L293d Motor Driver Shield Circuit Diagram. Wiring l293d uno mega shield with stepper motor the l293d is a dedicated module to fit in arduino uno r3 board and arduino mega it is actually a motor driver shield that has full featured arduino shield can be used to drive 2 to 6 dc motor and 4 wire stepper motor and it has 2 set of pins to drive a servo. The driver is an interface circuit between the motor and controlling unit to facilitate driving.
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For driving the motors it has a separate provision to provide motor supply vss v supply. This motor driver shield consists of an l293d motor driver ic a 6 pin switch to turn on off the power and an lm7805 voltage regulator to get regulated 5v. Download the l293d schematic in as eagle project.
Here is a design for a full featured motor shield that will be able to power many simple to medium complexity projects.
The complete schematic diagram for l293d motor driver shield is shown below. For driving the motors it has a separate provision to provide motor supply vss v supply. Each channel of this module has the maximum current of 1 2a and doesn t work if the voltage is more than 25v or less than 4 5v. Here is a design for a full featured motor shield that will be able to power many simple to medium complexity projects.
