What you'll learn
- Explain why motors need a driver IC separate from GPIO.
- Control direction with IN1/IN2 and speed with PWM on ENA.
- Keep motor power and logic grounds common but supplies separate.
What's in the kit
- Arduino Uno
- L293D breakout
- DC gear motor
- External 6–12 V supply
- Flyback diode (optional)
Protocol: digital
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