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Recent content by hasithgayan

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    [moved] IC prgramming problem

    thanks for the reply yes,when power supply to the logic board chip was getting hot , so i remove it from circuit board and check,then figure out that chip has short circuit pin 4 (Vss) and pin 8 (Vcc). so replace whole board finally..???
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    [moved] IC prgramming problem

    thanks for the reply 25Q128A (above mention of my question) chip has burn on my printer. If i replace this chip with same part number chip from ebay. Does printer work? sorry for asking same question again, most of the details you mention more advance to me, Please reply,
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    [moved] IC prgramming problem

    thanks for the reply. this IC from canon pixma e610 logic board and i cant find schematic. How can I identify SPI master chip on circuit???
  4. H

    [moved] IC prgramming problem

    please help I found 8 pin IC on circuit board which has a part number 25q128a 13e40 and it consider as Serial NOR Flash Memory on datasheet,So can I replace this ic with same part number new ic or does it need to program before soldering n circuit. Datasheet PLEASE tell someone what should...
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    [PIC] solar tracking system using PIC 16f877A

    thank susan; i got codes from this blog http://www.ermicro.com/blog/?p=771 then change for pic 16f877a. // Servo definition and variables #define MAX_VALUE 200 #define CCW_ROTATION MAX_VALUE - 20 #define CW_ROTATION MAX_VALUE - 10 #define STOP_ROTATION MAX_VALUE volatile pulse_max=0; volatile...
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    [PIC] solar tracking system using PIC 16f877A

    thankx mr Aussie, im new for mikroc and i took those codes from blog and change them as my knowledge, my project is drive servo ccw and cw ldr_diff > 50 and ldr<-50 its work ok,but it does not stop between 50 and -50 can you change the code for that process,
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    [PIC] solar tracking system using PIC 16f877A

    hi mr.KlausST thanks for reply. when two ldrs change servo rotate ccw and cw but its not stop when the illumination between 50 and -50 as in the code, there is no error except eeprom errors in proteus.i think there is some error in code.please fixed it sir
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    [PIC] solar tracking system using PIC 16f877A

    i looking for make solar tracking system using pic 16f877a.i wrote code as follow but when it simulate using proteus.it only change rotation direction not stop at given range.please help to slove. // Servo definition and variables #define MAX_VALUE 200 #define CCW_ROTATION MAX_VALUE - 20...
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