Official websites use .gov
A
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government organization in the United States.
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A lock (
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connected to the .gov website. Share sensitive
information only on official, secure websites.
Depictions of the sensor populated with all of the required components highlighted in red, (a) on the top of the printed circuit board, and (b) on the bottom. Note: On the top it is not necessary to populate the three-pin header immediately adjacent to the four-pin header. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
