The CJMCU-103 sensor is a rotation angle sensor used to accurately measure the position of the rotation angle. It relies on an internal magnetic sensor to read the change in the magnetic field resulting from the rotation of the magnet above it and outputs an analog signal that changes according to the rotation angle. It is characterized by high stability and good measurement accuracy and is used in projects that require tracking the angle of movement such as robots, control arms and smart driving. It can be connected directly to microcontrollers such as Arduino through the analog signal port and operates on low voltage, which makes it suitable for small control systems.

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