### Hall Effect Sensor Overview
1. **Functionality**: Detects the presence of a magnetic field and converts it into an electrical signal, allowing for non-contact sensing of magnetic fields.
2. **Types**: Available in various forms, such as digital (on/off) or analog (proportional to magnetic field strength), depending on the application requirements.
3. **Design**: Typically consists of a Hall element and integrated circuitry encapsulated in a small package, suitable for integration into various electronic systems.
### Typical Uses:
– **Position Sensing**: Measures the position of objects, such as in rotary encoders or linear position sensors.
– **Speed Detection**: Used in applications like tachometers to measure the speed of rotating parts, such as wheels or motors.
– **Current Sensing**: Employed in current sensing circuits to measure the flow of current in a conductor without direct contact.
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