• Interfacing SIM900A with 89S52
    Hi all... I am trying to interface SIM900A with 89S52 to send messages to the mobile phone. Code: #include<reg51.h> unsigned char *command_ATE0 = "ATE0\r"; unsigned char *command_AT = "AT\r"; unsigned...
  • v to f interfacing with 89s52
    hi there i am interfacing the v to f converter AD645 to 89s52 i am going to used this v to f converter as an ADC.but i trapped in some problem the value is not displayed on the display(7 SEGMENT)the...
  • AT 89S52
    i am using AT 89S52 microcontroller and we want to measure average value of a signal with frequency between 10khz-15khz. is there any ADC IC available which will directly give me an average value ?...
  • interface eeprom AT24C32 with 89S52
    HI all, i need a small help from you all.... i am trying to interface AT24C32 eeprom with 89S52. my problem is it works perfectly with proteus stimultion but when i tried to built the circuit it give...
  • Interface Bluetooth HC-05 with 89S52
    Hi.. i am trying to interface bluetooth module HC-05 with my mobile phone and tryng to send some datas on my mobile phone using 89S52. #include<regx51.h> char num[4]={"000"}; void main() { TMOD...