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The project will be built in the ultrasonic actuator control. Control can be achieved, for example, Arduino. The actuator can be used, for example, conveyors or dirt.
More help can be found for example here
http://www.ndt.net/article/ultragarsas/58-2006-vol.1_06-l.svilainis.pdf
optional components
Actuators: http://www.alibaba.com/product-gs/474592536/15KHz_200KHz_ultrasonic_transducer.html
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