Recent content by karthikeid

  1. karthikeid

    atmega8 volt/amp meter

    hi this is the circuit i did, but nothing seems to be working only the backlight is glowing on i have constructed the PDIP version of this which was posted at http://elfly.pl/multimetr/multimetr_en_DIP.htm http://www.electronics-lab.com/projects/test/007/index.html
  2. karthikeid

    0-30V Stabilized Power Supply

    hi fikic u need to smooth down the tracks, cover the track edges of layout properly or else while etching it will be a problem.
  3. karthikeid

    voltage divider doubt

    hi i have posted a circuit wch is a voltade divider in this wat must be the wattage of the resistor?? the load is the 4leds in parallel. tell me the calculation too.
  4. karthikeid

    Free sample chips!

    @gan87 you can try MAXIM and TEXAS INSTRUMENTS it is totally free...order samples in their websites.
  5. karthikeid

    LED driver

    led's are 2v@10ma, i need to drive 50 leds, how do i connect in series or parallel   ???
  6. karthikeid

    LED driver

    hi how to drive led and supply constant current?? circuit for driving 50led's in series/parallel @30mA per led. ???
  7. karthikeid

    how to use the transmitter and reciver modules

    hi how to use these transmitter to transmit audio...here is the link of one type pf transmitter http://robokits.co.in/shop/index.php?main_page=product_info&products_id=75
  8. karthikeid

    Fm transmitter

    i am really confused what to do, i need a stable fm transmitter circuit and it must be smaller in size.... someone pls help ???
  9. karthikeid

    Fm transmitter

    how this circuit works can u explain audioguru  ??? will this be efficient??
  10. karthikeid

    0-30V Stabilized Power Supply

    i have a problem with the current limit indicator it was glowing before but not now what  should i check?
  11. karthikeid

    0-30V Stabilized Power Supply

    for getting TLE2141 go to texas instruments website and free sample it will be mailed in four days....
  12. karthikeid

    Fm transmitter

    what will be range of transmission...will this be a better transmitter ???
  13. karthikeid

    audio amplifiers

    what must be the input current for this amplifier?? 2amps is ok??
  14. karthikeid

    0-30V Stabilized Power Supply

    hi from this circuit can i get a negative power supply or some other circuit is needed??
  15. karthikeid

    audio amplifiers

    sorry here is the circuit will this works fine...
See more
Top