The DoE-sponsored competition that gave rise to the first economical 60-W LED bulbs is operating again. The new goal: More innovative commercial lighting. The Bright Tomorrow Lighting Prize (L-Prize) began in 2008 with the goal of accelerating development of LED-based replacement lamps that met extraordinarily-stringent performance and life goals. Back then, there were such things […]
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Teardown: Simple approach characterizes modern LED bulbs
LED bulbs we examined are often simpler than those made four years ago, sometimes employing discrete transistors to handle tasks once done via chips. Leland Teschler, Executive Editor Back in 2015, we examined LED bulbs putting out the equivalent of 60-W incandescent bulbs. We recently obtained several new LED bulbs to see how things have […]
Don’t get burned about LED UV
Another myth busted: You needn’t worry about ultraviolet light coming from ordinary LED bulbs. We recently checked a batch of LED bulbs for the amount of blue light they gave off. This effort came in response to claims from some in the alternative medicine crowd that LED bulbs gave off inordinate amounts of unhealthy blue […]
Teardown: Inside the Anki Overdrive racecar set
Robotic race cars make clever use of software and infrared optics to follow lines slyly hidden on the track. Leland Teschler, Executive Editor The Overdrive starter kit we analyzed contains sections of track that can go together in various ways and can even include jumps. An interesting feature of the track is that its sections […]
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Anki Overdrive racecar set appeared first on Microcontroller Tips.