|Material||PCB + electronic components|
|Application||Ultrasonic Sensor Distance Measuring|
|Working Voltage||5 V|
|Working Current||2 mA|
|English Manual / Spec||Yes|
|Packing List||10 * Modules|
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
- Color: Blue + Silver
- Working voltage5V(DC)
- Static current: Less than 2mA.
- Output signal: Electric frequency signal, high level 5V, low
- 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
- Module Working Principle:
- Adopt IO trigger through supplying at least 10us sequence of high
- 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.