powered

  1. N

    Motion triggered battery powered dimmable COB LED light

    My view on life, in any field, is not to produce more but to consume less. Everybody told me this is a very eccentric weird mentality. Perhaps they are right. Nevertheless I have to build my project to make a highly efficient, extremely low drain, motion triggered 12V battery powered dimmable...
    • NiculaeGeorge
    • Thread
    • battery dimmable dimmer led led light light motion powered sensor
    • Replies: 12
    • Forum: Lighting Forum
  2. D

    How is this switch powered? I thought all circuits needed a neutral?

    Usual problem with smart switches - no neutral at the switch, been plenty of threads on it before. Fortunately managed to find some switches that don't need one. So the circuit's permanently 'complete' since the switch is permanently 'on', and actually power is going to the light, but not...
  3. E

    Wiring Reverse Camera on with key powered by battery

    I'm asking for assistance about how i might be able to make this happen. I'm thinking a relay would do this but i have no idea which relay. I'm looking to have a constant on rear camera that i can access from my head unit any time while the vehicle is on. I do not want to use with the wiring...
  4. X

    Does anyone know where i could get a led strip light set up that is powered by a force sensitive resistor/weight sensor?

    Ultimately for my project im making a lamp which will be powered by the weight of an object. So i want to power the whole led strip lighting solely through placing an object on the weight sensor pad. If anyone knows where i could buy a setup like this or how i could go about making it myself...
    • xlNath
    • Thread
    • anyone get knowledge led led strip light powered sensitive sensor strip where
    • Replies: 5
    • Forum: UK Electrical Forum
  5. T

    Homework - low voltage side 3x400V and a short-circuit power on the low voltage side 95MVA is powered by an OPS

    Hello everyone please help me with this homework which is too hard for me due to the fact my teacher didnt teach well so i have some problems with this schoolwork. a distribution transformer station with a voltage on the low voltage side 3x400V and a short-circuit power on the low voltage side...
  6. L

    Guide to make test board... similar to colleges powered by ring circuit

    Afternoon chaps, is there a guide anywhere on this forum to make a test board similar to what you would use in college? I need to re-train myself, get some practice in testing circuits. Any appreciated. Thanks.
  7. D

    Battery powered Rotating Beacon

    Hello Hope everyone is well and thanks for creating this forum. I'm looking for some help for a project I'm doing. It's a Short Film where I would like a red rotating beacon to cast its light on a solider running in a bunker's corridor. I found a rotating beacon that comes with a car plug...
  8. M

    Candle Led powered art by 5v cord ?

    Hi I have a led candle with 24 color remote I purchased off eBay. I took apart removed the insides it used 3 aaa batteries 1.5v each . I then took a cell phone charger 5v and attached it ! It worked ! Ant the application I used it on has worked the last 6 years and still works ! I feel safe but...
  9. B

    AC converter for battery powered lights

    I was looking at my battery powered Christmas tree lights and was getting a little fed up with constantly changing/looking for the appropriate batteries (3 x 1.5 volt AA, in this case) I then came up with the idea of using an AC Converter Adapter to DC 4.5V 1A Power Supply. I guess that will...
  10. C

    Kitchen light powered from wrong circuit??

    Hi all, I am hoping you can provide me with some insight. I've just bought a new light fitting, and before fitting I attempted to turn the downstairs lights off at the CU. It killed all lights bar the kitchen light (the one I was planning to change ). However, to stop power to the the kitchen...
  11. 1

    12v lighting for my house powered by my van

    hello all is this possible???? I drive a van around all day, I want to use the van to charge up a 110ah Agm battery, I then want to use this battery to power up a 12v led lighting circuit in my house. I also want to use the 240v supply as a back up to the same lighting circuit, with some sort...
  12. I

    Industrial electric powered heaters

    Hi folks, I'm pricing a job which includes a heating solution for a former small warehouse. The area that requires heating is approximately 400 square mtrs with suspended ceiling at around 2.5 mtrs high. the space is going to be used for light manufacturing where the workers will be sitting at...
  13. S

    Mains Powered Medical Headlamp repair query

    Dear Electricians, I am a veterinary surgeon and need help from someone in the know as to how to bring an old bit of equipment back to life. It is a headmounted lamp with a special mirror to allow examination of the retinas of dogs and cats, however my query relates to the power supply for the...
  14. DeanoRN

    Cables and high powered appliances

    Hi all, Just a quick question, In a ring curcuit in a kitchen with high powered appliances for example, would the cable get warmer where the appliances were plugged in? Like if they was all plugged in a Certain area would thst area be warmer than the rest of the run or would the current draw...
  15. S

    Radial socket on landing and rear bedroom appears to be powered from lighting and radial

    Hello all, first time posting here, was hoping for some theories/advice regarding a confusing situation. Essentially we were looking to add one or two sockets to a upstairs bedroom (40's build rewired in 80's I think with black/red colour system). It currently has two sockets and there is also...
  16. marconi

    LIQUID PETROLEUM GAS POWERED SUITCASE INVERTER GENERATORS

    I am working on a study for my brother-in-law who runs a national outdoor catering business. At the moment he uses 3.4kVA petrol generators with Honda engines modified to run on LPG. The maximum steady state load is about 900W but they are sized at 3.4kVA to start in sequence and then run...
  17. sparkdog

    Battery powered Easyjet aeroplanes

    I see Easyjet is planning battery powered planes in the future, that's going to take a lot of AA cells.
  18. ringer

    Which smokes to fit - mains or battery powered?

    I don't normally get involved in this but have been asked by customer to fit smoke alarms - this is for a property that will be rented out. I know that mains powered smokes used to be the way to go in this situation as tenants tended to take out the PP3 batteries to use in other equipment...
  19. N

    LED Ikea lights battery powered?

    Hi everybody, thanks for letting be part of this group. I have to apologise firstly to everybody as probably this topic may sound a bit silly, but it would be helpful to get some information about what we are tying to achieve. Im a filmmaker, and because of my job we constantly have to deal...
  20. A

    Mains powered smoke and carbon monoxide alarms

    Hi Guys, I've recently purchased my own house and I've stripped it and re-wired. I've allowed for smoke alarms on all three levels and obviously want carbon monoxide protection. I have 230v supply and 3 core for the inter links between. The smokes aren't a great problem but does anyone know of...
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