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;
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BoardSDASCL Arduino Uno A4 A5 Arduino Nano A4 A5 Arduino Micro 2 3 Arduino Mega 2560 20 21 Arduino Leonardo 2 3 Arduino Due 20 21I2C pin locations for different Arduino boardsThe code uses the LiquidCrystal_I2C library, which you can download here on GitHub. Make sure that you have this...
Arduino Nano+超声波模块+温湿度传感器校准 目的 1.超声波发射器向某一方向发射超声波,在发射时刻的同时开始计 时,超声波在空气中传播,途中碰到障碍物就立即返回来,超声波接收器收到反射波就立即停止计时。设超声波在空气中的传播速度为 340m/s,根据计时器记录的时间 t,就可以计算出发射点距障碍物的距离 S 2....
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...