Touch free straw dispenser

thingiverse

Touch free straw thing Code #include <Servo.h> #define trigPin 8 #define echoPin 9 #define powerPin 12 Servo myservo; long duration; float distanceInch; int timer; int dt=200; void setup() { pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); pinMode(powerPin, OUTPUT); Serial.begin(9600); myservo.attach(11); myservo.write(180); digitalWrite(powerPin, HIGH); } void loop() { digitalWrite(trigPin, LOW); delayMicroseconds(2); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); duration = pulseIn(echoPin, HIGH); distanceInch = duration * 0.0133 /2; timer = distanceInch * 10; Serial.println(distanceInch); delay(dt); if(distanceInch<=5.0){ myservo.write(90); delay(500); myservo.write(180); delay(500); } }