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。
Sensor ultrassônico arduino HC-SR04ArduinoDownload files Like Share 487 Downloads 13 Likes 0 Comments Details Uploaded: July 11th, 2019 Software: SOLIDWORKS, Rendering Categories: Tags: arduino, sensor, ultrasonic, ultrassom 13 Likes View all ...
Ultrasonic Sensor HC-SR04 (SEN-15569) This is the HC-SR04 ultrasonic ranging sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. There are only four pins that you need to worry about on the HC-SR04...
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....
Hc-Sr04 Ultrasonic Sensor Module 40kHz for Arduino Tx and Rx Detection, Find Details and Price about Distance Measurement Module Radar Sensor from Hc-Sr04 Ultrasonic Sensor Module 40kHz for Arduino Tx and Rx Detection - Shenzhen KangTong Technology Co.,
HC-SR04 Ultrasonic Sensor interface with Arduino HC-SR04 Ultrasonic Sensor code for Arduino /* Ping))) Sensor This sketch reads a PING))) ultrasonic rangefinder and returns the distance to the closest object in range. To do this, it sends a pulse to the sensor to ...
The HC-SR04 Ultrasonic Sensor is a very affordable proximity/distance sensor that has been used mainly for object avoidance in various robotics projects . It essentially gives your Arduino eyes / spacial awareness and can prevent your robot from crashing or falling off a table. It has also been...
Arduino NANODistanceEnergyHC-SR04This research work is designed as the distance measurement with energy conservation system using Ultrasonic sensor and Arduino NANO. Ultrasonic sensor emits high frequency sound waves, which reflects from target surfaces. This work utilized these sound waves through ...
With Arduino ultrasonic sensors like the HC-SR04, you can measure the distance. Through this Arduino tutorial, you will learn how an Ultrasonic sensor works and how do you use it with the Arduino and even with the Raspberry Pi.
This HC-SR04 has fixed I2C address (0x57), therefore only one unit is allow in I2C bus. For multiple units on single I2C bus, checkout ourUltimate SR04. Thescrew / nut setfor this sensor can be purchased separately. Features: I2C interface (I2C Address: 0x57) ...