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Electronisc World Hot News
Many LEDs, wandering mag fields, and USB juice
Medieval theologians may have argued about how many angels could dance on a pinhead, but contributors to Design Ideas seem focused on driving more LEDs with fewer microprocessor I/O ports. Here we go again, with the latest and possibly last (for a while) entry in the category. This time, authors Nedjeljko Lekic and Zoran Mijanovic show us that “Three microcontroller ports drive 12 LEDs Details... more »
 
The circuit stewpot
Here in the United States, people celebrate late November’s Thanksgiving holiday by cooking a turkey. By the first of December, the leftovers are mostly gone and the picked-over carcass awaits the soup pot. This fortnight’s Design Ideas have already landed in the EDN stewpot, and there’s not a turkey in the bunch.If you’re stuffing a class-D amplifier in your latest product, youR... (more) Details... more »
 
Six more, and an announcement
What’s your least favorite electronic component? If it’s resistors, you’re in luck. Author Martian Stofka follows up his earlier contribution, Gain-of-three amplifier requires no external resistors, with a variant-- this Gain-of-two inst... (more) Details... more »
 
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