L298 (Motor Driver)

https://www.robomart.com/l298-based-motor-driver-board-arduino

Features of L298 Motor Driver Arduino Board

●Operating Voltage: Upto 46 V.

●Output Current: 4 A.                    사람 몸무게를 지탱할 정도로 충분한 전류이다.

●Low Saturation Voltage.                 낮은 포화전압

●Over temperature Protection.         과열 방지

●Logical "0" input: 1.5 V.

●(HIGH NOISE IMMUNITY)Light weight, small dimension.

●Input Male Headers.

●FWD protection.

●PBT connector for Powering the Board.

●2 DC motor/ 4 coil dual phrase stepper motor output.

●4 standard mounting hole.

L298.pdf

https://www.sparkfun.com/datasheets/Robotics/L298_H_Bridge.pdf (PDF바로보기)

http://blog.unsang.com/142

Vss : 마이컴 전원단자

Vs : 모터측 전원단자(마이컴보다 2.5V이상 커야한다.)

동작방법

IN1=High    IN2=Low  이면 전류가 OUT1으로 나와서 OUT2로 들어간다.

http://duino4projects.com/homemade-dual-h-bridge-l298-breakout-board-using-arduino/

FGPQA4THD4VDEJR.ppt

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PWM1 // EN1 // Dir1 // PWM2 // EN2 // Dir2 // 5V // GND // GND // 12V

위 그림 순서대로 핀아웃이다.

PWM1	Input1
EN1	Enable A
Dir1	Input2
PWM2	Input3
EN2	Enable B
Dir2	Input4
5V	Logic Supply Voltage
GND
GND
12V	Supply Voltage (for Motor)