Robodogs Robotics Camp Day 2

Line Following For Days!

Wow! What a fantastic second day of robotics camp today. I am not exaggerarting when I state how proud I am of these amazing 60 kids. Today we started off with a few changes.

1. We had them change partners today. We want to see how they work with a variety of different people. Each day we have them work with someone new so they can experience different roles, different personalities, and to keep things fresh for everyone. This also allows us to see what each kid is capable of achieving.

2. We recapped with things that went well and not so well from the first day. We helped those who struggled with robot design by provided a very simple 10 piece build as well as three other simple suggestions(see slidedeck)

3. We built upon what we learned from the first day and dove into greater detail about HOW the program works. We really want students to understand the functions and all the available options.

Today we challenged them with Line Following. We had them think about robot body design as they had to build a new bot that would allow for color sensor accuracy, ultrasonic placement for the challenge, touch sensor use, and overall smooth line following.

Once we gave them a few pointers we sent them off to build with their new partner. After about 20 minutes we stopped and I taught them how to line follow using light reflection. This is much more accurate than simply reading color because not all of them understand sensor placement and sometimes the lighting can throw the color readings off.

So, we documented how to take five light reflection readings using Port View. We then divide the sum by five and that becomes your light threshold for the switch block. Once they learn this they can now dial in their robots no matter the light conditions. We had a variety of course with different light settings so they had to practice adjusting the threshold to show us their understanding.

You can see the slides for the challenges and lessons to learn more. What I most impressed with was how many groups picked up the concept of line follow. We had six challenges and over 75% of the groups conquered them all. We allowed them to work at their own pace, choose the missions they wanted to do, and leave it up to them to chart their own course.

It was a great day. I could not believe how much the learned today. They did a much better job problem solving, listening, and asking quality questions. I cannot wait for tomorrow.

The challenge tomorrow is to build a robot that bowl. We have the lanes ready to go so we will see who can score the most.

Here is a recap of day one if you missed it.
Robodogs Robotic Camp Day 1 http://wp.me/p4covo-1p6

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