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100 LEDs, 16 Square Inches

I wrote about a project back in August that I called the Twinkle Tag, as an experiment in PCB design and construction- seeing if I could fit 100 RGB LEDs, plus all the circuitry required to drive them in a scanning array based off the Peggy 2 from EMSL on a four inch square two-layer […]

Posted on December 28, 2010 at 1:18 am by Henry · Permalink · Leave a comment
In: RGB LED Stuff

Twinkle Tag: An SMD Experiment- Part 1, Design

I’ve designed and had manufactured several PCBs over the last couple years for the Battery Regulator project. I’ve focused on using through-hole parts, using surface mount components infrequently only when necessary. Even after spending hours condensing the components and finding clever ways to rout traces to maximize the use of board- space I find the […]

Posted on August 19, 2010 at 11:58 pm by Henry · Permalink · Leave a comment
In: RGB LED Stuff