I think this question may be as much a mathematical question as it is an Arduino programming question. I’m using a Leonardo and have the need to report several hundred data points using optocouplers. Rather than using a single optocoupler per data point, I realized that I could do this using 11 ot…

[image] Arduino-x: I realized that I could do this using 11 otptocouplers along with a “digital-code” and thereby be able to report up to 1024 unique conditions. Congratulations! You have invented BINARY. An easy way to convert a number to a set of pins being HIGH: // List the pins, low bi…

Using a geometric series to control many LEDs

Projects Programming

anon35827816 September 23, 2021, 5:13pm 4

That's far smarter & faster than my silly approach.

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Using a geometric series to control many LEDs

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