The document discusses the L293D motor driver IC, which contains four half-H bridges that can be used to bidirectionally control two DC motors. It provides up to 600 mA of current to each motor and is interfaced with a microcontroller through four input pins to control the direction and speed of two motors independently.

1. Motor Driving using
L293D

2. μC
~ 5 mA

3. μC
~ 5 mA
~ 500 mA

4. μC
MOSFET
Transistor
~ 500 mA
~ 5 mA
Relays

10. Using Relays

11. Using Transistor

12. Motor Driver
L293D
• quadruple high-current half-H drivers.
• designed to provide bidirectional drive currents of up
to 600-mA at voltages from 4.5 V to 36 V.

13. Pin Configuration

14. Interfacing

15. 4 Half H– Bridges…??????

16. Motor 1
Input 1
Input 2

17. Motor 2
Input 3
Input 4