Weather Station - StarDot Technologies NetCam SC User Manual

Pins 3 and 4 are the relay, which can handle 2A @ 28VDC. It is
good for 100,000 cycles at maximum load, 100 million when unloaded.
The camera can close or open this relay to turn on lights or other external
devices. For example, you could unlock a door after seeing who rang.
The relay is also rated for 0.5A @ 125VAC, however it should
never be used to directly control AC voltages from the wall outlet. It will
wear out rapidly and may result in sparking with risk of fire. Switching
mechanisms designed for controlling wall outlet power, which can be
triggered from a low DC voltage, are available.

3.17 Weather Station

StarDot offers an optional mini weather station (AUX-WX2) that plugs
into the back of NetCam SC. It's a great way to capture and display the
current temperature, humidity and barometric pressure. To view the weather
data, add one or more of the markup tags in your overlay text:
${C}
${F}
${HUM}
${MB}
${HGIN}
${HGMM}
Example: ${F}°F ${HUM}%% ${HGIN} in.
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Degrees in Celsius
Degrees in Fahrenheit
Humidity Percentage
Millibars
Inches of Mercury
Millimeters of Mercury
NetCam SC