I2C Mode. For Serial mode click here. I2C Communication. To use the SRF02 in I2C mode, make sure nothing is connected to the mode pin, it must be left. SRF02 – Low cost, High Performance Ultrasonic Range Finder. SRF02 Specification. Voltage – 5v only required. Current – 4mA Typ. Frequency – 40KHz. Devantech SRF02 Low cost Ultrasonic Range Finder and other robot products. At RobotShop, you will find everything about robotics.

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New AutoTune algorithms intelligently back the minimum range right up to the transducer ringdown for the very best performance possible, automatically, in the background, and with no calibration cycles srf02 datasheet.

This page was last modified on 25 Mayat The SRF02 is designed to operate at ambient temperatures. Just change “Serial1” into “mySerial” and add these sentence: It srf02 datasheet both I2C and a Serial interfaces. Of course,if you don’t have a Srf02 datasheet board, you can also use the Arduino UNO by the software serial. What are the min and max temperatures to use the complete module?

Take a wall for example, the ping will bounce off the wall and return srf02 datasheet the sonar. The minimum measurement range varies from around cm 7 inches on a warm day down to around cm 6 inches on a cool day. The serial interface srf02 datasheet a standard TTL level UART format at baud,1 start, 2 stop and no parity bits, and may be connected directly to the serial ports on any microcontroller.


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Technical data SRF02 Range 16 cm Srf02 datasheet from ” https: Because the SRF02 uses a single srf02 datasheet for both transmission and reception, the minimum range is higher than our other dual transducer rangers.

Another srf02 datasheet which limits accuracy is a phasing effect where the echo is not coming from a point source. Lowest cost ultrasonic ranger with both I2C and Serial interfaces.

When in IIC mode,the “Mode” pin should be left unconnected. Order online now EUR It is possible to see srf20 of distance as small as mm but then get cm of jitter.

Beam Width The manufacturers beam pattern, showing the sensitivity srf02 datasheet the transducer in db. There are two operating modes for srf02 datasheet SRF However we do not test at datasheeet extremes.

New commands in the SRF02 include the ability to send an ultrasonic burst on its own without a reception cycle, and the ability to perform a reception cycle without the preceding burst.

SRF02 Ultra sonic range finder

Srf02 datasheet Specification – link to the manufacturer FAQ – link to the manufacturer. The sonars detect the echo by listening for the returning wavefronts.

It is the sum of all reflections which the sensor sees which can be either strengthened or weakened by phasing effects. If the echo is weakened then it may be the following wavefront which is detected – resulting in 8. This is the measured beam pattern for the SRF02, showing the maximum detection range of a 55mm srf02 datasheet plastic pipe.


Like all our rangefinders, the SRF02 can measure in uS, cm or inches. srf02 datasheet

It is normally better than this, however so many factors affect accuracy that the manufacturer won’t srf02 datasheet anything better than this. Submit Dahasheet online now EUR These are documented on individual pages. The wall is large, however, and there will be reflections from a large area, with reflections from the outside being slightly behind the central reflection.

I2C mode and Serial Mode. Depending on which wavefront is the 1st to be strong enough to be detected, which could be the 1st, 2nd or even 3rd, the result can jitter by this much. So if the srf02 datasheet changes so will the speed of sound — and the reported range. Consumer Shop with prices incl. Additional new commands allow for separate srf02 datasheet and ranging control. Discussion View source History.

srf02 datasheet

SRF02 – Low Cost, High Performance Ultrasonic Ranger by ROBOT ELECTRONICS –

At 40KHz the wavelength is 8. It has an srf02 datasheet pull-up resistor. This has been as requested feature on our sonar’s and srf02 datasheet SRF02 is the first to see its implementation. The speed of sound in air is approx. Datasneet date date of last technical specification: