Output value scale display of electronic potentiometer module

Abstract

The invention relates to an output value scale display of an electronic potentiometer module, which adopts an LED or LCD to form a punctiform display device so that a common electronic potentiometer module becomes an electronic potentiometer with scale display. The scale display directly represents the output resistance of the electronic potentiometer in 100 equally divided parts with small points for ten digits in the unit and large points for ten digits in the decade so as to clearly and accurately reflect the percentage position where the output resistance of the electronic potentiometer is arranged. The scale display has two display methods which are a point display method and a strip display method. The invention can be integrated with the common electronic potentiometer module in the following forming modes: (1) using discrete components and small-scale integrated circuits; (2) using singlechips, such as AT89C2051 and the like, as a core; and (3) integrating function devices capable of integrating.

Description

Technical field [0001] The present invention combines the electronic display device and the universal electronic potentiometer module to make it an electronic potentiometer with scale display. As a complete new electronic device, it can be directly used in various electronic fields, replacing traditional mechanical scale potentiometers, mechanical Various mechanical devices such as straight slide potentiometers. Background technique [0002] Mechanical potentiometers have been used for nearly a hundred years. Mechanical potentiometers have many disadvantages such as mechanical wear, fear of vibration, low precision, and frequent actions are easy to damage. DIP switches and resistor networks can also form potentiometers, but there are mechanical breakpoints. It cannot be used in many cases where there is a continuous requirement for the change of resistance. In many applications, in order to know exactly the position of the mechanical potentiometer arm, there are mechanical ...

AI Technical Summary

Problems solved by technology

[0002] Mechanical potentiometers have been used for nearly a hundred years. Mechanical potentiometers have many disadvantages such as mechanical wear, fear of vibration, low precision, and frequent actions are easy to damage. DIP switches and resistor networks can also form potentiometers, but there are mechanical breakpoints. It cannot be used in many cases where there is a continuous requirement for the change of resistance

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