What is the difference between a potentiometer and an encoder

The potentiometer is an adjustable electronic component. It is composed of a resistor body and a rotating or sliding system.

When a voltage is applied between the two fixed electric shocks of the resistor body, the position of the contact on the resistor body can be changed by rotating or sliding the system, and a corresponding position of the movable contact can be obtained between the movable contact and the fixed contact. A certain relationship of voltage, it is mostly used as a voltage divider. The potentiometer is basically a sliding rheostat. There are several styles, which are generally used for speaker volume switch and laser head power adjustment. Potentiometer is an adjustable electronic component. It is composed of a resistor body and a rotating or sliding system. When a voltage is applied between the two fixed electric shocks of the resistor body, the position of the contact on the resistor body can be changed by rotating or sliding the system, and a corresponding position of the movable contact can be obtained between the movable contact and the fixed contact. Certainly related voltage.

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The role of the potentiometer-adjust the voltage (including DC voltage and signal voltage) and current.

　　 Encoder is a device that compiles and converts signals or data into signal forms that can be used for communication, transmission and storage. Generally used in car DVD, car navigation gps, car audio, multimedia audio, instrumentation, household appliances, smart furniture, medical equipment, toys, machinery and equipment, etc.

　　 The encoder converts angular displacement or linear displacement into electrical signals. The former becomes a code disc and the latter is called a yardstick. Encoders can be divided into contact type and non-contact type according to the read mode. The contact type uses a brush to output. A brush touches the conductive area or the insulating area to indicate whether the status of the code is "1" or "0"; the non-contact type receiving sensitive element is a photosensitive element or a magnetic element, when a photosensitive element is used The light-transmissive area and the opaque area are used to indicate whether the state of the code is "1" or "0", and the collected physical signal is converted into a machine code readable electricity through the binary code of "1" and "0" Signals are used for communication, transmission and storage.