1) 利用 Arduino 的数字引脚给超声波传感器的 Trig 引脚至少 10 微秒的高电平信号,这会让HC-SR04 超声波测距模块发射出8个40K赫兹的超声波脉冲(ultrasonic burst)。 2) 8个超声波脉冲发出后,echo引脚会输出高电平。假如没有声波返回,echo引脚会在38微秒后输出低电平。假如有声波返回,echo引脚会进入低电平状态。
Distance Sensor Project Build In this video lesson we create a portable distance measuring prototype, using an Arduino Uno R4 WiFi. This project incorporates a HC-SR04 Ultrasonic Sensor, a ‘Go’ button, and the SSD1306 OLED Display. The project is powered by the Sunfounder Breadboard power ...
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The HC-SR04 is an inexpensive, easy to use ultrasonic distance sensor, with a range of 2cm to 400 cm. It is commonly used in obstacle avoiding robots and automation projects. In this tutorial, you will learn how the sensor works and how to use it with Arduino. I have included 5 exampl...
Arduino UnoUltrasonic SensorMP3 ShieldThis study aims to create a reverse car parking assistant with Arduino Uno-based microcontroller. This tool is equipped with two distance sensors: HC-SR 04 ultrSupriyono, Prof.Marjuki, Prof.Social Science Electronic Publishing...
5. Ultrasonic Sensor Arduino Interfacing Wiring Diagram I have also sharedInterfacing of Ultrasonic Sensor with Arduinoin previous tutorial. I have discussed a detailed information onInterfacing of Multiple Ultrasonic Sensor With Arduino. Ultrasonic sensor Arduino interfacing completely labeled wiring diagram ...
So, we have covered pretty much everything that we need to know about using the HC-SR04 Ultrasonic sensor with Arduino. It’s a great sensor for many DIY electronics projects where we need a non-contact distance measuring, detection of presence or objects, level or position something etc. ...
Ultrasonic Sensor Project Used Software Arduino IDE Project Hardware Software Selection Arduino UNO: As you know that Arduino is a microcontroller-based open source electronic prototyping board that can be programmed with an easy-to-use Arduino IDE. The UNO is one of the most popular boards in Ar...
Arduino - 超声波传感器( Ultrasonic Sensor) HC-SR04超声波传感器使用SONAR来确定物体的距离,就像蝙蝠一样。 它提供出色的非接触式范围检测,具有高精度和稳定的读数,易于使用的包装,从2厘米到400厘米或1英寸到13英尺。 操作不受阳光或黑色材料的影响,虽然声学上很难检测到布料之类的柔软材料。 它配有超声波发射器...
We’ll explain how it works, show you some of its features and share an Arduino project example you can follow to integrate into your projects. We provide a schematic diagram on how to wire the ultrasonic sensor and an example sketch with the Arduino. Description The HC-SR04 ultrasonic ...