Reply to "HC-SR04 ultrasonic sensor for outdoor layout block detection"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

Well, it's an optical sensor, very similar in concept to many others. I do notice it actually appears to measures distance as close at 10cm, pretty tricky for light based devices, that's some fast logic! However, the reflective characteristics of the object come into focus as with all other optical solutions.

3/23/228:48 PM

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