Lesson 9 – Self-balancing Robot 
“When Did Computers Lose the Fun?” 
“Classic vs. Modern Computing” 
“Quicksort Inventor Tony Hoare dies” 
Lesson 9 – Self-balancing Robot
Sorry but you are on your own for a robot frame. you have two motors in your kit, you can...
My Blog
“When Did Computers Lose the Fun?”
I was looking through a bunch of old computer magazines and articles over the last week trying to see if...
“Classic vs. Modern Computing”
I was feeling a bit nostalgic this week and began to think about some of the differences between computers 40...
Lesson 8 – The Theremin
This week you will be building a Theremin, which is a musical instrument controlled by positioning of the hands in...
“Quicksort Inventor Tony Hoare dies”
I found out late last week that one of the heroes of early computing passed away on March 5, 2026,...
Lesson 7 Homework Answers
You circuit looks basically the same as Lesson 6 with the addition of the Sonar Sensor HC-SR04. It is a...
“Sentient AI”
Over the past couple of weeks the company Anthropic has made the news multiple times, and to me each time...
“Ancient Doors”
The Pantheon doors, estimated to have been installed in 115 AD during Emperor Hadrian’s reconstruction, were solid bronze, measuring 7.53...
Lesson 7: Using Sensors with Arduino
So far in the class we have only covered topics related to sending and receiving data over the serial interface...
Lesson 6 Homework Answers
Your circuit should now look like the one above and your code has a few minor changes from Week 5's...