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Highlights
- About Ultrasonic Range Sensor module:
- Adopt IO trigger through supplying at least 10us sequence of high level signal
- The module automatically sends 8 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
- Ultrasonic sensor distance measuring module enjoys stable performance, measuring the distance accurately. With high precision, blind spots (3cm) super close, this module provides a full set of ranging process.
- About 4-Digit Display module:
- Can display the measuring distance by the ultrasonic range module
- 8 class adjustable brightness
- Based on a decimal point display module, The module displays 4 digital tube (0.56 inches), only 2 signal lines can make MCU control four Digit 8-segment LED. Can be used to display decimal, letters and so on.
Specification
| General | |
|---|---|
| Type | Ultrasonic Sensor Distance Measuring Module + 4-Digit Display Module |
| 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 |
| 4-Digit Display module |
Operating voltage: 3.3-5.25V ; IO logic voltage: 3.3V or 5V |
| Package Contents | |
| 1 x Ultrasonic Range Sensor module | |
| 1 x 4-Digit Display module | |
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