單片機外文翻譯----at89c51單片機控制的恒溫水域溫控系統(tǒng)-單片機-文庫吧資料
2025-01-27 07:56本頁面
【正文】 functions of the corresponding control. shows the circuit Display circuit using a half the number of table 4 show the temperature head waters of the measurement of temperature and set temperature. 2 Software design Skeleton of the software, contains initialization, configuration subroutine, subroutines to deal with temperature, showing subroutine. Completion of system initialization after poweron reset 8255 and software initialization and preheated water for the water to wait for work, and open the inlet solenoid valve, when the corresponding button press interrupted when AT89C51, read 8255 the status of the population to determine the function keys in order to call the corresponding subroutine. Subroutine pleted one set of the set temperature function. Initialization settings for the , when the choice set and to identify key addition and subtraction operations for each click on the Settings button software settings for the corresponding temperature of the addition and subtraction operation count, and the value storage and display. Subroutine to deal with the role of temperature is the temperature set values and the difference to the SCR trigger circuit heating thermostat control. The use of Pro / E to establish mold standard parts library Family Pro/E is part of the family table (or assembly, or the characteristics of) a collection of these parts (or assembly or characteristics) are broadly similar, but in 12 some small differences, for example, fastening screws Hexagon many kinds of specifications, but they seem to be like and to implement the same function, so in the Pro / E in them as a part family is a very useful table in the family the same as a tabledriven ponents parts to be identified. In Pro / E use group table has the following advantages: 1) simple and pact to create and store a large number of objects. 2) For the generation of standard parts to save a great deal of time and work. 3) parts from a series of documents to generate change, do not have to recreate and generate for each part. 4) In the parts to create tiny changes in the relationship do not have to use to change the model. 4 Table feature allows threedimensional mold standard parts library and standard library mold the development and use of things bee very easy. The following guide to monly used as an example to create a leadchuchu series of standard parts. First, Pro / E in the pletion of the threedimensional modeling guide column, and the need to change the size parameters defined as symbols. To mark the size of symbol table for the family members did not indicate the size of the features of a nonchanging, dependent on the existence of other features. Family Table is essentially constituted
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