The Sharp GP2D12 is an analog distance sensor that uses infrared to detect an object between 10 cm data obtained from Sharp’s GP2D12 datasheet. For more information on the minor differences, please refer to the datasheets for each sensor: Datasheets; GP2D12 Datasheet · GP2Y0A21YK0F Datasheet. Page 1. Page 2. 2Y0A21 F 4 Z. 2Y0A21 F 4Z. Page 3. Page 4. Page 5. Page 6. Page 7. Page 8. Page 9.
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Sharp GP2D12 and 2Y0A02 infrared rangers output a voltage proportionate to the distance of an object from the sensor. We powered the sensors with a 5volt supply, as shown in the schematic above.
Parts: Analog distance sensors (Sharp GP2D12/2Y0A02) | Hackaday
We connected the output directly to a multimeter set to measure voltage. This graph shows the relationship between the output voltage of the GP2D12 and the distance of objects from the sensor datasheet page 3, figure 6.
The output is unreliable for extremely close objects, seen as the small hump between 5 and 10cm. For an exhaustive discussion of the various Sharp proximity sensors, check out the Sharp IR ranger information page at Arconame.
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K, so these things are great, but for those who want something digital, might I recomend these guys: They basically took the same sharp sensor and added their own really small pic microcontroller, and gave the things I2C out, or if you search around on their site they also have serial ones.
Cool stuff, handy for more complicated projects. Sorry wrong link- that one has a range finder on it, but its not dedicated. Try this one instead its cheaper:.
It looked much better before being youtubeized. I used three of these little sharp gp2d112 for my masters project, a light weight height sensor for helicopter UAVs. They are slightly tricky to use though since the output voltage isnt linear.
Have a look if you like:. I used these sensors for a microprocessor project. I attached them to the head of a roboquad and then used them I fried the original IR sensor since I didnt know gpp2d12 it was.
I have used these sensors for a project of mine but found their accuracy even after calibration to be a bit off. The output even with the capacitor was very noisy. Does anybody know of another preferable cheap sensor that can do the same job but be more accurate at distances from cm? I was thinking of replacing the transmit LED with a laser — I need to sense the distance of a small object at a distance, and a more-precise spot might be helpful.
Looking for to experimenting with this! Oompany datsheet distribute Electronic parts in Iran market.
(PDF) GP2D12 Datasheet download
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SHARP IR Ranger Sensor GP2D12 for Arduino – Geeetech Wiki
Notify me gpd12 new posts via email. This site uses Akismet to reduce spam. Learn how your comment data is processed. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Try this for a 2m — 3m range: Try this one instead its cheaper: Have a look if you like: Dear SalesOompany is distribute Electronic parts in Iran market.
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