485 to send and receive+ DS18B20 call response mode (ATMEL89C2051) Temperature is one of important physical parameters in industrial production, its measurement and control is a very traditional technique.Using digital temperature sensor DS18B20 and AT89C2051 single-chip temperature data collection and storage, through the RS485 bus transmission.Measured by computer for each error compensation amount, according to the error of the regression model of least squares method for parameter estimation.Make the mathematical equations of linear error compensation model, processing of the measured data of temperature compensation, in- 55 ℃ to+ 125 ℃ measurement range and measurement accuracy under 0.2, realize the transmission distance of 500 m, according to the engineering practice gives the key to improve the transmission distance and accuracy of measurement technology.

485收发+DS18B20呼叫应答方式(ATMEL89C2051)
.........................................\STARTUP.A51
.........................................\STARTUP.LST
.........................................\STARTUP.OBJ
.........................................\delay.LST
.........................................\delay.OBJ
.........................................\delay.c
.........................................\delay.h
.........................................\ds18b20.LST
.........................................\ds18b20.OBJ
.........................................\ds18b20.c
.........................................\ds18b20.h
.........................................\uart.LST
.........................................\uart.OBJ
.........................................\uart.c
.........................................\uart.h
.........................................\yiyi
.........................................\yiyi.LST
.........................................\yiyi.M51
.........................................\yiyi.OBJ
.........................................\yiyi.Uv2.bak
.........................................\yiyi.c
.........................................\yiyi.hex
.........................................\yiyi.lnp
.........................................\yiyi.opt.bak
.........................................\yiyi.uvgui.Administrator
.........................................\yiyi.uvopt
.........................................\yiyi.uvproj
.........................................\yiyi_Opt.Bak
.........................................\yiyi_Uv2.Bak

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．