FAQ
I am doing an LED desk lamp,
A photosensitive diode, followed by current - voltage conversion and amplifying circuit, a...
Mid-december, folded - 924 led charging desk lamp, the eyes?
100 yuan less than a good desk lamp, it depends on what you mean "good" means good. If it ...
What kind of light the lamp that shield an eye?
First than many energy-saving lamps and bulbs save electricity, save electricity means les...
General how long LED desk lamp charging full of learning
Depends on the size of the battery capacity, average about 1000 ma, 4 to 6 hours is full....
Amount for the LED - 666 desk lamp can use charging time
Strictly speaking, it is best not to use when charging. Because: 1. Easy to get an electri...
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