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Overview
The L293D module is a compact motor driver module with two full bridge circuits and individual enable inputs. Each channel can continuously drive up to 600mA and can tolerate up to 1.2A non-repetitive load current. The module accepts 5V up to 20V motor (or other inductive load) voltage. It also has a built-in 5V regulator for the logic circuit that accepts up to 12V input power sourced from either an external power or from the motor power source. This is selected via an on-board micro jumper. Aside from the obvious benefit, the internal regulator may be advantageous in applications without a microcontroller as it readily makes the module useable with just the input signals added.
The inputs are accessible from standard 2.54mm pin headers and outputs are conveniently derived from screw-in terminal blocks.
This module may be used to build a line follower / line tracing robot without using a microcontroller. Simply couple this with two of our Saleng Tracker sensors, add your chassis with motors and wheels and a power source. See the pictures for the wiring diagram.
The L293D module is part of Layad Circuits’ Kimat series of rapid-prototyping products.
NOTE: terminal block and pin header colors may change. Pictures are for reference.
APPLICATIONS:
Line Follower / Line Tracing robot
Sumo-bot
Obstacle avoidance robot
Remote Controlled robot
General purpose DC motor control
Other inductive loads like solenoid (locks/valves,etc)
FEATURE SUMMARY
Drives up 2 reversible motors
Continuous Drive Current Per Channel: 600mA
Peak/Non-repetitive current per channel: 1.2A
Motor Voltage: 5-20V
Total Idle Current with both channels disabled: ~50mA
Selectable regulator input between external or motor voltage via jumpers
Permanent-enable jumper option
3V/5V-logic compatible inputs
Board Dimensions: 49.26 x 32.69 mm
Our latest version adds additional 5V and GND pins and rearranges INx to match OUTx.