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Recent content by blush

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    problem with comparator 7485

    i have a problem with comparator it does not work well the output is not stable i have only 2 inputs a0 and b0.. how to make the output stable?
  2. B

    problem in 74ls192 count up

    thnx to u mister_rf ur comment helps me a lot i solve this problem
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    problem in 74ls192 count up

    the logic switch there represents a sensor.. what should i do with the transistor connection? ---------- Post added at 17:05 ---------- Previous post was at 17:02 ---------- i am making a conveyor using logic gates only.. the led represents the motor and it is a conveyor that is controlled by...
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    problem in 74ls192 count up

    this is my design ---------- Post added at 04:22 ---------- Previous post was at 04:19 ---------- this is my design
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    problem in 74ls192 count up

    help!! my problem is the 74ls 192 does not count up i try it in proteus and it works but when i implemented it in breadboard it doesn't work ---------- Post added at 11:25 ---------- Previous post was at 11:24 ---------- and the display is not stable also
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    multiplexing 7 segment via serial port from pc to pic877a

    can you give me a code for displaying the number into the 7segment?
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    multiplexing 7 segment via serial port from pc to pic877a

    need help.. i want to display 4 digit number to a multiplex 4 digit 7 segment wherein the data is came from the pc via serial port to the pic then pic to 7 segment.. my problem is how to display the data? and how to program it. i use max3245 to convert the voltage output of the pc to the pic
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    need help transmitting data from pc to microcontroller without using max232 driver

    need help.. i want to transmit data from pc to a microcontroller chip pic16f877a without using max232.. is it possible? how do i connect the rs232 from the pic?

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