3PCS HC-SR04 Ultrasonic Module Ultrasonic Sensor Distance Measuring Module for Arduino UNO /ROBOT CAR

This pack of three HC-SR04 ultrasonic distance sensors is an essential addition to any maker's toolkit, perfect for students, educators, and hobbyists building mobile robots or range finders. Operating on a standard 5V DC supply, these modules provide reliable, non-contact distance measurements, making them highly compatible with Arduino UNO and other microcontroller platforms.

Triple-pack for multi-directional sensing

This kit includes three HC-SR04 ultrasonic modules, allowing you to equip your mobile robot or smart vehicle with multi-directional obstacle detection. These sensors are widely used in robotics due to their rapid response, simple calculations, and ease of integration for real-time control.

Precise non-contact distance measurement

Each module provides a non-contact sensing range from 2cm up to 450cm with a high ranging accuracy of up to 3mm. This makes them highly dependable for precise positioning instruments and obstacle avoidance systems.

Integrated transmitter and receiver control

The compact module combines an ultrasonic transmitter, a receiver, and the necessary control circuitry on a single board. It operates by sending a 10us TTL impulse trigger signal and receiving an echo output TTL PWL signal.

Low-power 5V DC operation

Designed to run on a standard 5V DC working voltage, these sensors draw a low static current of less than 2mA during operation. The output signal features a high level of 5V and a low level of 0V for straightforward interfacing.

Narrow beam angle for accuracy

With a sensor detection angle of no more than 15 degrees, the ultrasonic signal maintains strong directivity. This narrow beam width helps prevent false readings from peripheral objects, ensuring cleaner distance data.