Description:
Onboard STM8S103 high-performance microprocessor with digital display.
Data is also transmitted through the serial port, effective measurement of distance is 3cm-400cm.
Display unit: cm, maximum error: 1%, operating voltage: 5V.
Measurement distance can be displayed through the digital tube and serial port.
Digital tube display: Insert the ultrasonic module directly, access 5V power supply.

Specification:
Display unit: 3-400cm.
Maximum error: 1%.
Operating voltage: 5V.
Size: 24.2 * 35.1mm.

Features:
* Working Voltage : 5V(DC)
* Static current: Less than 2mA.
* Output signal: Electric frequency signal, high level 5V, low level 0V.
* Sensor angle: Not more than 15 degrees.
* Detection distance: 2cm-450cm.
* High precision: Up to 0.3cm
* Input trigger signal: 10us TTL impulse
* Echo signal : output TTL PWL signal

Mode of connection:
1.VCC
2.trig(T)
3.echo(R)
4.GND

Specifications:
Color: Blue & Silver
Item size: 44*20*15mm

Package Included:
HC-SR04 Ultrasonic Sensor + Ranging Module Test Board Serial Output Digital LED
Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.