![]() That means it can individually drive up to two motors. These extend out to be the specifications of the Ardumoto as well: Two Channels 2A Each Here are some of the important features and specifications of the L298. The Ardumoto lets you control a whole bunch of current (good for motors) safely with an itty-bitty signal (good for Arduinos). Wiring an Arduino straight to the motors will damage the microcontroller's I/O pins due to the absolute maximum ratings. Well, motors tend to draw a lot of current, and trying to drive a motor straight from your Arduino output pins will make your Arduino quite cross with you. So why can't we just connect them directly to the Arduino? Unlike servos or steppers, DC motors don't require any special signals - just a straight DC voltage. ![]() They're dumb (they don't provide feedback), but they're good at spinning in one direction or the other when we tell them to. But First.Why a Motor Driver?ĭC motors are the easiest motors to use. On this page, we'll give you some background information on the chip we'll be depending on to drive our motors. At the heart of the Ardumoto - the big, black chip right in the middle - is an L298, one of our favorite dual-channel motor drivers around.
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