A demo of arduino controlling the servo
Module: steering gear ultrasonic bluetooth
function: when the distance of the object is less than 10cm, the clamp is controlled to clamp the object, and the measured distance is transmitted outward.
Program:
#include <Servo.h>
int TrgPin = A0;
int EcoPin = A1;
int dist;
Servo myservo; // Define Servo object to control
int pos = 0; // Angle storage variable
void setup() { Serial.begin(9600); myservo.attach(9);// The control line is connected to the digital 9 pinMode(TrgPin, OUTPUT); // Set EcoPin to input state pinMode(EcoPin, INPUT); }
void loop() { digitalWrite(TrgPin, LOW); delayMicroseconds(8); digitalWrite(TrgPin, HIGH); // Maintain a high level for 10 milliseconds to generate a pulse delayMicroseconds(10); digitalWrite(TrgPin, LOW); / / Read the width of the pulse and convert it to the distance dist = pulseIn(EcoPin, HIGH) / 58.00; Serial.println(dist);
if(dist<10){ for (pos; pos> 0; pos --) {// from 180° to 0° myservo.write(pos); // write the servo angle delay(5); // wait Rotate to the specified angle } }
if(dist>10){ for (pos; pos <90; pos ++) {// 0° to 180° // in steps of 1 degree myservo.write(pos); // write servo angle delay( 5); // Waiting to rotate to the specified angle } }
delay(700);
}
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