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Release v3.0
eanceleur edited this page Dec 31, 2018
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1 revision
Play with a 8x8 leds matrix
- 64 common anode RGB leds
- 2 pcf 8575
- some transistors
- some resistors
One PCF 8575 drive 8 rows and 8 columns, and the other drive led's colors. They are both on the same i2c bus.
By multiplexing all of that, we can drive 8x8x4 = 256 wires with only 8+8+2=18 wires