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Recent content by vijayjadhav.595

  1. V

    Touch screen caliberation

    Hi.. I have 3.2" touch screen mounted on a ,3.2" TFT display which has a resolution of 320x240. The touchscreen has a touch controller XPT2046/ADS7843 which has a 12 bit adc inside. I have managed to interface it to my pic18f on which i can read the touch co-ordinates which vary from near...
  2. V

    Graphical lcd in 4bit mode...

    128x64 resolution is good enough for me... do tell me even if you have details of one with a higher resolution
  3. V

    Graphical lcd in 4bit mode...

    thanks for the advice... can you suggest a color graphical lcd with an SPI or I2C interface
  4. V

    [SOLVED] Error in LCD DIsPLAY ( proteus)

    which lcd are u working with...character(HD44780) or a graphical lcd... in case of character lcd make sure u are setting it up correctly....
  5. V

    Graphical lcd in 4bit mode...

    Hi... i am using a KS0108 graphical lcd . Can it be used in 4bit mode like the character lcd...
  6. V

    graphic lcd problem...

    Hi, I am working on a project involving a graphical LCD JHD12864E. I have written a library for displaying text as well as graphics using HITECH-C compiler for pic16f; The problem I am facing is that, 1.) The part of the display being controlled by CS1 does not display anything ...
  7. V

    ADC channel monitoring for ATMEGA8

    fine.. you can use a 5V reference along with a 8 bit adc which will give you a resolution of 19.5mV.
  8. V

    ADC channel monitoring for ATMEGA8

    you can use a 5V reference. The resolution of the readings will depend on howmany bit adc you are using.
  9. V

    can i connect 3 sensors to atmel at89s52....?

    specify the type of sensors and the signal levels that they will be working at... in general you can connect 3 or more sensors to your controller....provided you have enough free input pins.
  10. V

    16 channel multilpexer

    Hi... can any one suggest me, a 16 channel digital multiplexer IC (operating Vtg: 5v) that is easily available in the markets... cheers..., Vijay
  11. V

    [SOLVED] resolution in ADC......

    Hi... say u have a 10 bit adc and your reference voltage is 5v. then the minimum change in voltage that u can detect is= 5v/1024 which is 4mV. so with a reference of 5V your resolution is 4mV(you can detect a change only if there is a change of 4mV). if you want to increase the...
  12. V

    [SOLVED] Help with the Arduino code. Controlling a motor using IR Sensor

    #define Motor11 5 #define Motor12 6 #define Motor21 10 #define Motor22 11 #define Sensor 9 int val=0; void setup() { pinMode(Motor11,OUTPUT); pinMode(Motor12,OUTPUT); pinMode(Motor21,OUTPUT); pinMode(Motor22,OUTPUT); /////////pinMode(Sensor,INPUT); //not required to...
  13. V

    Facing Problem Interface LPC2138 to LCD

    hi... have a look at the images that u have posted.. the lcd supply pins are not connected...they appear to be floating moreover even the lcd control pins are floating.... i havent gone through the code....but this is what strikes at first glance connect the lcd supply...
  14. V

    [SOLVED] Help with the Arduino code. Controlling a motor using IR Sensor

    just noticed... you are using analogwrite() to control the motor.... try using digitalWrite()....
  15. V

    [SOLVED] Help with the Arduino code. Controlling a motor using IR Sensor

    Hi.. 1.) since u are only interested in whether there is a high o/p from the sensor or not, there is no need to use the ADC. use it as a normal input pin. 2.) what sort of an o/p are u getting..... cheers, Vijay
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