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Sensor nodes in a wireless sensor network (WSN) measure environmental parameters and transmit the data back to a network gateway where it is aggregated, stored, and processed. … Sensor nodes are usually battery operated and deployed in large numbers in difficult to reach places. How does WSN communicate with Internet?Read More →

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Garage door sensors prevent the garage door from closing if there’s something in the way. Sensors are a critical safety feature but can prevent an automatic garage door from working properly. … You can also disconnect the sensors altogether, but doing this will prevent most garage doors from working. WillRead More →