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high quality meterial, shock proof.
$3.40
85MM Rubber wheels car tires chassis Motor Robot.
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This is LM2596 2A Buck Step-down Power Converter Module DC 4 ~ 40 to 1.3 ~ 37V, it comes with a built-in voltmeter display and uses an advanced microcontroller.
BTS7960 43A High Power Motor Driver Module/Smart Car Driver Module for Arduino Current Limit
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