L293D is a monolithic integrated, high voltage, high current, 4-channel driver.Basically this means using this chip you can use DC motors and power supplies of up to 36 Volts, that’s some pretty big motors and the chip can supply a maximum current of 600mA per channel, the L293D chip is also what’s known as a type of H-Bridge. The H-Bridge is typically an electrical circuit that enables a voltage to be applied across a load in either direction to an output, e.g. motor.
1.2 Interface for 5V servo connection to high resolution dedicated timer – no jitter !
2. Can drive 4 DC motors or 2 stepper motors or 2 Servo
3.Up to 4 bi-directional DC motors with individual 8-bit speed selection
4.Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
5.4 H-Bridges: per bridge provides 0.6A (1.2A peak current) with thermal protection, can run motors on 4.5V to 36V DC
6. Pull down resistors keep motors disabled during power-up
7. reset button
8. 2 external terminal power interface, for separate logic / motor power supplies
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