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Anonymous users2024-01-24You first calculate what the current is at 12 volts, and when you know the current, you can use 220 volts to find out how much resistance it is. Finally, the resistor takes the power that is greater than the power first. It's not safe to pick it up like this.
It is better to use the constant current original LED to be brighter. The 220 volt voltage at home is not stable, and a shift of 180 volts to 250 volts is normal in China. It really takes to test the highest filtration voltage.
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Anonymous users2024-01-23The series resistance required is:
R (220 12) (Śr.)
It's great that this will allow your lover to see your beautiful wedding photos no matter where he sleeps, which can inspire his enthusiasm.
Generally, it's fine, it mainly depends on the individual's physique, as long as you don't haunt and maintain hygiene, it's fine. You must know that the environment we live in, there is no absolutely hygienic place, but you can't see it with your naked eye. If you strengthen your physical fitness and pay strict attention to your personal hygiene, you will not get infectious diseases. >>>More
1 all left wired wall lamp, if both sides are left with wires, you need to install a single-head wall lamp, only one line to install a single-head or double-ended wall lamp, are very good-looking, if there is no wiring, just a desk lamp on it, the lamp according to the style of home decoration can be.
From a safety point of view, there is no room for anything that could (even if it is only possible) to fall off above the sleeping place. It's also a source of restlessness and poor sleep. Also, if you put a potted plant on the top of your head, even if it doesn't fall off by yourself, it's hard to say if the child has moved it, and if the child can only touch it when you go out, then you are putting a stone on your head to sleep! >>>More
From the perspective of safety, the sleeping place is on the du, and it is not allowed to exist (which zhi is only the possibility of falling). That's not the source of peace and bad sleep. Also, if you put a potted plant on the top of your head, even if it doesn't fall off by yourself, it's hard to say if a child has moved it, and if a child can touch it when he's out there, it's like putting a stone on his head to sleep. >>>More