Take our musical talents to the next level as Piperbot and Pip jam out with their new Adult Zomar buddy on a piano made of resistors. Ask students: “What is your code measuring to know when and what sound to play? How is this different from your ultrasonic drum?”
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Troubleshooting Tips
Are some notes failing to play when you touch the jumper wire to the resistors?
Make sure you touch the jumper wire to the metal part of the resistor instead of the plastic.
Ensure that you have set up the resistors correctly with the metal leads lined up along the rails so they complete the circuit. Check the wiring diagram if you’re not sure.
Why do you have to be careful with the top portion of the Pico?
Touching the green wire to the areas marked with the yellow triangles ⚠️ will cause a short circuit and could damage your Pico module. Be careful!
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Term Glossary
Circuit A conductive path for the flow of current or electricity.
Power The current or flow of electric charge and voltage.
Microcontroller An integrated circuit containing a microprocessor with memory and associated circuits.
Variables A value that can change depending on conditions or information passed to the program. A storage location with a symbolic name used to keep track of a value that can change while a program is running (similar concept to using X and Y in an algebraic equation). Variables are not only numbers; they can also hold text, including whole sentences (strings) or logical values (true or false).
Input Device A hardware device that sends data to a computer, allowing interaction and control.
Output Device A piece of hardware that converts information into a form humans can sense and understand.