Pololu 5" Robot Chassis RRC04A Solid Red SF_3-axis While the chips support SPI

While the chips support SPI

Small board design

then a receiver across the way which is sensitive to that same light

Robot Cable -X4P 180mm

There are a few differences between the two modules that should be noted

Pololu 5" Robot Chassis RRC04A Solid Red SF_3-axis While the chips support SPIThis chassis base plate is a round piece of 1 8" (3 mm) acrylic with a 5" (127 mm) diameter and cutouts for building a differential drive robot chassis based on our micro metal gearmotors and 4219mm wheels . The chassis has assorted general purpose holes and slots that support many configurations of sensors and other robot components. Pololu 5" round robot chassis RRC04A with an Orangutan SV 328 and a QTR sensor array. Overview The 5" robot chassis