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  1. Rockingit

    Recommendation for solar powered lighting, please

    So a family member wants to put an outdoor light or two on the end of a driveway, purely passive and solar powered. These used to be naff and not worth it, but I know technology has come on. Lots of units out there but which ones are actually worth the buying?!
  2. L

    Requirements for a Homemade Solar Powered Esky/Mini fridge?

    Hello all, I am a Design and Technology student completing my final project of a portable solar-powered esky/mini fridge cooling system, however, as I am somewhat new to electrical engineering I would greatly appreciate input into the construction of this project. For this construction, I have...
  3. HnyBear

    Battery Powered Led Strip Project - Need Help!

    I am trying to put some led light strips under the fenders of my fat tire E-bike. I’ve been looking at led light strips on Amazon, AliExpress and Alibaba for weeks. I’ve decided on, and please correct me if I’m wrong, SMD 5050 WS2812B 144 led per meter strips. I need 1 meter per fender. Many...
  4. ANDREAS_FROM_GREECE

    I need some information about batery powered led lighting. Thanks in advance.

    I have a question for those who are well versed in electrical and lighting issues. In my neighborhood there is an elderly lady who, while she has a house, for financial reasons has no electricity supply. I would like to help her. Could someone suggest a led lighting system? It would be good to...
  5. E

    DC powered ceiling fan clunking and random behavior

    Hi All, Trying to ascertain why a DC MinkaAire fan (84") will no longer change speeds, or in some cases even start itself in the lowest setting speed. I have replaced the receiver/controller on the fan (U shaped PCB), but the new one did not resolve the issue. I can get the fan to run...
  6. pirate

    Info please on a mains powered smoke alarm

    Not come across this before, so would like some help, please. I went to install smokes and heat alarm (to new Scottish regs) in a fairly modern flat last week. The flat is on the top floor of three. Noted that the flat had one smoke in the hall. Assessed minimum requirement as smoke in hall...
  7. B

    Solar Solar powered hot tub

    G'day, In order to lower my electricity bill, I want to use the power of the sun to heat my hot tub. The setup is the following: A 100W solar panel is driving a raspberry pico microcontroller which is measuring the temperature of the water in the hot tub. If the water is below 40C=105F it will...
  8. togglenation

    New Mains Powered smoke alarm beta testers needed.

    Hi all, I'm working in a company that makes battery smoke alarms, we're now one of the biggest intrusion alarm manufacturers in the EU region. We're developing our own Mains Powered Smoke / Heat / Co detectors and I would like to talk to proffesionl electricians who installs AICO / FireAngel /...
  9. B

    When swapping a mains powered smoke detector

    Only the head in this case. Is certification required? (Social Housing)
  10. B

    USB powered ornaments

    I have a bunch of ornaments (10) with LED lights in them. They all take 2x AA batteries and have a switch to turn them on on the ornament. I want to put these on display and don't want to have to pick them all up and switch on 1 by 1. I am currently looking at replacing the battery with a USB...
  11. S

    Generator powered offgrid system with batteries advice

    Hi all I hope everyone is doing well. I have a new rural small house coming up that I need to use generator power for. It's 105 sqm and the time and cost to get connected to the grid need to be pushed out for me. (1-2 years) Has anyone any experience with some type of battery connected to a...
    • speedystu
    • Thread
    • advice batteries custom generator generator set inverter new build off grid powered system
    • Replies: 11
    • Forum: UK Electrical Forum
  12. C

    Wall switching method for 12v adapter powered devices?

    I'm not a pro, just looking at strategy for a village hall install. In the bar area, there are a number of devices which need to be switched on in one go. Some LED lights, a video monitor, wifi externder, other low power stuff. They are the type with the plug in 13A to low volt wall adapters...
  13. J

    125A consumer unit powered by 63A Switched BS88 Fused Unit

    Hi, Ive got an upcoming job to determine the cause of a BS88 fuse tripping in a switched fuse unit that powers a 125A consumer unit yet none of the MCB's trip, Just the one cartridge fuse. What is a concern about this site is that the old fused switch unit is 63A, yet it is feeding a 125A...
  14. J

    Generator Powered Furnace

    Hello, I am in Dallas experiencing heavy power outages and my family has been without power for 36 hours and therefore also heating. I have a 8000 w generator and a 100 ft 10 gauge extension cord. Is there any way that I can get this generator somehow wired to part of the Furnace so we don't...
    • jgruberman
    • Thread
    • furnace generator powered
    • Replies: 23
    • Forum: USA
  15. B

    Do AC powered wireless thermostats exist

    Hi, Does anyone know of a wireless thermostat which can be mains powered rather than batteries? We have very difficult cable routes for the control cables but easy AC supply. It seems a shame to hang the system on batteries if the stats could be main supplied. Thanks in advance.
  16. Pretty Mouth

    Max circuit length for LEDs powered by constant current driver.

    Hi all. Constant current LED lighting is a new concept to me. Not that difficult to get the head around, but I cannot find an answer to the following question: How do I determine the maximum length of a ELV LED lighting circuit powered by a constant current driver? For a constant voltage ELV...
  17. L

    Domestic heat/smoke alarm mains powered from different lighting circuits?

    Hi folks, Friend is currently renovating his house, including a loft conversion. He had originally hoped to go with Grade F1 (tamper proof batteries) radio interlinked alarms. However architect has stipulated all alarms must be Grade D (mains powered with battery back-up), but can be still be...
  18. E

    Simple Solar Powered Pump w/ Rechargeable Battery

    Hi Everyone, My aim is to build a simple solar powered pump with a rechargeable battery to water plants. The idea is to use a 6V 1W Solar Panel connected to a TP4056 (protected) to charge a 18650 Lithium Ion Battery. On the output is an MT3608 2A Boost Converter to step up the voltage to a...
  19. T

    Can a Non POE device be powered using a CAT6 cable using POE splitters and Injectors?

    Can I power a Non PoE device using a CAT6 cable and use it with a PoE splitter or Injector
  20. 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 hc-sr501 led led light light motion powered sensor sgl8022w
    • Replies: 12
    • Forum: Lighting Forum

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