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

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

@stan2004 , I notice that there are two different pinout diagrams in the data sheet for the HK4100F, and they don't have any identification as to which matches what part number. Which one of these is the "right" pinout? Truthfully, I can't imagine why they needed two totally different base pinouts for the same specification part...

I'm "assuming" that the first one is the HK4100F and the second one is the HK4101F, but since there is no labeling of any kind on the two sets of base diagrams, I'm not 100% sure that assumption is correct.

This is the datasheet for the relay that I have: HK4100F-HUIKE.pdf

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1/25/2211:11 AM

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