Project 38 – Simple Ultrasonic Rangefinder
The LV-MaxSonar ultrasonic range finder comes in EZ1, EZ2, EZ3, and EZ4 models. All have the same range, but they come in progressively narrower beam angles to allow you to match your sensor to your particular application. I used an EZ3 in the creation of this chapter, but you can choose any model.
Parts Required
LV-MaxSonar EZ3* 
100µF Electrolytic Capacitor 
100 ohm Resistor 
*or any from the LV range (image ...
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