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The SRF10 is a the smallest dual transducer ultrasonic ranger. It has a range of 6cm to 6m and you can connect up to 16 sensors over a I2C interface. Low power consumption, fully timed echo, variable analog gain and a range of 6cm to 6m.
It really is small. Here is the SRF10 next to a SRF08...
Communication with the SRF10 is via the I2C bus making it compatible with a wide range of microcontrollers. The address can be changed to allow up to 16 SRF10 sensors to be connected.
The power consumption of the SRF10 is a low 15mA Typ. and 3mA in the automatic standby mode the senser drops into between readings.
A fully timed echo frees the host controller of the job
Be sure to check out the detailed technical description by the manufacturer, including the 'Do not connect' pin.
Here's the beam pattern...
To make the SRF10 so small Deventech even left out making holes. Here are some ways to mount the sensor.
|uS, mm or inches|
|Current||15mA Typ. Standby 3mA|
|Analog Gain||Variable 40-700 in 16 steps|
|Timing||Fully timed echo. Single reading.|
|Dimensions||32mm x 15mm x 10mm (Height)|