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  1. ante1

    Switching power supply

    vainajala, Looks very nice, please keep us posted! ;D Ante ::)
  2. ante1

    Supa Dupa Basic Timed Latched Relay

    Laet, I suggest that you connect the rely on the other side of the transistor to start with. Ante ::)
  3. ante1

    batteries

    audioguru, shekhar, I don
  4. ante1

    Supa Dupa Basic Timed Latched Relay

    Laet, First, are you sure the coil resistance is 6.7 Ohms? This will be one HOT relay, nearly 30W it seems too much ???. Now that we know the purpose of the relay it
  5. ante1

    batteries

    shekhar, What I mean is the length and the diameter of a cell. Ante ::)
  6. ante1

    0-30 Vdc Stabilized Power Supply

    Kain, Everybody makes mistakes sometimes, don
  7. ante1

    batteries

    shekhar, You don
  8. ante1

    0-30 Vdc Stabilized Power Supply

    audioguru, I
  9. ante1

    0-30 Vdc Stabilized Power Supply

    Kain, With no external divider the 3V battery will show
  10. ante1

    Battery back-up

    Han, This is the easiest way I can think of, but maybe you had something different in mind? Ante ::)
  11. ante1

    0-30 Vdc Stabilized Power Supply

    Kain, Yes it
  12. ante1

    Battery back-up

    HAN, What kind of battery do you have 12V or 6V and what
  13. ante1

    0-30 Vdc Stabilized Power Supply

    Kain, There is one more thing to consider, these meters can usually not be powered from the same supply as you measure on. This is not a big problem, there are several ways to fix this. Ante ::)
  14. ante1

    Battery back-up

    HANIFF, Welcome to the community. I need to know some more details. What is the
  15. ante1

    Supa Dupa Basic Timed Latched Relay

    audioguru, So that
  16. ante1

    0-30 Vdc Stabilized Power Supply

    Kain, Try to find the datasheet from your suppliers panel meters and study it. Most of the LCD & LED panel Volt meters have 199,9 mV, 1,999 V, 19,99 V, 199,9 V ranges. On the 199,9 mV range just shunt with a 0.01 Ohm resistor and your meter will show 0
  17. ante1

    Supa Dupa Basic Timed Latched Relay

    Audioguru, What makes you think that a diode will slowdown the relay? And the cap is not supposed to be on the contacts but on the coil. Ante ::)
  18. ante1

    0-30 Vdc Stabilized Power Supply

    Kain, You can use a V meter as an A meter you just need a shunt. Ante ::)
  19. ante1

    Supa Dupa Basic Timed Latched Relay

    Laet, audioguru, In fact there is a way without semiconductors involved! My first question was to establish if a cap over coil solution was right for this. If there is high current it will arc when the contacts open slowly as they do when the cap discharges. Maybe not to the eye but slow enough...
  20. ante1

    Supa Dupa Basic Timed Latched Relay

    Laet, Welcome to this community. How much load are we talking about on the relay contacts? Ante ::)
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