70:1 Metallgetriebemotor 37Dx54L mm (Schrägverzahnung) hub-motoren Each of the two included

Each of the two included hubs has four mounting holes for M3 screws (not included)

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which should typically be made to the larger V+ pad

See the Maestro User

It can supply up to almost 3 A continuous current per channel to two brushed DC motors at 5

70:1 Metallgetriebemotor 37Dx54L mm (Schrägverzahnung) hub-motoren Each of the two includedThe Pololu 4744 geared motor is a powerful brushed DC motor with a metal gearbox with a gear ratio of 70: 1, designed for operation at 12 V. The gearbox consists mainly of spur gears, but features helical gears in the first stage to reduce noise and improve efficiency. It has a 16 mm long D shaped output shaft with a diameter of 6 mm. Specifications: Translation ratio: 70: 1 Idle speed at 12 V: 150 rpm No load current at 12 V: 0. 2 A Stall current at