Arduino Nano与HC-SR04超声波传感器 1. 超声波传感器基本参数 使用电压:DC5V 静态电流:小于2mA 电平输出:高5V 电平输出:底0V 感应角度:不大于15度 探测距离:2cm-450cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 const int TrigPin = 2; const int EchoPin =...
Arduino 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 int trigPin=12; int echoPin=11; int pingTravelTime; float pingTravelDistance; float distanceToTarget; int dt=50; void setup() { // put your setup code here, to run once: pi...
voidsetup(){pinMode(trigPin,OUTPUT);// Sets the trigPin as an OutputpinMode(echoPin,INPUT);// Sets the echoPin as an InputSerial.begin(9600);// Starts the serial communication}Code language:Arduino(arduino) In the loop first we have to make sure that the trigPin is clear so you have...
Arduino 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 int Trig=A5; int Echo=A4; int pingT; void setup() { // put your setup code here, to run once: pinMode(Trig,OUTPUT); pinMode(Echo,INPUT); Serial.begin(9600); } void loop() ...
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To create a 3 pin setup (GND, 5V and SIG) you have to connect both the trigger pin and the echo pin to the same digital pin on the Arduino. In the code, the only thing you have to change is line 6-7 and define the same pin for both the trigPin and the echoPin. For example...
We see an Arduino Uno connected to the classic HC-SR04 ultrasonic distance sensor, an LED, and we have to assume a USB battery pack. [Lloyd] recommends the smaller Nano, we might reach for the postage-stamp models and swap the ultrasonic module out forthe much smaller laser time of fligh...
voidsetup(){pinMode(trigPin,OUTPUT);// Sets the trigPin as an OutputpinMode(echoPin,INPUT);// Sets the echoPin as an InputSerial.begin(9600);// Starts the serial communication}Code language:Arduino(arduino) In the loop first we have to make sure that the trigPin is clear so you have...