- Category:
- SCM
- Tags:
-
[ASM]
[源码]
- File Size:
- 138.34kb
- Update:
- 2008-10-13
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- Uploaded by:
- guyufeng
Description: Receive timely and accurate temperature information and its timely control, in many occasions in the industry are all important aspects. Therefore, this article has designed a single-chip microcomputer 89C51 as the core temperature control system. Algorithm is derived through the ratio of the volume control, and then to the form of pulse width modulation wave output to power devices. And in order to guarantee stable operation of the system in hardware and software have been taken corresponding measures. The main feature of this design: 1, using the AD674 12-bit AD conversion method of collecting the water temperature, making acquisition greatly increased the scope and accuracy 2, the use of liquid crystal display, makes the optimization show that at the same time, reducing the power consumption of circuits 3, proportional algorithm, reduces the temperature overshoot.
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