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-Wiring
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-- Add switches to both Pro Micros across B3 and B6 pins
-- Add pull-up resistor to left side between VCC and F6
-- Add pull-down resistors to right side between GND and F6
-- Connect the following pins on both sides together: D0, D1, GND, VCC
-- Add I2C 4.7kOhm resistors between D0 and VCC, and D1 and VCC
-- Wire Di of RGB strip for each half to D2