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  1. B

    What's the best way to manage two different components from a single Button Control ?

    I'm guessing you have to select the model you need on the link shown so if the Op already has the device............ DPST switch...keep current separate supplies, common the negatives. Or....Standard STSP switch and 9v to LED and 9V to a dc dc converter set to 4.5 for the sound module. Note:-...
  2. B

    6-V to 5.2V linear regulator

    Your 6v battery could be as much as 7.0v when fully charged and possibly as much as 8v while under charge conditions. How did you intend to deal with that aspect?
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    6-V to 5.2V linear regulator

    And just what is it that demands required specs.?
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    6-V to 5.2V linear regulator

    I'm wondering why the op has such a dislike for a dc dc converter.
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    LDR/BC550 as switch - Darkness threshold.

    Wile E Coyote used to use a couple of pulleys and a piece of rope from Acme.:D:D
  6. B

    6-V to 5.2V linear regulator

    You might be pushing it uphill for that requirement.
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    Is this motor driver controller IC capable of reading position info from potentiometer?

    You cannot get accurate readings no load on any supply. Any device with limited tolerence would have protection circuitry included.
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    Is this motor driver controller IC capable of reading position info from potentiometer?

    What free energy discussion did you obtain that information from...?
  9. B

    Latching switch to momentary switch

    Are you sure about this..??? where did you get that info..?? didn't see that in your link anywhere. I'd sure like to know how it transmits without any power.
  10. B

    Latching switch to momentary switch

    Want to share that bit of a national secret......... ???
  11. B

    Latching switch to momentary switch

    Could be wrong but don't see things working like that at all. For one thing, it doesn't transmit any data, it's simply a transmission signal the receiver recognises and operates a relay.
  12. B

    Latching switch to momentary switch

    Ok....well, it looks like just a standard transmitter and separate receiver on 433mhz..... but this thing you claim about it transmitting every second or so seems hogwash to me. Simply operates a relay under conditions as below. There does appear in the instruction down in the "description"...
  13. B

    LDR/BC550 as switch - Darkness threshold.

    Ok...fair enough....so does the door open in daylight and close at dark or similar.....
  14. B

    Latching switch to momentary switch

    To save everyone having to search all over to try to find what you have there, can you provide a link to the unit in question where you bought it exactly. BTW...first photo didn't work.
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    LDR/BC550 as switch - Darkness threshold.

    In most cases, the mosfet I quoted would eliminate the need for the relay....just saying.
  16. B

    LDR/BC550 as switch - Darkness threshold.

    Mosfet might be easier if the current requirements are around 1A or so.
  17. B

    Led chip appropriate resistor

    To eliminate most of the waste use a driver.
  18. B

    Optical Sensor Issue

    The hall effect is a special purpose device with multiple operations so not your everyday run of the mill hall sensor. AS such if you think it is defective it will require exact replacement device...
  19. B

    still suffering with a bridge rectifier overheating

    Where did the "coils" originate..? Were they part of the transformer to begin with or did you drag them out of the dump somewhere? Until now I was assuming it was all part of the same device. Like trying to sqeeze blood out of a stone.....o_Oo_O
  20. B

    still suffering with a bridge rectifier overheating

    As well as the answer from #2, it still is unclear why you seem intent on running what we see as AC coils on DC. As pointed out previously, the structure and physics are different and one is not suited to the other.
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