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Recent content by vikas_verma

  1. V

    Measuring ac current with ACS712

    my ACS712 has been shipped and its working well too. it follows ac current and outputs in 0 to 2.5 and 2.5 to 5. the problem is that how to get average output by using hardware only :-(
  2. V

    servo motor pulse width

    50Hz refreshing rate is sufficient and power consumption doesn't depend on refreshing rate,actually motor's motion causes it so!
  3. V

    Circuit works automatically when any light made on/off

    first, your project seems very nice. second, i think you wanted to say that your project's lights go ON/OFF! If it is the case and you have connected steppers to the same power source which is already connected to MCU's supply also, then you should use separate power sources for motors and...
  4. V

    servo motor pulse width

    Yes FvM is right and i would suggest you to do some practical with servo!
  5. V

    servo motor pulse width

    generally a servo works with t1 around 1 to 2 ms. and if T= t1 + t2 then T shuld be around 18 to 20 ms. means a servo requires 50Hz refreshing rate!
  6. V

    Circuit works automatically when any light made on/off

    Uday what is d point of using 4 MCUs,if 1 can do all stuffs. 2-post circuit's schematic. 3-have u placed a cap. right after 7805.
  7. V

    Circuit works automatically when any light made on/off

    what do you mean by working "automatically". it will be better to sort out the problem if you can post your schematic and code!
  8. V

    [SOLVED] Problam in PIC adc reference voltage

    Hello everybody! what is meant by +ve and -ve reference voltage in PIC ADC module? :sad:
  9. V

    [SOLVED] RF 433Mhz module with PIC

    :-)wooh! now everything is working properly by separating the power supply. yess! i did it. thanks everyone.
  10. V

    [SOLVED] RF 433Mhz module with PIC

    okay! i'll try this
  11. V

    [SOLVED] RF 433Mhz module with PIC

    Here's the schematic : now the problem is that when i connect servo, PIC starts to reset itself. Power source is the ELNOVA 5amp power supply.
  12. V

    [SOLVED] RF 433Mhz module with PIC

    no schematic yet coz i'm changing the circuit continuously. those simple and cheap ASK 433Mhz Modules. okay now i've sorted out all the problems which i was facing by changing the PIC16F628A to PIC 16F877A. Now the prob is that when i connect the servo to the PIC, it starts to reset even...
  13. V

    [SOLVED] RF 433Mhz module with PIC

    sir my circuit is on breadboard and not connected to any motor now. all the ckt connections are okay. all the problem is in s/w section that is i don't know what should be the time interval between a frame(bytes packet) of data in transmission.:cry: actually i wanna know about the transmission...
  14. V

    [SOLVED] RF 433Mhz module with PIC

    1. I'm using voltage regulator and battery as a power source so there is no point of powering problem and RF receiver output is connected directly to the PIC usart i/p pin. 2. yes, i'm testing the flag before writing to the TXREG register and using interrupt at receiver side. Data sending...
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    [SOLVED] RF 433Mhz module with PIC

    hello everyone! i'm working on my final year project that is a remote control car like a toy car but the difference is that i'm moving its front wheel like real one and it's speed too. The problem i'm facing is in communication.i'm using simple 433Mhz rf modules, PIC16f877A in transmitter and...
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