• 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...
  • 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...
  • Problem in interfacing ADC0808 wiith 89s52
    I am interfacing 89s52 with ADC0808, I am facing the following problem.... --->All the outputs are 0xff...(i have checked OE and always keep OE hjigh during reading...... I have generated the clock...