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August 27, 2010
News - Enginursday: The Sky Is N…
At this stage, you would get extra points if you could just hit the moon; regardless of speed.
about 4 years ago
It would not be much different than the multicolored LED matrices (I concede they have separate anodes). Those are generally operated via PWM (ie MAX72xx). You have a bit more wiggle room in Vf with PWM.
Also, with 8 pins, you could drive two of these with a single MAX72xx.
They could have easily multiplexed the LEDs, 4 sets of 4 would have resulted in 8 pins total.
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