This paper designs a temperature control system based on AT89C51 microcontroller and DS18B20. The design uses AT89S52 microcontroller to drive digital temperature sensor DS18B20 to collect, read and process temperature data, and display it through digital tube. At the same time, it can also be connected to PC through RS-232 serial port to transmit data to PC system, so as to facilitate temperature data transmission and statistics. The system can also be expanded to become a multi-point temperature acquisition system, temperature remote monitoring system, etc.
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Design of intelligent temperature control system based on ATmega16 and DS18B20
0 Introduction In industrial and agricultural production and daily life, the measurement and control of temperature are becoming more and more important. Traditional temperature control systems use thermistors or thermocouples to measure temperature. However, since the analog temperature sensor outputs an analog sig
[Microcontroller]
Temperature measurement program based on 16F877A and DS18B20
The following is a temperature measurement program from 0 to 99 degrees. The measurement range and accuracy can be changed by simply changing the data processing program. #INCLUDE P16F877A.INC CBLOCK 20H INPUT_HIGH_8 ;high 8 bit,don't allow other P use it but temperature conversion p INPUT_LOW_8 ;low 8 bit,
[Microcontroller]
Single chip microcomputer DS18B20 temperature measurement and control system
A temperature measurement and control system is developed using a single-chip microcomputer. A 16*2 LCD is used for display. The measured temperature is displayed in real time. The heating output is controlled on and off and simulated using light-emitting diodes. The target temperature and alarm temperature threshold
[Microcontroller]
About DS18B20 series number
There is a 64-bit photolithography ROM in DS18B20. According to the manual, the first 8 bits (28H) are the product type number, the next 48 bits are the serial number of the DS18B20 itself, and the last 8 bits are the cyclic redundancy check code (CRC=X8+X5+X4+1) of the previous 56 bits. The function of the photoli
[Microcontroller]
51 MCU ds18b20 driver
//////////////////////////////////////////////////////head File///////////////////////////////////////////////////////
/*******************************************************************************
* Title: 18b20 Temperature Chip Driver *
* Files: 18b20.h 18b20.c *
* Date: 2010-3-11 *
* Version: 1.12 (test p
[Microcontroller]
Temperature measurement experiment based on DS18B20 of 51 single chip microcomputer
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 degrees, and it is displayed with a 4-digit digital tube.
DPY-1 experimental board connection
Use a flat cable t
[Microcontroller]
Temperature sensor driver based on ARM-LINUX (DS18B20)
The DS18B20 digital temperature sensor is easy to wire and can be used in a variety of occasions after packaging, such as pipeline type, threaded type, magnet adsorption type, stainless steel package type, and various models, including LTM8877, LTM8874, etc. Its appearance is mainly changed according to different appl
[Microcontroller]
51 MCU Introduction - DS18B20 Temperature Sensor
DS18B20——Temperature sensor. The microcontroller can communicate with DS18B20 through 1-Wire and finally read the temperature. The hardware interface of 1-Wire bus is very simple. You only need to connect the data pin of 18B20 to an IO port of the microcontroller to communicate. The temperature storage value with a ma
[Microcontroller]
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