How is ZigBee or Wi-Fi used in home automation applications?
What will be an ideal response?
Home automation systems use ZigBee or Wi-Fi to enable remote control of light switches, wall sockets, as well as environmental controls such as the Nest system. Lighting and alarm controls can help keep the home secure by turning lights on and off at preset times to make the home look "lived-in." Door locks connected via ZigBee or Wi-Fi networks can be opened, locked, and monitored from anywhere via the cellular network.
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Severe service includes ________.
A) Driving in temperatures below freezing B) A combination of city and highway driving C) Extensive highway driving D) Commercial use, such as police or taxi use
Cultured dairy products require the action of certain types of bacteria. What
ingredient in the butter recipe provided the bacteria? (Hint: You might read the labels of the ingredients.)
What will be an ideal response?What is heat? Why does heat fl ow happen?
What will be an ideal response?
The compressor motor and condenser fan motor are wired in ____.
A. parallel B. series C. parallel/series D. with minimum wire length