8pcs Ultrasonic Sensor Module HC-SR04 with 4pcs Mounting Bracket Distance Sensor Compatible with Arduino Kit, for Mega2560, R

4.7 4.7 out of 5 stars | 453 ratings

Price: 11.99

Last update: 08-09-2024


About this item

Power supply: 5V DC; Quiescent current: less than 2mA.
Test distance = ((Duration of high level)*(Sonic :340m/s))/2
The detection zone: 0.78~196 in/ (2cm~500cm); High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°
Test mode :Using IO trigger for high level signal.( Not less that 10us),The Module sends eight 40 kHz automatically and detect whether there is a pulse signal back.
Package included: 8pcs HC-SR04+ 4pcs Mounting Bracket(support HC-SR04 only)

Top reviews from the United States

slomobile
5.0 out of 5 stars very useful little kit
Reviewed in the United States on December 28, 2023
The brackets work much better than some of the cobbled together mounts I've seen. Keeping the sensor in a fixed position is key to repeatable performance.
Edward J Hall
5.0 out of 5 stars Good value
Reviewed in the United States on September 8, 2022
Easy to use, accuracy was good, connection is easy and the plastic holders are useful.
Harry T
5.0 out of 5 stars Works well
Reviewed in the United States on March 5, 2023
Bought for my train layout to sense trains on tracks approaching to light cross buck signals
Michigan Family
4.0 out of 5 stars Sensor great value - library and sample code not working
Reviewed in the United States on October 6, 2022
Used the link to download the library and all files. The examples came back with 1kb file length and empty sketches. When including the library and defining an ultrasonic sensor, the ranging() method returns a constant value. If you lookup sample code for an ultrasonic sensor, bypass the library and use digital writes to pulse the trigger pin and then use pulseIn to read the Echo pin, the sensor works great. Leaving seller feedback to look at the files provided.
Amazon Customer
5.0 out of 5 stars Good for hobby and experimentation
Reviewed in the United States on May 27, 2019
These are very economical for hobby and experimentation. There is a slight difference between the five units in the close range readings and sensitivity when the devices are used for measuring distance. Otherwise good value for non-critical applications.
David A.
5.0 out of 5 stars Does what you need
Reviewed in the United States on December 3, 2021
I used this for a hobby raceway for object detection. They work perfectly. Great value and it comes with enough extras for future projects. I am happy
Alex
5.0 out of 5 stars Impressed
Reviewed in the United States on March 15, 2022
Using this for an application where accuracy isn’t crucial but still important. With my code I was able to get accuracy to the inch. I’m sure I could make adjustments to make it even more accurate but that’s better than I expected
Amazon Customer
5.0 out of 5 stars Shove the sensor into a breadboard!
Reviewed in the United States on May 24, 2018
It worked best with a breadboard, when I used the female to male jumper cables that came with the kit, it would not work. If you have this issue just shove the sensor into a small breadboard and you should be golden. Good buy. Purchased for intro electrical engineering lab. Worked wonders.

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