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l293d.rst 1.37 KiB

L293D H-Bridge

l293d.jpg

Your esieabot is equipped with an L293D H-bridge enabling it to control these 2 :doc:`dc motors</understand/dcmotor/dcmotor>` in all directions.

Operation

The L293D is an H-bridge that can control 2 motors at the same time.

Depending on which inputs are activated, the motors will turn in one direction or the other.

. image:: https://upload.wikimedia.org/wikipedia/commons/f/f2/H_bridge_operating.svg
width: 400
align: center

Cyril BUTTAY, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons

Connection

For each motor, connect the following inputs and outputs:

  • enable" input: enables or disables a motor
  • Input 1 (or 3): to operate the motor in one direction
  • Input 2 (or 4): to operate the motor in the other direction
  • Output 1 (or 3): one of the motor terminals
  • Output 2 (or 4): the other motor terminal

Technical data

The complete data sheet is available here: https://pdf1.alldatasheet.fr/datasheet-pdf/view/22432/STMICROELECTRONICS/L293D.html