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Recent content by abilashjoseph

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    [SOLVED] ST7565P COG LCD setPixel not working

    hi all, Thanks for the support, its working with circles,rectangles and lines. regards abilash
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    [SOLVED] ST7565P COG LCD setPixel not working

    hi all, Thanks for the replay. I can display the images and characters using pages. its working. my requirement is to write a function to draw lines, rectangles, circles in the display. The code for LCD initialization is given below void init_lcd() { SPI1_send_cmd(0xA0)...
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    [SOLVED] ST7565P COG LCD setPixel not working

    hi, I have a COG LCD with part number ''NHD-C12864A1Z-FSB-FBW-HTT" and SPI interface with driver ST7565P. I displayed images and characters by page control. My problem is i cant set single pixel in the display. that is first i set one pixel in (x,y) position after that i tried to set in...
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    [moved] 5X7 dual color LED matrix single module

    hi, am planing to develop a 5x7 dual color matrix led display. am using a single module and am used this for a status indication not for scrolling. my requirements are, condition 1: all green led on condition 2: all red led on condition 3: all red and green led on simultaneously. ie yellow...
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    Software UART for PIC16f877a

    Hi all, This code is work only in PORTA only. in other ports not working. what is the problem? i want the reception in PIN RC5. please give a past response. Regards Abilash Joseph
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    Software UART for PIC16f877a

    dear all, I downloaded the "16F_soft_UART.zip" files and compiled. its working properly on hardware circuit. with Tx and Rx pins are A1, A2 resptly and also i changed the board rate to 9600 and crystal 20hz no problm. But when i changed the pins to any other pins Tx is ok but no reception. i...
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    Software Uart problem with pic16f877a

    Hi all, i am using pic 16f877a and CCS compiler, i am tried for a software uart. it work properly in Proteus and oshonsoft simulator. but in board transmit section is ok but reception is not working. receive will get only null. like " you entered : [ ]" no character appear there. the...
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    Proteus simulation error with 16x2 LCD.

    Hi, i am loaded a program that working in a PIC16F877A, it work in a real board, but the same is not working Proteus simulation. when i am connecting the variable pin of the POT to the VEE pin of LCD, no signal is getting to that pin. i also connected VEE Pin to ground then no black boxes...
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    32-bit AVR AT32UC3A3256S programing method.

    hi, i need the ISP circuit for 32-bit AVR AT32UC3A3256S, or J-TAG circuit for the same. i mean the connection from controller to the ISP connector or J-tag connector. please help me. thanks.
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    i2c read and write problem in avr atmega8.

    hi, I am using atmega8 to interface i2c(TWI), i am a beginner in I2C. from my knowledge I wrote a code, that is given below. but i don't get any response or status, #include <avr/io.h> #include <avr/interrupt.h> #include <util/twi.h> void twi_init(void) { TWBR = 32...
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    at mega16 timer problem.

    hi Tahmid , i think that is the problem of oshonsoft simulator. it work correctly in Proteus. thanks.
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    at mega16 timer problem.

    hi, thanks to all. yes i am using avr studio for compiling and oshonsoft for simulation. but in the Proteus simulation i get the result.
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    at mega16 timer problem.

    hi, #include <avr/io.h> #include <avr/interrupt.h> these header files are included. and the timer is working with avr studio simulator but not working with oshonsoft simulator. and also the increment in the TCNT0 register is twice ie, 0,2,4,6,......etc. what is the problem .
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    at mega16 timer problem.

    hi, i am try to run the timer0 in the atmega16, but there is no increment on the TCNT0 register, i am using oshonsoft avr simulator. if any other needs in the code? my code is given below int main(void) { sei(); TCCR0= 0x01; TIFR = 0x01; TIMSK = 1<<TOIE0; while(1) { } } thanks in advance..
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    avr external interrupt not working

    hi, i am using the interrupt in avr atmega16, while compiling the code there is no error , but at simulation the interrupt is not working. the code is given below. please help me, thanks. #include <avr/io.h> #include <avr/interrupt.h> volatile int pulses=0; ISR(INT1_vect)...
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