My LED desk lamp is both practical and functional. I built 4 of them, which I use everyday. The dimming greatly enhances the utility of the lamps. I know of no commercially available LED desk lamps that are dimmable.
Ya, the devices that provide light these days are so varied, dimmers should be on all of them. You can't just grab a 75 watt bulb and know what you'll get. Next, let's work on a uniform and easily located volume control ...... the old knob was NICE!
I agree with you about the dimmable light, Ann. And it looks like it stands a good chance of winning this round of Gadget Feeak voting. We'll know in a few days when we shift to the fifth round. If Andy wins with his dimmable lamp, that will be two for him, since he won the first round.
As 1800ES points out, light output can vary a lot in non-incandescent lamps (although I've also noticed dimming in those bulbs right before they stop working). I wonder if he's referring to CFLs and their habit of going from lower to higher output after they're switched on?
I hope the readers know that complete build instructions and parts lists are available elsewhere online. Obviously, the regulars will know that. I believe that how easy a gadget is to build might play a role in how attractive a particular project is.
It's easy to find these projects in their full presentation. On the home page, look at the Gadget Freak posting and you'll see the word "all" at the top. Click this will get you to the full list of complete Gadgewt Freaks.
Festo's BionicKangaroo combines pneumatic and electrical drive technology, plus very precise controls and condition monitoring. Like a real kangaroo, the BionicKangaroo robot harvests the kinetic energy of each takeoff and immediately uses it to power the next jump.
Design News and Digi-Key presents: Creating & Testing Your First RTOS Application Using MQX, a crash course that will look at defining a project, selecting a target processor, blocking code, defining tasks, completing code, and debugging.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.