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Recent content by jackrude

  1. J

    [SOLVED] LCD problem for display the second part

    thank you to everyone, I had found the issues, thank you again
  2. J

    [SOLVED] LCD problem for display the second part

    yeh, we also recognized it too, and we had change the temp1 to temp, now is give some value, but the degree is not accuracy, wondering for the calculation, any suggestion, thank you for reply
  3. J

    [SOLVED] 8051 and ADC0804 interface code related Convert ADC Value to display voltage

    Hi, Mr. Papunblg, wondering do you have a complete diagram of this project, such may include LM35, ADC, and LCD. according to the code that you are providing. thank you for you response.
  4. J

    [SOLVED] LCD problem for display the second part

    #include <REGX51.H> #define data P0 #define input P1 #define UPTEMP 45 #define DOWNTEMP 35 #define AL 50 sbit rs=P2^0; sbit rw=P2^1; sbit en=P2^2; sbit adc_read=P3^4; sbit adc_write=P3^3; sbit adc_intr=P3^5; sbit output=P3^7; sbit alam=P3^6; bit loadon=0; void delay(int time) { int i,j...
  5. J

    ADC and LM35 temperature sensor

    hey there, wondering can u email me the code of C language, I am doing a similar project with LM35, At89s51, and ADC0804. Thank you
  6. J

    [SOLVED] LCD problem for display the second part

    the output voltage seems find, and we reconnect the diagram, and measure all the pin to pin voltage, it look find, I am wondering can it be code problem?
  7. J

    [SOLVED] 8051 and ADC0804 interface code related Convert ADC Value to display voltage

    Hello papunblg, I am doing a simliar project with ADC0804 and LM35, but it's data on LCD is not changing, which it's not giving me any degree back, and i had post a thread, plz can you help me out, and I have copy the code above into Keil, and it give me error on #include<lcd.c>, wondering why...
  8. J

    8051 Project | Temperature Control System using LM35

    hello d3ck, I am just wondering is this C code for this project, I am doing a project with sensor LM35, and ADC, but it's not outputting the degree on LCD, and i had post a thread, if you have chance plz take look at it and help me out. thank you
  9. J

    ADC and LM35 temperature sensor

    Hello there, I am doing about similar project in C language with LM35, ADC0804, so wondering can you email me the code or post in here, thank you very much
  10. J

    [SOLVED] LCD problem for display the second part

    hi there, we did measure the output voltage from the LM35 on the output, it keep increase on the voltage from 0.338......
  11. J

    [SOLVED] LCD problem for display the second part

    thank you for help, we had initial the input P1= 0xff, all the message is displaying on the LCD, but the temperature is changing, look like the sensor is detecting any heat source, we had check over and over again of the circuit, but still not working, plz help
  12. J

    Welcome to the Embedded Wireless Networks Group, Please Introduce Yourself...

    Hello everyone, I am Jian Lu from China, I am a senior student in my EE major, nice meeting all of you guys
  13. J

    [SOLVED] LCD problem for display the second part

    I am using AT89s52 as the MCU, and the converter is ADC0804, and LM35 for the sensor
  14. J

    [SOLVED] LCD problem for display the second part

    Hello all, I'm have trouble for displaying the second part of the message on to the LCD, it only display "temp controller, cur temp degree", it's not showing "temp =, deg C", please help me, i dont know it's the code problem or it's the hardware issue, this code is working on my demo board...
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