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Recent content by catur_3414

  1. C

    Metal dehide lamp ballast

    Hi. everyone. please help me. I need schematic diagram of FlexArc 270DC metal dehide lamp ballast (warner power). Thank you......
  2. C

    how to protect overvoltage or current in computer hard disk

    a simple comparator using lm339 ?
  3. C

    Service Manual for Printer Epson C45/46 and R210/230

    epson c45 manual try this link. https://tije.wordpress.com/about/ or may be using ssc servis utility software can resolve your problem
  4. C

    capacitor value to measure rise time and fall time

    capacitor rise time calculation try this method. t= k. R.c t = time k = constant R = Resistence c = capasitance Im not sure with the value of k (may be 0,6) 93_1201065577.jpg][/url]
  5. C

    varistor + ceramic capacitor problem

    ceramic capacitor burn out thank u FvM. The 220 V ac input is an output of an ac voltage stabilizer, do you still think that this is an over voltage?
  6. C

    varistor + ceramic capacitor problem

    ac varistor Hi everyone, I have a problem with a power supply, the varistor and ceramic capacitor is oftenly burnout. I have replace it with the same type its working normally, but not in along time (2 - 3 days), then its burned again. can everybody tell me the cause of capacitor and...
  7. C

    Help me with building a simple capacitance meter

    c meter thanx vvv i ll try this design.
  8. C

    can i use TRIAC and DIAC to switching 220v 1 phase ac motor

    diac relay use an inverter or schmithtrigger.
  9. C

    Help me with building a simple capacitance meter

    c meter thnak u vvv, digital
  10. C

    can i use TRIAC and DIAC to switching 220v 1 phase ac motor

    motor ac triac use the ssr circuit ssr (solid state relay) is an electronic relay
  11. C

    Help me with building a simple capacitance meter

    c meter to vvv 1p to 1000mikro F both of polar and non polar. vvv can u help me? thanx to vmsguy can you show me the link? thnk u
  12. C

    Help me with building a simple capacitance meter

    c meter thank u vvv, but i need an analog one which the output is a voltage so i can read it with standard voltmeter. can u help me?
  13. C

    How to change a 24 hour timer to 6 hours

    Re: 24 hour timer im not sure, but try this conect R 4,7k to pin 1 to reset the IC every 6 h remove Diode (d1)
  14. C

    Ring Oscillator with Delay

    try this circuit. adjust the delay with replace the R (50k) and C
  15. C

    can i use TRIAC and DIAC to switching 220v 1 phase ac motor

    triac diac circuit use the ssr circuit
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