Pololu Logic Level Shifter 4-Channel Bidirectional - 3.3V/5V precision cutter you can use one cable

you can use one cable for multiple Boarduinos

maximum reach I8V

Positioning slider x2

LED Matrix Type LED Matrix

border-radius:8px} Show Text Clearly with I2C RGB Backlight LCD 16x2 Display Module for Arduino (Black Text)

Pololu Logic Level Shifter 4-Channel Bidirectional - 3.3V/5V precision cutter you can use one cableBuild More with Logic Level Shifter, 4 Channel, Bidirectional The Logic Level Shifter, 4 Channel, Bidirectional is a practical support part for wiring, level shifting, programming, or mounting in embedded builds. It helps make integration easier and cleaner in prototypes as well as finished systems. Why you'll love it Translates low high both ways: no direction pins needed for typical bus useeach channel is bidirectional Great for mixed voltage