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  1. B

    Ceiling fan speed transformer

    Depends whether the installation loops at the fan or the control. Point being though that it has nothing to do with the operation of the choke shown.
  2. B

    Ceiling fan speed transformer

    No neutral required.
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    Ceiling fan speed transformer

    Unit shown is a choke. The two output cables are placed in series with the fan. The switch is a rotary type that switches out each tapping on the choke one at a time until the switch puts main supply direct on the motor for full speed. It makes no difference which line is which as far as L...
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    Oven not working as expected.

    Check that the clock has not switched to automatic.
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    Anti surge on motorbike

    Problem is you are assuming where the problem lies. What I was suggesting was perhaps it is not where you think. Therefore if you think you know better then be my guest and fix it yourself.
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    Stop false alarms

    Harsh environment taming could cover many possibilities. So the burglar is only going to get a squirt of red pepper after "n" items are stolen? I'd be checking the laws over your way as I suspect that you could leave yourself open to law suits with the red pepper spray idea.
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    Anti surge on motorbike

    Ease up. People here are trying to help which is why we are requesting further info as opposed to your interpretation of where the problem lies.
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    Anti surge on motorbike

    Might be a bit more helpful if you showed some detail on the unit. Seems rather strange to me that you are connecting it to both 5 and 12 volt supplies. Adding a constant current supply is in no way going to do anything for you.
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    Series or parallel fans for max cooling ?

    All welders have a duty cycle to allow cooling in the transformer core. I doubt any additional external fan cooling will have any influence as it takes time for the heat to radiate out to the surface.
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    In need of help with AC motor!

    Find the specs written on the defective capacitor and replace with the same size and voltage rating.
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    Stop false alarms

    All well and good to add an "N" counter but what terminates the counter? I think you are going to have to go with a 1 of design, perhaps an Arduino or similar for simplicity. Apart from that, most sensors are mounted around 2.4m AGL and face the ground so birds are not normally an issue.
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    Stop false alarms

    Get a sensor that has a sensitivity adjustment and is good quality.
  13. B

    12v Wind turbine

    As pointed out, it will intefere with the alternator regulator which uses battery pd as a reference and rotor potential.
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    Transformer / Charger, Back-draw

    No.
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    12v Wind turbine

    Trouble is largely wind power sucks when it needs to blow. Power out is power in minus any losses so your current 12v charging system appears to be up the creek without a paddle. You may, as you said, arrange for the alternator to provide enough for an alternative regulator for the 2 x 6v...
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    Can hall effect sensor replace 50K linear potentiometer?

    There are analog type hall effect sensors but I think you may be trading one form of operation ( mechanical-simple) for the other (hall effect sensor- complex) when it comes to matching the latter with an already developed product. I suspect you will still need a certain amount of the former in...
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    Arduino and ESC problem

    Found one I built a few months ago for a friends loco engine. I'll try to put the files here. mmm...seems to work...wasn't sure if the uno file would load. You will of course have to change any reference to the pro-mini and replace with uno if applicable. As will you have to arrange code for...
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    Arduino and ESC problem

    ESC will require a signal from 70 to around 220 for min and max speeds as this is what the tx delivers normally. You may also require an " initialise" signal as most rc esc will not start until throttle is first taken to max then returned to minimum level ( safety aspect so prop dont chop)...
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    Emergency lamp

    Don't know where you found these but in Aus at least, lead acid haven't been used for maybe 15-20 years. Requirements here are test run must last 90 minutes or more. Fail, and out they go whollus bollus, no replacing bits and pieces for safety reasons. Current life span around 5 to 7 years.
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    Emergency lamp

    I for one, do not see why you would want to change the original board as if it was indeed a non-maintained emergency light, this is what it would do originally. In many instances, there is on-board ability to change between maintained and non-maintained operation as well. Battery charger and...
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