HC-SR04 ultrasonic distance sensor

This sensor is ideal for making a robot car that needs to keep track of the distance to objects. Or you can make your own parking aid with it. Unlimited possibilities with this ultrasonic distance sensor. Ideal for your Arduino / ESP32 / Wemos or Raspberry Pi project.

View the Wiring diagram and example code >>>

Sensor angle: <15o
Dimensions: 45x20mm
Resolution: 3mm
Detection range: 2-450cm
Voltage: 5V
Current: <2mA

The HC-SR04 ultrasonic distance sensor is a device that uses ultrasonic waves to measure distance. The sensor consists of a transmitter and a receiver connected to a microcontroller, such as an Arduino.

The sensor works by having the transmitter emit an ultrasonic pulse, which is then reflected by objects in the environment. The receiver then detects the reflection and sends the time back to the microcontroller, which can then calculate the distance to the object.

The HC-SR04 ultrasonic distance sensor is suitable for measuring distances up to 3 meters with an accuracy of about 3 mm. The sensor is easy to use with an Arduino microcontroller and is suitable for a wide range of applications, such as making automatic parking systems or detecting obstacles in a certain environment.

The sensor has a small size and low power consumption, making it suitable for projects where space and power management are important. The sensor is also easy to install thanks to the four holes on the back, which make it easy to attach the sensor to a surface.

All in all, the HC-SR04 ultrasonic distance sensor is a practical and versatile sensor that can be an excellent addition to any Arduino project.

Dimensions
Length: 4.55cm
Width: 2.05cm
Height: 1.53cm