# Educational Robotics for Absolute Beginners – EV3 Course

(Link back to the EV3 course)

# Week 2 Specific Resources

## EV3 Hardware & Software

• There are two ways to buy the EV3 robot and software. The course is based on the educational kit, but the commercial (or home) kit is very similar
• The commercial version of the software is available as a free download. This is very close to the educational software that we use in the course - there are only a couple of lessons ("robot educator" and "data logging") that you won't be able to do. This software works with both the educational and commercial kits.

## LEGO Building Directions:

• Specifically for the EDUCATIONAL KIT:
• Specifically for the COMMERCIAL KIT
• Good for either:

## More on LEGO Design:

• An oldie, but a goodie, my favorite technical paper on LEGO Design is The Art of LEGO Design by Fred Martin whose research at MIT was the foundation for the LEGO Mindstorms series of robots.

# Week 3 Specific Resources:

## Figuring out turns and distances:

• When you tell the robot to turn 90 degrees, that means turn the orange part of the motor 90 degrees, not the robot itself. So how do you figure out how to turn the robot by 90 degrees? Or how to move the robot 20 cm forward?
• Great resources that help you figure this out mathematically based on wheel diameter etc:
• Alternatively, you can just use trial and error. If you decide to go this route, you can come up with a moderately reasonable equation for any angle (or distance) by figuring out the answer for a much larger angle (or distance) first. e.g.:
• Figure out how many degrees of rotation of the motor it takes to make the robot do 10 full rotations. Divide by 3600 to figure out approximately how many degrees of rotation of the motor it takes to rotate the robot by one degree
• Figure out how many degrees of rotation of the motor it takes to make the robot move 5 meters. Divide by 500 to figure out approximately how many degrees of rotation of the motor it takes to move one cm.

# Week 4 Specific Resources:

No additional resources for week 4