ABSTRACT This control circuit is 8051 single-chip processor core. The entire system hardware parts including temperature sampling circuit, ZiJiShi A/D converter circuit, drive circuit, buttons, sequential circuits, and 8 section decoder, LED digital display. In coordination with assembly language program that software, air conditioning temperature of the basic function of intelligent transformation. This control circuit cost, function and practical, simple operation, and has certain practical value.
From three aspects, firstly is the description of the hardware circuit, Then the software design, Finally realizing function.
KEY WORDS The 8051 microcontroller, temperature control, LED digital display