Assistance with an exercise,

[ellinas82]

I'm a student of a Greek university and I want some help from the robot experts

First I have a robo-vehicle for tubes

1. Now, If one of three same Ultrasonic Range Finders MB1000: LV-MaxSonar-EZ0 detect an diameter smaller than 30cm a motor of 3.18 Nm, 12 V , 8 W should start.

2. Do i need a micro-controller like **broken link removed** ... -2170.html ?

3. Do i need Motor Driver like ? http://www.robotshop.ca/cytron-24v-4a-b ... river.html