aaaa i don't have the motor shild yet that's way i ask this question 
give a click plz on the link http://www.robotshop.com/eu/adafruit-motor-shield-kit-arduino-2.html to see the shiel and give me an opinion ! TNX
aaaa i don't have the motor shild yet that's way i ask this question give a click plz on the link http://www.robotshop.com/eu/adafruit-motor-shield-kit-arduino-2.html to see the shiel and give me an opinion ! TNX