Wheel Encoder Counter icon Wheel Encoder Counter — Arduino UNO wheel encoder: reads left/right ticks, provides counts, configurable ticks, wheel & pivot sizes, optional pose telemetry to ARC NMS. Try it →

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#1  

Yes... you will use the same port for both trigger and echo..... don't forget to use a 5V regulator with it...

#2  

Thanks Richard, I had a feeling you might have the answer for me. I will be using it with two 4 wire sensors for avoidance, a total of 3 sensors. I assume I program it the same as the 4 wire? Ron