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      IoT/SensorNode.adoc

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IoT/SensorNode.adoc

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== Sensor node
A **sensor node**, also known as a **mote**, is a node in a sensor network that is capable of performing some processing, gathering sensory information and communicating with other connected nodes in the network.
[NOTE]
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The main components of a sensor node are a **microcontroller**, **transceiver/Communication Module**, **memory**, **power source** and one or more **sensors.**
== Sensor node using IMU sensors
== Sensor node example using IMU sensors
A basic IMU (Intertial Measurement Unit) generally provides raw sensor data, whereas an AHRS takes this data one step further, converting it into heading or direction in degrees, converting the raw altitude data into standard units like feet or meters, etc.
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[NOTE]
====
An attitude and heading reference system (AHRS) consists of sensors on three axes that provide attitude information for aircraft, including roll, pitch and yaw. These are sometimes referred to as MARG (Magnetic, Angular Rate, and Gravity) sensors and consist of either solid-state or microelectromechanical systems (MEMS) gyroscopes, accelerometers and magnetometers. They are designed to replace traditional mechanical gyroscopic flight instruments.
====
[More Info]https://en.wikipedia.org/wiki/Attitude_and_heading_reference_system[^]
====
[[cheat-Articles]]
=== IMU
image:./sensors_1604_LRG.jpg[alt="Adafruit 10-DOF IMU Breakout"]

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