ASK AN EDUCATOR! “How do I choose resistors to match a multiplexed led matrix?” « Adafruit Industries – Makers, hackers, artists, designers and engineers!
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Control 8x8 LED Matrix Display with Raspberry Pi
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LED Matrix Display using Arduino – Social Technical
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Structe and Pricipale Multiplexing of a LED Matrix | Download Scientific Diagram
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driver - How can I effectively drive multiple LEDs with multiplexing? - Electrical Engineering Stack Exchange
arduino - Multiplexing with or without transistors - Electrical Engineering Stack Exchange
Drive time-multiplexed LED arrays at high current (MAGAZINE) | LEDs Magazine
Multiplexing RGB LEDs - LEDs and Multiplexing - Arduino Forum
Twistyplexing: a new topology for LED multiplexing | argonblue