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 =...
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Example code for HC-SR04 with Arduino Now that you have wired up the sensor it is time to connect the Arduino to the computer and upload some code. You can upload the following example code to your Arduino using theArduino IDE. Next, I will explain to you how the code works. /* Exam...
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...
We are building this with parts from our Elegoo Kit , and our actual build is using an Arduino Nano, which allows the project to be built on a single breadboard. You can get the neat jumper wires HERE. This video takes you through the process step-by-step. The code developed in this...
Schematic for Connecting the HC-SR04 to an Arduino The connection pins are the same when connecting to a Nano. The video below explains how to measure speed of sound from data coming from this sensor. Code used in Today’s Lesson: Arduino 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...
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...