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Recent content by blueshift

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    pwm design on pic16f877a using ccs c

    There are example programs available for the same when you install CCS compiler. Please check the folder where you installed the PIC C compiler. Their Help manual explains about what each example program file does. Good day. Regards, blueshift
  2. B

    Different UV tube current

    ^ Its a UV ballast circuit.
  3. B

    Different UV tube current

    Hi all, I have one choke circuit for a UV tube of 8W. A UV tube is connected by connecting the 2 ends(of the total 4) to a capacitor and the remaining ends to the circuit. Now when I measure the current through the UV tube across one end(multimeter connecter in series across that end point and...
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    Questions about 8051 and IR LEDs in a black line follower robot

    Re: 8051 and IR LEDs Please someone reply.
  5. B

    Questions about 8051 and IR LEDs in a black line follower robot

    I am making a black line follower robor usibg Atmel 89c1 chip and programmed using C under KeilC development s/w. I have the following doubts in it: 1. Why do we use pull-up resistor at port 0 of 8051? 2. We are using 3 pairs or IR Tx and Rx diodes. Are these operated in forward bias or...

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