SRF10 Ultrasonic Rangefinder
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Pictured above with the much larger SRF08 Rangefinder
to show the difference in size.
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The world's smallest ultrasonic rangefinder for accurately measuring
distances between 3cm and 6m.
Communication with the SRF10 module is via the I2C bus. To the
programmer the SRF10 behaves in the same way as a 24xx series EEPROM,
except that the I2C address is different. The address of the SRF10
can be changed by the user to any of 16 addresses allowing up to
16 rangefinders to be used simultaneously on the same I2C bus.
An I2C interface is available on many popular microcontrollers
such as the
BASIC Stamp BS2P and may be easily implemented on most PIC microcontrollers
using either the PicBasic
or PicBasic Pro compiler.
Examples of using the SRF10 module with a wide range of popular
controllers may be found
here.
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Technical Data
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| Voltage |
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5V |
| Current |
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15mA typical, 3mA standby |
| Frequency |
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40KHz |
| Range |
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3cm-6m |
| Max Analogue Gain |
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Variable from 40 to 700 in 16 steps |
| Connection |
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Standard I2C bus |
| Timing |
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Fully timed echo, freeing host controller
of task |
| Echo |
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Multiple echo - keeps looking after first
echo |
| Units |
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Range reported in us, mm or inches |
| Dimensions |
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32mm x 15mm x 10mm height |
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16x2 Serial LCD
