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Arduino shield based on the L298P dual full-bridge driver capable of driving both DC and stepper motors. The board, compatible with Arduino UNO, Arduino mega, etc.... has a clamp for the connection of two motors and pin strips male/female that allows the cascade insertion of other cards. The power supply for the motors can be supplied from outside (7÷46 Vdc) or directly from the Arduino board. Each of the two shield output channels can provide a maximum current of 2 A, which allows two 2 A DC motors to be driven each or a bipolar stepper motor with 2 A absorption per phase. Dimensions (mm): 68 x 53. |
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Using Shield
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| The first thing to do before using the shield is to define by means of DIRB, PWMB, DIRA, PWMA jumpers which are the Arduino pins dedicated respectively to the direction (DIR) and speed control (PWM) of the two channels B and A. Figure 1, for example, shows pin 13 for DIRB, pin 11 for PWMB, pin 7 for DIRA and pin 6 for PWMA. In addition, it is necessary to select the motor power source (external = EXT or internal = INT) via jumper JP1. In our case, the EXT source is the one connected to the PWR terminals, while the internal one is represented by the Arduino board. Figure 2 shows, for example, the choice of the EXT source as the motor power source. The two-tone LEDs (green/red) LD1 and LD2, mounted on board, indicate the direction of rotation of the motors connected to the board when they are switched on. | |
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Additional information
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Documentation and useful links
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- Product Code: 8220-VMA03
- Availability: In Stock
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Tags: motor shield for arduino - mounted, 8220-vma03, shields