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

Rod StewartOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

Zachariah, to answer your other question the regulated output on pin 3 of the 7805 should not vary from 5vdc, regardless of the input to the board being 8vac, 12vac or even 18vac.

As Stan said, confirm the orientation of your 7805 matches the pic of 3/11.

Rod

4/28/2212:46 PM

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