Best Ultrasonic Proximity Sensors of 2025

The ELEGOO HC-SR04 Sensor is an ultrasonic distance measuring device designed for compatibility with Arduino and Raspberry Pi. It features a transmitter and receiver that send and receive 40KHz ultrasonic pulses, allowing you to accurately measure distances from 3cm to 450cm. This means you can easily gauge how far objects are from you, which is helpful in various projects. With a low quiescent current of less than 2mA, it ensures efficient energy use, making it an excellent choice for long-term applications.

The HC-SR04 Distance Sensors are an affordable solution for accurately measuring distances from 2cm to 400cm in your Arduino projects. With effortless connections using included Dupont connectors, you can easily integrate these sensors without the need for soldering. They are versatile, making them ideal for various applications such as robots and obstacle avoidance. You can rely on their dependable performance to ensure precise measurements, enhancing the quality of your projects.

The EPLZON HC-SR04 Sensor is an ultrasonic ranging transducer designed for precision distance measurement. It features a test mode that allows you to trigger high-level signals, making it easy to detect pulse signals. With a detection area ranging from 2cm to 500cm and a high precision of up to 0.12 inches, you can rely on accurate readings for various projects. The module operates on a 5V DC power supply, ensuring low power consumption, which is convenient for battery-operated devices.

The HC-SR04 Ultrasonic Sensor allows you to easily detect obstacles with your chosen microcontroller. Utilising the exclusive Virtuabotix library, it simplifies the setup process, letting you run it with a single IO. You'll benefit from a fully tested and sealed unit, ensuring reliability. Additionally, the sensor operates at a low static current of less than 2mA, making it energy efficient. With high precision up to 0.3cm and a detection range of 2cm to 500cm, this sensor is ideal for various applications.

The Qiter Ultrasonic Sensor is a versatile tool for distance measurement, making it ideal for various applications such as obstacle avoidance and automatic control. Its small size ensures convenience, allowing you to easily integrate it into your projects. With high measurement accuracy, you can trust that your readings will be precise, enhancing the reliability of your work. Additionally, the sensor's strong anti-interference ability means it can perform well in challenging environments, giving you confidence in its stable performance.

The Hailege HC-SR04 Sensor is a versatile ultrasonic distance sensor designed for DIY projects. It emits eight 40 kHz ultrasonic pulses, allowing you to detect objects and measure distances effectively. You can easily calculate the distance based on the duration of the returned pulse signal. With a 5V DC power supply, it ensures efficient operation. The included anti-reverse pin socket enhances wiring convenience, making setup much more straightforward for you.

The DollaTek HC-SR04 Sensor is a versatile ultrasonic module that enables you to instantly detect obstacles using your preferred microcontroller. Operating on a 5V DC power supply, it is designed to be easy to integrate into various projects. This sensor is compatible with Arduino, allowing you to enhance your creations with proximity sensing capabilities. Although it is not an original Arduino product, it serves as a reliable substitute accessory, providing you with a cost-effective solution for your distance measuring needs.

The Oumefar Ultrasonic Sensor is designed for versatility and precision in challenging environments. Its strong adaptability ensures reliable performance even in wet and harsh conditions, making it ideal for various applications. With high measuring precision and robust anti-interference capabilities, you can confidently operate this device without worrying about inaccuracies. Furthermore, its low power consumption means you can save energy while enjoying stable performance, which is beneficial for long-term use. This compact sensor provides accurate distance measurements, enhancing its usability across multiple tasks.

The ANGEEK Ultrasonic Sensor offers a compact design that makes it easy to use in various applications. Its low voltage and low power consumption ensure efficiency, allowing you to save on energy costs. With high measurement accuracy, you can rely on it for precise distance readings, which is beneficial for parking and other proximity sensing tasks. Additionally, its strong anti-interference capability ensures consistent performance even in challenging environments, giving you peace of mind when relying on this sensor.

The HALJIA HC-SR04 Sensor is an ultrasonic distance measuring module that offers a precise method for measuring distances. By using an IO trigger for at least a 10µs high-level signal, it allows you to easily initiate distance measurements. The module automatically sends out an 8 pro 40 kHz square wave, testing for any returning signals. This feature ensures that you can accurately gauge the distance based on the time it takes for the ultrasonic waves to return. With a working voltage of just 5V, this sensor is both efficient and user-friendly.