How to save power on LED drivers for traffic, message signs
Keywords: LED driver save power LED LED brightness
[Summary of tips] The worldwide energy shortage has raised public awareness on energy saving issues, and the LED light source has therefore been widely adopted for its low power consumption, long life, environmental protection and fast turn-on time features. As the LED brightness is adjusted by current, a constant current LED driver is necessary......|
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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...















