Hello friends, newbie here! sorry about mi english.
I have a tipical configuration, Arduino + h bridge l298n + 2 dc motors
this is mi h bridge: http://www.haoyuelectronics.com/Attachment/L298N_module/1.jpg
pins 2,3,4,5 goto h bridge, 4 AA bateries alimentate the h bridge, and i put common ground betwen arduino and h bridge.
I controll all this, from serial monitor from arduino ide
MY PROBLEM: Robot works fine 3 seconds, and then serial communication gets lose, and motors move and move, and i have to restart arduino board to make them stop. This happends in every direction.
Thanks for your help