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Maker Advisor

Best Tools and Gear for Makers

Ultrasonic Sensor (HC-SR04)

eBay - 1pcs HC-SR04 Ultrasonic Sensor Module
eBay - 1pcs HC-SR04 Ultrasonic Sensor Module
eBay - 1pcs HC-SR04 Ultrasonic Sensor Module
$1.00
in stock
BUY NOW
eBay
Banggood - 1pcs HC-SR04 Ultrasonic Sensor Module
Banggood - 1pcs HC-SR04 Ultrasonic Sensor Module
Banggood - 1pcs HC-SR04 Ultrasonic Sensor Module
$3.93
$8.85
BUY NOW
Banggood.com
Amazon.de - 1pcs HC-SR04 Ultrasonic Sensor Module
Amazon.de - 1pcs HC-SR04 Ultrasonic Sensor Module
Amazon.de - 1pcs HC-SR04 Ultrasonic Sensor Module
€5.29
in stock
2 new from €5.29
as of January 27, 2025 12:00 pm
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Amazon.de
Amazon.es - 5pcs HC-SR04 Ultrasonic Sensor Module
Amazon.es - 5pcs HC-SR04 Ultrasonic Sensor Module
Amazon.es - 5pcs HC-SR04 Ultrasonic Sensor Module
€10.19
€11.99
in stock
1 used from €9.49
as of January 27, 2025 12:00 pm
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Amazon.es
Amazon.co.uk - 5pcs HC-SR04 Ultrasonic Sensor Module
Amazon.co.uk - 5pcs HC-SR04 Ultrasonic Sensor Module
Amazon.co.uk - 5pcs HC-SR04 Ultrasonic Sensor Module
£9.99
in stock
2 used from £7.99
as of January 27, 2025 12:00 pm
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Amazon.co.uk
Amazon.com - 5pcs HC-SR04 Ultrasonic Sensor Module
Amazon.com - 5pcs HC-SR04 Ultrasonic Sensor Module
Amazon.com - 5pcs HC-SR04 Ultrasonic Sensor Module
out of stock
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Amazon.com
Aliexpress - 1pcs HC-SR04 Ultrasonic Sensor Module
Aliexpress - 1pcs HC-SR04 Ultrasonic Sensor Module
Aliexpress - 1pcs HC-SR04 Ultrasonic Sensor Module
$1.32
$1.36
out of stock
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Aliexpress

The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package.

You might like reading our HC-SR04 Ultrasonic guides:

  • ESP32 NodeMCU with HC-SR04 Ultrasonic Sensor with Arduino IDE
  • ESP8266 NodeMCU with HC-SR04 Ultrasonic Sensor with Arduino IDE
  • Complete Guide for Ultrasonic Sensor HC-SR04 with Arduino
  • MicroPython: HC-SR04 Ultrasonic Sensor with ESP32 and ESP8266

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Affiliate Disclosure

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. We also participate in programs from Banggood, eBay, Aliexpress, ShareASale, and other sites. Maker Advisor is compensated for referring traffic and business to these companies (read more).