Power factor regulation, dimming with LED driver
Keywords: high brightness LEDs power-factor-regulated dimming
[Summary of tips] As new materials and manufacturing processes emerge, a new lighting source, high brightness LEDs are now attracting increasing attention from academia and industry. LEDs are both environmentally friendly and energy efficient. Usually phosphor material is used to convert monochromatic light from a blue or UV LED to broad-spectru......|
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Strange modes of transport and other "stuff"
Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...















