Shamshiri
* Watch the video on YouTube: https://youtu.be/kZ9b31gVemc
* View tutorial page for this code https://robojax.com/RJT8
* Controlling a servo position using a potentiometer (variable resistor)
*/



#include <Servo.h>

Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards

int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
}

void loop() {
  for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    // in steps of 1 degree
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
  }
  for (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
  }
}