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> Robotics & DIY > Arduino

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Ultrasonic Module HC-SR04 Arduino

Ultrasonic Module HC-SR04 Arduino
Ultrasonic Module HC-SR04 Arduino

The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object - just like bats or dolphins do.

This module offers excellent range accuracy and stable readings in an easy-to-use package. It operation is not affected by sunlight or black material (although acoustically soft materials like cloth can be difficult to detect). Similar in performance to the SRF005 but with the low-price of a Sharp infrared sensor.

Perfect for collision avoidance on your next robotics or multirotor project!


Spec:
Power: 5V DC
Quiescent Current : <2mA
Effectual Angle: <15°
Ranging Distance : 2cm – 500 cm/1" - 16ft
Resolution : 0.3 cm
LxWxH: 45 x 20 x 15mm
Weight: 8.5g 

Includes:
Ultrasonic Module
1 x Terminated ribbon cable 200mm


PRODUCT ID: 387000005


Weight: 14g Quantity: 
stock
10+
Price$2.89


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 Customer rated
516
crowns
  
 
Total of 63 discussions.
jacks1979  21 points - 3/26/2014
 
Does anybody know how to do it waterproof? It detects almost everything and it is impossible to use it as a parking sensor for my car. It doesn't detect cotton, but it is not a water resistant material. Thx in advanced.
 Gerry01 4242 points
Jack, I guess that any water proof cover will block sound. For that purpose, I would use infrared detectors.
BEST ANSWER CREDIT AWARDED
 jacks1979 21 points
I agree with you. I have bought an infrared detector too in order to use it instead of this one, but I strongly believe that there must be any other material which might be not detected by an ultrasonic sensor.... I'll continue researching this issue....
 Gerry01 4242 points
thanks for the credit! did you find any suitable material?
 jacks1979 21 points
I think that it doesn't detect some kinds of metal estructures* for example, it doesn't detect tin solder material, and some others. Despite having done that "discovers" I have been trying with my infrared sensor (Sharp 20-150cm) but the measures it does are not very accurate: for the same distance, sometimes it measures one voltage and sometimes another, so you can not trust in it.
zelea2  1 points - 3/16/2014
 
These sensors are not so great for distant or soft obstacles but they can be improved. *******uglyduck.ath.cx/ep/archive/2014/01
/Making_a_better_HC_SR04_Echo_Locator.html
superjeff  2 points - 1/29/2014
 
Did you find how to wire to a apm 2.5 yet?
 domdom 121 points
using the mission planner from ardupilot****, in the setup wizard there is a point for optional sensors
FARDIM  10 points - 1/19/2014
 
when it will arrive again? it has been over 1 month.
 Santhosh_r 314 points
You can buy from ebay too...same price...
 iwanros 1 points
it has been restocked!
Cpcharly  6 points - 1/9/2014
 
Its found into a MultiWii PRO Flight Controller w/MTK GPS Module?
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awsome1
276 likes
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dirt cheap works with multiwii and megapirate


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raposao
302 likes
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Este produto e otimo pois tem uma precisao muito boa e com baixo consumo alem do preco que se levar em conta esta de graca pelo que e o produto


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Durbz
17 likes
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wonderful product. very easy to handle and a handy product. really loved working on it.


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20 likes
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Clen pcb, clean soldering, not expansive at all. However, the value readings i have here ( maybe it is my program, don't know yet)are not enough stable to use it for on-board distance mesures, especially during obstacle avoidance calculations.


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ripcurl777
449 likes
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i try to use this with KK2.0 since hefnyCopter Supports this on KK2.0 i hope it is accurate :D


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