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LEGO®45504MINDSTORMS®MINDSTORMS®

EV3 Ultrasonic Sensor

Average rating3.5out of 5 stars

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Price999,00 Kč

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The digital EV3 Ultrasonic Sensor generates sound waves and reads their echoes to detect and measure distance from objects. It can also send single sound waves to work as sonar or listen for a sound wave that triggers the start of a program. Students could design a traffic-monitoring system and measure distances between vehicles, for instance. There is an opportunity to discover how the technology is used in everyday items like automatic doors, cars and manufacturing systems.

  • Measures distances between one and 250 cm (one to 100 in.)
  • Accurate to +/- 1 cm (+/- .394 in.)
  • Front illumination is constant while emitting and blinks while listening
  • Returns true if other ultrasonic sound is recognized
  • Auto-ID is built into the EV3 software
Building Instructions
EV3 Ultrasonic Sensor
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Overall RatingAverage rating3.5out of 5 stars
(4 Reviews)
50% would recommend this product.

Rating

Overall Experience

Play ExperienceAverage rating3out of 5 stars
Level of DifficultyAverage rating4out of 5 stars
Value for MoneyAverage rating4out of 5 stars
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Reviews

  • September 10th, 2015
    Average rating4out of 5 stars
    Not as accurate as the product specification
    | 35-44
    I would recommend this to a friend!
    Purchased for: Self
    I just got this and I found that it doesn't live up to the specification. It seems like it can only work with 1 inch distance to 100 inch distances. It doesn't work with 1 cm distance as mentioned in the spec "Measures distances between one and 250 cm (one to 100 in.) ". Also, less than 1 cm actually reads back as 255 cm.
    Building Experience: Intermediate LEGO builder
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    45EV3 Ultrasonic Sensor
  • April 10th, 2015
    Average rating5out of 5 stars
    Really usefull stuff!
    | 14-18
    I would recommend this to a friend!
    Purchased for: Self
    If you bought the EV3 home set, then buy this sensor with it. It's so usefull for a lot of things. I know the IR-Sensor can do this too but it can't do it well enough because it's not made for doing this! Really get this thing because you are going to love it!!!!
    Play ExperienceAverage rating5out of 5 stars
    Level of DifficultyAverage rating3out of 5 stars
    Value for MoneyAverage rating5out of 5 stars
    Build Time: 1 mins
    Building Experience: Intermediate LEGO builder
    Was this helpful?
    55EV3 Ultrasonic Sensor
  • December 17th, 2016
    Average rating1out of 5 stars
    ITS NOT ACCURATE
    | 14-18
    Purchased for: Self
    I'm doing some fll stuff and I need an ultrasonic sensor but when my parents purchased it I tried programing it and used online tutorials and stuff but IT DOESN'T WORK!! They even shipped me a brick from a totally different series! WHAT?! When I put my hand near it the thing reads 255 cm!! I try having it stop when it reaches a place but as long as its a tiny bit off it doesn't work. Both "eyes" have to detect the thing so you have to be crystal clear. Also, the gyro sensor turns 90 degrees when you set it to 80.
    Lego

    Response from LEGO SHOP

    21 December 2016
    Haley - Consumer Service Specialist, Consumer Services
    Uh oh! We're really sorry to hear your sensor isn't "sensing" properly! We have a super team of LEGO Tech experts who can help you figure out why your Ultrasonic Sensor is "near-sighted." They can also help with your Gyro Sensor as well! Visit service.LEGO.com for ways to contact us.
    Play ExperienceAverage rating1out of 5 stars
    Level of DifficultyAverage rating5out of 5 stars
    Value for MoneyAverage rating3out of 5 stars
    Was this helpful?
    15EV3 Ultrasonic Sensor
  • April 4th, 2015
    Average rating4out of 5 stars
    | 19-24
    Cool! it is cool yeah cool its very cheap to buy!!
    Was this helpful?
    45EV3 Ultrasonic Sensor
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