Charlieplexing a nixie tube
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@typodaemon thanks for the reply :D
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cool :)
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love that shit! where did u get this kit from?
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what is charlieplexing ? :)
kosec321 1 year ago 3
@kosec321 charlieplexing is a variation of multiplexing that takes advantage of the input mode on microcontroller pins. Since the input mode is high impedance it effectively removes that pin from the circuit. You can build a mesh of LEDs between the available pins and then address LEDs by setting one pin to high, one to low, and the rest to input. It's really pretty clever.
typodaemon 4 months ago