Arduino UNO and L293D control speed and direction(bidirection) to 2 DC motors(ความเร็วและทิศทาง)

Arduino UNO and L293D control  speed and direction(bidirection) to 2 DC motors
(Ardino UNO และ L293D ควบคุมความเร็วและทิศทาง ให้กับ 2 DC motors)

L293D in package has darlington pair current sink , each output 600mA(Peak 1A only L293D) and clamp diode (ESD protection and transient suppression)

Vcc1 for internal logic  5V , Vcc2 for 4.6-36V

*Download the related file at the following link. as *.ino sketch, shcematic, L293D datasheet
https://drive.google.com/drive/folders/0BzjoxIwEMrM-Sy1paXN3S21fRVk?usp=sharing

thanks this pic for sake of learning