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Example Circuit

Grab the following parts:

  • Arduino UNO: Adafruit P/N 50 or SparkFun P/N 11021
  • USB cable: Adafruit P/N 900
  • L293D motor driver: Adafruit P/N 807
  • DC motor: SparkFun P/N 11696
  • Half-sized breadboard: Adafruit P/N 64
  • Jumpers: SparkFun P/N 11026

Okay, now connect the jumpers as shown in Figure 2.

Figure 2

Figure 2 Wire up your breadboard as shown here.

Use these settings:

  1. Pin 1 on the L293D connects to pin 11 on the Arduino.
  2. Pin 2 on the chip connects to pin 10 on the Arduino.
  3. Pin 3 on the chip goes to one of the leads on the motor.
  4. Pin 4 on the chip goes to ground.
  5. Pun 6 on the L293D connects to the other lead on the motor.
  6. Pin 7 on the chip connects to pin 9 on the Arduino.
  7. Pin 8 on the chip goes to 5V.
  8. Pin 16 powers the chip’s logic, and this pin can plug into 5V.
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