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After spending far too long on this than i felt i needed to i decided to ma.
Hc sr04 arduino beispiel. Things used in this project. Repository contents firmware arduino example code. This economical sensor provides 2cm to 400cm of non contact measurement functionality with a ranging accuracy that can reach up to 3mm.
Simple arduino and hc sr04 example. Like if statements switch case controls the flow of programs by allowing programmers to specify different code that should be executed in various conditions. Ardublog mi blog en español sobre arduino ardublog libreria para arduino del modulo ultrasonic ranging hc sr04.
Ultrasonic sensor hc sr04 ultrasonic sensor hc sr04 sen 15569 this is the hc sr04 ultrasonic ranging sensor. Coding in the arduino language will control your circuit. Open a new sketch file by clicking new.
Open the arduino ide software on your computer. We would like to show you a description here but the site won t allow us. This sensor is very popular among the arduino tinkerers.
1 ultrasonic sensor hc sr04 procedure. But what you will get from the echo pin will be double that number because the sound wave needs to travel forward and bounce backward so in order to get the distance in cm we need to multiply the received travel time value. For example if the object is 20 cm away from the sensor and the speed of the sound is 340 m s or 0 034 cm µs the sound wave will need to travel about 588 microseconds.
How to plug the ultrasonic hc sr04 into the arduino using the example plugandplay. 1 arduino uno r3. So here we provide an example on how to use the hc sr04 ultrasonic sensor with the arduino.
You will learn how to interface ultrasonic sensor hc sr04 with arduino. This code is licensed under creative commons share alike and attribution by j rodrigo. Library for hc sr04 ultrasonic distance sensor.
Library for hc sr04 ultrasonic distance sensor. In particular a switch statement compares the value of a variable to the values specified in case statements. After buying a hc sr04 from amazon i could not get it to work out of the box.
Not wanting to concede i had a doa sensor on my hands i searched for a simple example setup. In this project the ultrasonic sensor reads and writes the distance to an object in the serial monitor. Arduino with hc sr04 sensor.
Follow the circuit diagram and make the connections as shown in the image given below. It can be an ultrasonic range sensor or any purposes. Beginner protip 1 hour 111 825.
Source : pinterest.com
