Slowing down servo motor

Hi, Members kindly helped me out a few weeks back with my thermometer sketch, which works fine, however, I want to slow the servo movement as it's very jerky. Can anybody offer some advice as to how I can incorporate a delay? into my existing code, please. I entered a delay after the digital write command, not making any difference. (the delay command is not important to the control program) The servo is an MG90S and works directly from pin 5 and actuates a drum with an angle of 0 >180` The servo tends to be very jerky.
Here is my sketch:-

/*  Atmega 328  
 *  
 *   tested 10/02/2024
 */

#include <Servo.h>
#include <OneWire.h>
#include <DallasTemperature.h>

const int SERVO_PIN  = 5; // Arduino pin connected to Servo Motor's pin
const int SENSOR_PIN = 2; // Arduino pin connected to DS18B20 sensor's DATA pin
const float TEMPERATURE_THRESHOLD = 30; // °C  20

Servo servo; // create servo object to control a servo
OneWire oneWire(SENSOR_PIN);         // setup a oneWire instance
DallasTemperature sensor(&oneWire); // pass oneWire to DallasTemperature library
float temperature;
float servopos;

void setup() {
  Serial.begin(9600);      // initialize serial
  servo.attach(SERVO_PIN); // attaches the servo on pin 5 to the servo object 
  sensor.begin();          // initialize the sensor
}
void loop() {
  delay(1000);
  sensor.requestTemperatures();             // send the command to get temperatures
  temperature = sensor.getTempCByIndex(0);  // read temperature in Celsius
  servopos = (180.0 / 12.0) * (temperature-10.0); //servopos = 180 - servoposraw;  // 20
  if (servopos < 0) servopos = 0;
  if (servopos > 180) servopos = 180;
  servo.write(servopos);
  delay (15);
  Serial.println(servopos);
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print("°C => servo angle: ");
 }

3 posts - 3 participants

Read full topic