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 example code for MaxBotix MB1240 XL-MaxSonar-EZ4 ultrasonic distance sensor: analog voltage output. More info: www.makerguides.com */ #define sensorPin A0 int distance = 0; void setup() { Serial.begin(9600); } void read_sensor() { distance = analogRead(sensorPin) * 1; } ...
Easy Integration with Arduino:Designed for Arduino, this sensor module is a breeze to set up and use with Arduino code for distance sensor. Compact and Portable Design:At just 24.2x35.1mm, the HC-SR04P is a space-efficient solution for your DIY projects. Wide Application Range:Ideal for rob...
Arduino is a small microcontroller board with a USB plug to connect to the computer. The Arduino board senses the environment by receiving input from a variety of sensors and can affect its surroundings by controlling lcds, speakers, motors and GS module. Ultrasonic Sensor measure the distance ...
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.
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// take half of the distance travelled. return microseconds / 29 / 2; } The output of the code displays the distance of an object from the sensor in both inches and centimeters in the serial monitor. To know more about HC-SR04 Ultrasonic Sensor using Arduino refer to this link ...
This is used to calculate the distance since the speed of sound in air is a known constant(343m/s). We can display this information on an LCD in centimeters or inches. All these actions are controlled using an Arduino. Let's have a look at the HC-SR04 ranging sensor now!
/Firmware - Arduino example code. Make sure to check the pin definitions and what you are connecting to. Documentation Hookup Guide - Basic hookup and project example using the ultrasonic sensor. (Note: The example code used in this tutorial is slightly different than the basic example used ...