Tamiya 70097 Twin-Motor Gearbox Kit SF_5mm though Tamiya also recommends using

though Tamiya also recommends using a modeling knife to remove excess plastic

as we noticed an Arduino may need a little more capacitance on the 3

For the microSD card

Datasheet (ATMega32U4)

12 V brushed DC motor with long-life carbon brushes and a 29

Tamiya 70097 Twin-Motor Gearbox Kit SF_5mm though Tamiya also recommends usingTamiya's twin motor gearbox consists of two independent brushed DC motors and gearboxes in one compact housing, making it perfect for small robots. You can assemble the gearboxes to have a 58: 1 or a 204: 1 gear ratio. Tank style chassis built using the Tamiya 70100 track and wheel set, Tamiya 70098 universal plate set, and Tamiya 70097 twin motor gearbox kit. Overview The Tamiya twin motor gearbox is a small (3 inch long) plastic gearbox. It contains