#NodeMCU theremin Dernière modification : 2016/12/23 16:20
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{{ /* HC-SR04 Ping distance sensor: VCC to arduino 5v GND to arduino GND Echo to Arduino pin 7 Trig to Arduino pin 8 This sketch originates from Virtualmix: http://goo.gl/kJ8Gl Has been modified by Winkle ink here: http://winkleink.blogspot.com.au/2012/05/arduino-hc-sr04-ultrasonic-distance.html And modified further by ScottC here: http://arduinobasics.blogspot.com.au/2012/11/arduinobasics-hc-sr04-ultrasonic-sensor.html on 10 Nov 2012 Further modified by Peter Takacs on 04/02/04 https://patakacs.wordpress.com/2014/02/04/ultrasonic-sensor-hc-sr04-and-piezo-speakers-measuring-distance-and-playing-a-tone-with-piezo/ / int echoPin = D5; int trigPin = D6; //int LEDPinYellow = 2; // Yellow LED //int LEDPinGreen = 4; // Green LED int soundPin = D7; // Piezo int maximumRange = 200; int minimumRange = 5; long duration, distance; void setup() { Serial.begin (9600); // Init communications to serial monitor pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); //pinMode(LEDPinYellow, OUTPUT); //pinMode(LEDPinGreen, OUTPUT); } void loop() { / The following trigPin/echoPin cycle is used to determine the distance of the nearest object by bouncing soundwaves off of it. */ digitalWrite(trigPin, LOW); delayMicroseconds(2); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); duration = pulseIn(echoPin, HIGH); //Calculate the distance (in cm) based on the speed of sound. distance = duration/58.2; if (distance >= maximumRange \|\| distance <= minimumRange){ // Yellow led indicated out of maximumRange. Prints “Out Of Range” to serial if target is outside maximumRange. Serial.println("Out Of Range"); //digitalWrite(LEDPinYellow, HIGH); //digitalWrite(LEDPinGreen, LOW); } else { // When ultasonic sensor picks up a signal _within_ maximumRange, print distance in cm to serial monitor, turn off YellowLed and turn on GreenLED. Serial.print("Distance = " ); Serial.print(distance); Serial.println(" cm" ); //digitalWrite(LEDPinYellow, LOW); //digitalWrite(LEDPinGreen, HIGH); tone(soundPin, 800, 300); delay(distance); // Distance is the delay in ms between tones, ie Near maxRange -> Long tones, Near minimumRange -> Rapid tones. noTone(soundPin); } // Mandatory delay delay(50); } }} Mot de passe :
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#NodeMCU theremin

Dernière modification : 2016/12/23 16:20

Éditer (Aide) / Historique

{{
/*
HC-SR04 Ping distance sensor:
VCC to arduino 5v
GND to arduino GND
Echo to Arduino pin 7
Trig to Arduino pin 8
This sketch originates from Virtualmix: http://goo.gl/kJ8Gl
Has been modified by Winkle ink here: http://winkleink.blogspot.com.au/2012/05/arduino-hc-sr04-ultrasonic-distance.html
And modified further by ScottC here: http://arduinobasics.blogspot.com.au/2012/11/arduinobasics-hc-sr04-ultrasonic-sensor.html
on 10 Nov 2012
Further modified by Peter Takacs on 04/02/04 https://patakacs.wordpress.com/2014/02/04/ultrasonic-sensor-hc-sr04-and-piezo-speakers-measuring-distance-and-playing-a-tone-with-piezo/
*/

int echoPin =  D5;
int trigPin =  D6;
//int LEDPinYellow = 2; // Yellow LED
//int LEDPinGreen = 4; // Green LED
int soundPin = D7; // Piezo

int maximumRange = 200;
int minimumRange = 5;
long duration, distance;

void setup() {
Serial.begin (9600); // Init communications to serial monitor
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
//pinMode(LEDPinYellow, OUTPUT);
//pinMode(LEDPinGreen, OUTPUT);
}

void loop() {
/* The following trigPin/echoPin cycle is used to determine the
distance of the nearest object by bouncing soundwaves off of it. */
digitalWrite(trigPin, LOW);
delayMicroseconds(2);

digitalWrite(trigPin, HIGH);
delayMicroseconds(10);

digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);

//Calculate the distance (in cm) based on the speed of sound.
distance = duration/58.2;

if (distance >= maximumRange || distance <= minimumRange){
// Yellow led indicated out of maximumRange. Prints “Out Of Range” to serial if target is outside maximumRange.
Serial.println("Out Of Range");
//digitalWrite(LEDPinYellow, HIGH);
//digitalWrite(LEDPinGreen, LOW);
}
else {
// When ultasonic sensor picks up a signal _within_ maximumRange, print distance in cm to serial monitor, turn off YellowLed and turn on GreenLED.
Serial.print("Distance = " );
Serial.print(distance);
Serial.println(" cm" );
//digitalWrite(LEDPinYellow, LOW);
//digitalWrite(LEDPinGreen, HIGH);
tone(soundPin, 800, 300);
delay(distance); // Distance is the delay in ms between tones, ie Near maxRange -> Long tones, Near minimumRange -> Rapid tones.
noTone(soundPin);

}

// Mandatory delay
delay(50);
}
}}

Mot de passe :

Wiki utilisant WiKiss 0.3
2025/07/05 15:53 -- 216.73.216.6

Éditer (Aide) / Historique