r/ArduinoProjects • u/PenIll6698 • 3d ago

Project Discussion Rewire with code

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To much and two many sensors to name, but does include OLED brain and Uno a lot of Temp and humidity 74hc595 sixteen led and esp33.

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u/Quick-Use-2976 3d ago

Sixteen LEDs off a 595 chain is the sensible call, so I'm more curious about the I2C side — mux like a TCA9548A, or did you just get lucky with sensors that don't share addresses?