This content and associated text is in no way sponsored by or affiliated with any company, organization, or realworld good that it may purport to portray. Ir sensors work by using a specific light sensor to detect a select light wavelength in the infrared ir spectrum. First, a quick word on why we would want to do this. Sharp gp2y0a21 ir distance sensor 1080cm for arduino. It is a great sensor to use for autonomous robots or noncontact optical switches. Sharp ir ranger sensor gp2d12 for arduino geeetech wiki.
Sharp 2y0a21 ir distance sensor 3d cad model library. Linearizing the sharp ir rang er 2yoa21 with an arduino today i will be linearizing a sharp ir. In this tutorial, you will learn how the sensor works and how to use it with arduino. How to use sharp ir distance sensor with arduino download. Sharp reserves the right to make changes in the specifications, characteristics, data, materials, structures and other contents described herein at any time without notice in order to improve design or reliability. This means one jst on the bottom and one jst on the top. Arduino forum forum 20052010 read only hardware interfacing help with ir distance sensor sharp 2y0a02. I wanted to avoid sweeping back and forth using a motor so i bought two. How to use sharp ir distance sensor with arduino gp2y0a710k0f.
The cad files and renderings posted to this website are created, uploaded and managed by thirdparty community members. Im involved in a school project that requires tu misure a distance of an object, i was considering the ping ultrasonic sensor, but i read that is used for far away objects, and i need to measure short distances. Sharp 2y0a21 ir distance sensor 3d cad model library grabcad. Sharp gp2y0a02yk0f ir distance sensor 20150 cm arduino library o. The voltage output in this device is corresponding to the detection distance. Distance measuring sensor arduino project hub arduino create. Dec 27, 2014 first, a quick word on why we would want to do this. If nothing happens, download the github extension for visual studio and try again. Using 2 or sharp infrared sensor module with arduino. Sharpdist esp32 arduino library for sharp 2y0a21 ir distance sensor. Sharp memory display library adafruit gfx library for details on how to install libraries, see this guide. Sharp gpy2y0a21yk0f ir distance sensor arduino demo download summary.
The constant in the linearization function equation 1 depends on the sensor type and calibration data parameters. The sharp distance sensor 2y0a21 is wide angel distance measuring sensor with accurate measurment used for many diy projects. The sharp gp2y0a710k0f is a relatively easy to use ir distance sensor with an extra long range of 100 500 cm. This video shows you how to use sharp infrared distance sensor to measure the distance using arduino. The gp2d12 provides a nonlinear voltage output in relation to the distance an object is from the sensor and interfaces easily using any analog to digital converter. Gp2y0a21yk0f datasheetpdf sharp electrionic components.
This is a sharp gp2y0a21 irinfrared distance sensor for arduino. The datasheet says in pairs to position them in opposite orientation. In this tutorial you will learn how the sensor works and how to use it with arduino. The sharp ir rangers are a very effective means of measuring distance. An alternative library, where the board does the actual calculation on the cpu can be found here. Sharp distance sensor 2y0a02 is a distance measuring sensor unit. While ultrasonic sensors for more about those see the sensors label can be fooled. Sharp gp2y0a21yk0f distance measuring sensor unitcomposed of an integrated combination of psd position sensitive detector, ired infr. Perform 25 reading of analog pin nb samples can be changed in. The sharp gp2d12 is an analog distance sensor that uses infrared to detect an object between 10 cm and 80 cm away.
How to use a sharp gp2y0a21yk0f ir distance sensor with arduino. This library uses a lookup table in program memory to convert the adc values to distance values. How to use the sharp ir sensor gp2y0a41sk0f arduino. Sharp gpy2y0a21yk0f ir distance sensor arduino demo. Feb 03, 2018 this video shows you how to use sharp infrared distance sensor to measure the distance using arduino. Sharp, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Except where specially indicated, models listed on this page comply with the rohs directive. Sharp gp2y0a21yk0f ir sensor datasheet parallax inc. We using gp2y0a21yk wideangle distance measuring sensor. Please visit this link here for nextpcbs special offers. The circuit application examples in this publication are pr ovided to explain representative applications of sharp. The latest version of the library can be downloaded here on github or click the button. This is a start guide for using distance sensors with arduino and some processing. Download the code for sharp infrared sensor arduino c. Than my teacher came up with a ir distance sensor manufactured by sharp. This popular sensor made by, sharpdistancesensor2y0a211080cm. Using the values from the graph from the sharp data sheet above, make yourself a distancemeasuring device.
Allow to acquire distance data from analog sharp ir sensors. Linearizing the sharp ir ranger 2yoa21 with an arduino. The sharp gp2y0a21yk0f is a relatively easy to use ir distance sensor with a range of 10 80 cm. You will see how to connect 2 or more sharp ir sensors to measure distance on a smart car or robotic applications.
Arduino uno demo code for the sharp gpy2y0a21yk0f ir distance sensor. It can also find the distance to objects that present a very narrow edge, it has infrared proximity sensor and can measure the distance form 20 cm to 150 cm. Download the libraries to use the sharp memory display with your arduino, you will need to download and install 2 libraries. Featuresvery small in size less influence on the color of reflected objects, reflectivity analog voltage corresponding to distance detecting distance of 10 to 80 cm external. The sharpdist library implements a class called sharpdist.
Library for the sharp gp2y0a41sk ir distance sensor. If youre running a recent version of the arduino ide, you can install it with the library manager. Sharp ir detector angle of reflection arrival for near and far object. I have included a wiring diagram and example code so you can. While ultrasonic sensors for more about those see the sensors label can be fooled by textures and echos, ir sensors are more susceptible to interference from outside light sources and changes in material reflectivity. I have included a wiring diagram and example code so you can start. If there is an object in front of this sensor 10 to 80 cm that object reflects some ir rays back to the. Sharp gp2d12 and 2y0a02 infrared rangers output a voltage proportionate to the distance of an object from the sensor. Sharp gp2y0a21yk0f ir sensor datasheet download summary sharp datasheet for the gp2y0a21yk0f 1080 cm infrared distance sensor, including technical specifications, output characteristics, and dimensional drawings. How to use sharp ir distance sensor with arduino gp2y0a21yk0f. Share on tumblr the ir infra red proximity sensor or distance sensor has two elements one is ir emitter and another one is ir receiver. The incident angle of the reflected light varies based on the distance to the object.
The interface is 3wire with power, ground and the output voltage. Try downloading the codebender plugin and clicking on the run on arduino button to program your arduino board. As such, this constant can be represented as k since it may. Sharp gp2y0a02yk0f ir distance sensor 20150 cm arduino. Contact sharp in order to obtain the latest device specification sheets before using any sharp device.
The product description for the sharp 2y0a21 can be found here. Includes sketches for both simple and averaged measurements. This sensor is great for sensing objects up to 5 feet away. The receiver portion of the ir rangers is a precision lens that transmits reflected light onto various portions of the enclosed linear ccd array based on the incident angle of the reflected. It will produce 32 khz range ir pulse and typical response time of ir receiver will be 39 ms. The bildr guide has explains the 2y0a21 as well as other proximity sensors. This library was a test to evaluate code size and processing time. Sharp ir rangefinder gp2y0a21yk0f 10cm80cm sharp ir. In the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equipment using any sharp devices shown in catalogs, data books, etc. In this tutorial we will use the sharp ir sensor gp2y0a41sk0f to measure distance from an object. It can be used for touchless switch, sensor for energy saving, for detection of human body. The output is analog which is proportional with the distance of the object. This means that you need to measure the voltage coming out from vo and figure out the distance value based in the manufacturer datasheet. How to use sharp ir distance sensor with arduino download code.
The wires connected to the sensor are stranded wires, so i soldered each end to a piece of solid core wire to make it easier to insert into the arduino. Arduino infrared proximity sensor project hackster. How to use the sharp ir sensor gp2y0a41sk0f arduino tutorial. Linearizing the sharp ir ranger 2yoa21 with an arduino today i will be linearizing a sharp ir. It is united with psd infrared led and signal processing circuit. This extra long range makes them a good alternative for ultrasonic distance sensors.