HC-SR04 Ultrasonic Distance Measuring + Display Module for Arduino
- This performance of the ultrasonic sensor distance measuring module is stable, measure the distance accurately. The module is with High precision, blind spots (3cm) super close. This module provides a full set of ranging process.

- Model: HC-SR04;

- Operating voltage: 5V DC;                                       

- Static current: Less than 2mA;

- IO logic voltage: 5V;

- Sensor angle: Not more than 15 degrees;

- Detection distance: 2cm~450cm;

- High precision: Up to 3mm;

- Mode of connection: VCC / trig(T) / echo(R) / GND;

- Adopt IO trigger through supplying at least 10us sequence of high level signal;

- The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal;

- If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving.

 

About 4-Digit Display module:

- The module is based on a decimal point display module, it displays four digital tube (0.56 inches), only two signal lines can make MCU control four Digit 8-segment LED. Can be used to display decimal, letters and so on;

- Can display the measuring distance by the ultrasonic range module;

- 8 class adjustable brightness;

- Operating voltage: 3.3~5.25V;

- IO logic voltage: 3.3V or 5V.