Does anyone know if this will work with apm2.8 flight controller?

Apm 2.8 is arduino compatible you should have no problems.

Does this work with a micro:bit?

Yes but you will need a separate power supply to power to sensor. Needs 5v but 4.5v should work.

is the sensor waterproof??

Hi Georgina, Thank you for your question. Sorry but those sensors are not waterproof. We hope this helps. If you need more information, please feel free to let us know. Have a nice day! Kind regards, ELEGOOEU

I am looking to sense a movement of 1mm - is this switch that accurate?

We could not achieve that accuracy, but it is very dependent on surfaces and surface angles. We were trying to measure distances to people.

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Description

📡 Elevate your DIY projects with precision sensing that keeps you ahead of the curve!

ENERGY EFFICIENT - Operates on a minimal 5V power supply with ultra-low quiescent current under 2mA
PINPOINT PRECISION - Measure distances from 3cm up to 4.5m with razor-sharp 0.3 cm accuracy
COMPLETE SENSOR KIT - Includes 5 sensors plus 10 female-to-male Dupont cables—everything you need to start building
COMPACT LIGHTWEIGHT - Sleek 3x1.5 cm sensor weighing just 9g fits effortlessly into any project
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino UNO, MEGA R3, and Raspberry Pi for instant prototyping

The ELEGOO HC-SR04 Ultrasonic Sensor Kit delivers high-precision distance measurement from 3cm to 450cm using 40kHz ultrasonic pulses. Designed for low power consumption (<2mA) and compact form factor, it’s fully compatible with Arduino and Raspberry Pi platforms. This 5-piece kit includes all necessary cables, making it the perfect choice for engineers and makers aiming to prototype smart, responsive devices with ease.

Reviews

D**Y

Works perfectly with a raspberry pi using python but you ...

Works perfectly with a raspberry pi using python but you will have to accept the accuracy limitations which in my care is +/- 3cm's. Depending on the application you may also need a couple of resistors to limit the return voltage, plenty of online resources that explain what and how and cost less than 30p from Maplins.

23.08.2017

J**.

Great product

Good value for money, especially if you are a 'Prime' member!

11.03.2022

M**O

Good for specific projects, not for real life obstacles

Using this on my Raspberry Pi 4B robot.I'm getting a LiDAR sensor as this one does not detect some materials at home.

2.03.2022

M**E

Five Stars

Great Value for money, nicely made, so far all three of the units I've wired up have functioned correctly

12.02.2017

M**R

Great little sensor 4 wire connection.

I use these to measure water level. Connected to an Arduino mega. A short 1 line (map) code can convert the distance into a litre measurement. Very handy.

31.01.2022

S**R

5V supply only!

Must be used with 5V, not 3.3V. As long as they get a 5V supply, they worked correctly the first time, with NewPing library on Arduino or New_Ping on Particle Photon. Accurate to about 1cm.

7.12.2017

A**

Product is good

3.03.2019

J**.

Five Stars

Great value and working well in my arduino project to measure height of liquids. 5 stars for value.

1.09.2017

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$129

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Saint Kitts and Nevisstore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Customer service was outstanding when I had questions about the product.

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Manufacturer	ELEGOO
Part number	UK-EL-SM-001
Item Weight	9.07 g
Product Dimensions	2.97 x 1.5 x 3 cm; 9.07 g
Item model number	UK-EL-SM-001
Voltage	5 Volts
Item Package Quantity	5
Batteries included?	No
Batteries Required?	No

ELEGOOUltrasonic Sensor, HC-SR04 Ultrasonic Distance Sensor Kits for Arduino UNO MEGA R3 Raspberry Pi,Datasheet Available to Download

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