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

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

OK, I hated to sacrifice the 10A relay, so I shuffled the parts and got it all to fit in the 1.5" x 2.0" board with the high current relay. I did have to sacrifice the mounting holes, but since the backside has no components, double-sided foam tape works well.

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5/28/229:05 PM

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