The shield contains two L293D drivers and a 74HC595 shift register. The shift register extends 3 pins of the Arduino to 8 pins to control the direction of the motors. The OE (output enable) of the L293D is connected directly to the PWM outputs of the Arduino.
Characteristics
- 2 L293D chips
- 4 H-bridges
- 0.6 A per bridge (1.2 A peak current)
- thermal protection
- internal kickback protection diodes
- max. 4 bidirectional DC motors
- max. 2 stepper motors
- pull-down resistors keep motors off during startup
- 2 power connections for separate logic and motor
- screw connectors for motors and power supply
- suitable for motors from 4.5 VDC - 16 VDC
- 2 connections for 5 V servos
Specifications
- dimensions: 6.8 cm x 5.5 cm x 2 cm
