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Ultrasonic Ranging Sensor HYSRF04

 The SRF04 sonar range finder is a single-transducer ranging module with a 2-pin serial interface. With a range from 3cm to 3m (or 1.2" to 9.8ft), it’s ideal for situations that require accurate ranging information. This ultrasonic rangefinder uses a short blanking interval (100 microseconds) to cut down on noise from the initial ping. It’s also designed to use low amounts of power.

There are a couple of requirements for the input trigger and output pulse generated by the ranger. The input line should be held low (logic 0) and then brought high for a minimum of 10 microseconds. The pulse is generated on the falling edge of the input trigger. The ranger's receive circuitry is held in a short blanking interval of 100 microseconds to avoid noise from the initial ping and then it is enabled to listen for the echo. The echo line is low until the receive circuitry is enabled. Once the receive circuitry is enabled, the falling edge of the echo line signals either an echo detection or the timeout (if no object echo is detected).

 

Specifications:

 

  • Voltage: 5V
  • Current: 30 mA Typ. 50mA Max.
  • Sound Frequency: 40kHz
  • Detection distance: 2cm-450cm
  • Echo Pin Output: 0-Vcc
  • Max Range: 3 m
  • Min Range: 3 cm
  • Sensitivity: Detect 3 cm diameter broom handle at > 2 m
  • Input Trigger: 10 uS Min. TTL level pulse
  • Echo Pulse: Positive TTL level signal, width proportional to range.
  • Dimension: (1.7 in x .8 in x .7 in height) 43 mm x 20 mm x 17 mm height

 

Frequently asked Questions

Q1: How far in advance can an ultrasonic sensor detect something?

They DO NOT track down moving things in a three-dimensional environment. They only measure up to roughly 70 feet in length (21 meters). They DON'T measure with a lot of repetitions. The quickest rate is 200 Hz at a maximum distance of around 24 inches due to speed of sound limits.

Q2: What elements have an impact on ultrasonic sensors?

The biggest factor affecting an ultrasonic sensor's ability to measure accurately is air temperature. The speed of an ultrasonic sensor's pulse or sound waves is impacted by temperature variations. The speed of sound waves to and from the target increases with temperature.

Q3: How can I improve the accuracy of my ultrasonic sensor?

The temperature of the surrounding air affects how accurate an ultrasonic sensor is. Therefore, if accuracy is required, you must use the idea that sound travels through the air at various rates depending on temperature.

Q4: Can we alter the ultrasonic sensor's range?

An ultrasonic range sensor is a straightforward and well-known sensor, but it can still be improved to function even better.

Q5: What are the benefits and drawbacks of using ultrasound testing?

Benefits of Ultrasonic Testing Methods

  • Portability
  • Consistent
  • Detects flaws on the surface and below
  • Just a little access is required
  • Instant outcomes

Ultrasonic testing techniques have drawbacks

  • Training is more thorough than alternative approaches.
  • more costly than alternative approaches
  • Use is challenging with thin materials
  • Part geometry can be problematic.
  • To link a transducer, a somewhat flat surface is required.
  • For equipment setup, it is necessary to know the part's velocity and have a reference to calibrate against.

 

Technical Details

 

Ultrasonic Ranging Sensor HYSRF04

Ultrasonic Ranging Sensor HYSRF04

22 in stock

Product Code

2131

₱ 69.00
₱ 69.00
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