My carbon footprint is 85%

With www.footprint.wwf.org.uk I make my carbon footprint, when I saw it I was surprised because I thought my percentage would be higher.

         
                       

                                   
 

Page 89 ex.159

  

With the same previous app I create ex.159

Page 89 ex 158

With the same previous app I create ex.158 : LEGO-Touch sensor

I use the touch sensor to dectect an object, program the robot to avoid  the impact






                                         

Page 89 Exersice 157

With LEGO MINDSTROMS NXT  i doing ex. 157 :  LEGO-Ultrasonic sensor

If an object is detected 20 cm start to move 2 seconds.



                                  

6/03/2018

This is the page 89 exercise 156