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Teacher's Notes: Musical Introduction
Because this is the musical level, it’s important to set some rules for the sounds the robots make. Students often don’t realize how loud it can get, so remind them to keep the volume lower so they can hear the hubs, and to stop their programs in time, since continuous sounds can become quite loud.
In this lesson, students will learn many of the key concepts needed for the rest of the course. That’s why there is little construction and mainly exploration with a single force sensor. Make sure they understand the difference between pitch and volume. Although there are many new blocks introduced, they are mostly simple and similar to previous ones. These blocks will also be used in many future lessons, giving students plenty of time to become familiar with them. By the end of the lesson, students should have tried the following two programs:


- #2502
- 16 Sep 2025
How to use the Set Volume To Block in LEGO SPIKE Prime Word Blocks Software
A big part of a sound is its volume. Here's how to change it!
- #2501
- 16 Sep 2025
How to use the Force Sensor Pressure Block in LEGO SPIKE Prime Word Blocks Software
The force sensor can detect how hard it’s being pressed! Here’s how:
- #2500
- 16 Sep 2025
How to use the Start Playing Beep Block in LEGO SPIKE Prime Word Blocks Software
Did you know that your hub can play a sound? Here's how!
- #2499
- 16 Sep 2025
How to use the Play Beep for Seconds Block in LEGO SPIKE Prime Word Blocks Software
Did you know that your hub can play a sound? Here's how!
- #2497
- 16 Sep 2025
How to translate musical notes into SPIKE Prime software
Have you ever wanted to program your favorite music on SPIKE Prime? Here's how!
- #2496
- 16 Sep 2025
How to use the Division Block in LEGO SPIKE Prime Word Blocks Software
You already know how to do division in mathematics - here’s how to do it in SPIKE Prime!
- #2495
- 16 Sep 2025
How to use the Motor Position Block in LEGO SPIKE Prime Word Blocks Software
Did you know you can use the motors as sensors? Here's how!
- #2494
- 16 Sep 2025
How to use the Motor Speed Block in LEGO SPIKE Prime Word Blocks
Did you know you can use the motors as sensors? Here's how!
- #2483
- 16 Sep 2025
Hall Effect Sensor
What Is a Hall Effect Sensor?
A Hall Effect Sensor is a small electronic component that detects magnets. When a magnet comes close, it sends a signal to other devices, like an Arduino or an LED light. Think of it as a tiny switch that turns on whenever a magnet is nearby.
- #2493
- 12 Sep 2025
Why rotate around center of mass
If you don’t rotate an object around its center of mass, it becomes unstable - causing vibrations, extra stress, and sometimes complete system failure.

- #2492
- 12 Sep 2025
How a Spinning LED Strip Can Create the Illusion of an Image
You’ve probably seen a spinning fan or display with LED lights that forms text or images in mid-air — it looks like magic! But what’s really happening?
This amazing effect is based on a concept called Persistence of Vision (POV). When an LED strip spins fast enough and its lights turn on and off at just the right times, your brain blends those quick flashes together. The result? You see a complete image - even though it’s really just a single line of lights moving in circles!
- #2491
- 11 Sep 2025
Capacitors
What is a Capacitor?
A capacitor is an electronic component that stores electrical energy in an electric field. You can think of it like a tiny rechargeable battery, but it charges and discharges much faster and can’t hold energy for very long.
- #2490
- 11 Sep 2025
Voltage regulator
Why Are Voltage Regulators Important?
They protect components from getting too much or too little voltage.
They keep the power supply stable.
They make electronic devices more reliable and last longer.
- #2489
- 11 Sep 2025
How to Drill Small Holes
What You’ll Learn:
Tools & materials needed for drilling.
Step-by-step drilling technique.
How to keep yourself safe in the process.

- #2488
- 10 Sep 2025
Beginner's Guide to Soldering
Here, we’ve listed all the tools and skills you need to solder and desolder components using THT (Through-Hole Technology).

- #2487
- 10 Sep 2025
How to Strip the Ends of a Wire
Before you connect wires in your project, you need to take off the plastic covering (insulation) at the ends so the metal wire is exposed. This is called stripping the wire. You can do it with a wire stripper or even with simple tools you may have at home.
- #2486
- 09 Sep 2025
Motor speed controller screw terminal block
In the image below, you'll see where to connect the power source and the motor to the motor speed controller.
- #2485
- 09 Sep 2025
The motors electrical contacts
In the image below, you can see the "electrical contacts" of the motor pointer with blue arrows.
- #2482
- 09 Sep 2025
FLL 2025: Rules for M15 Site Marking FIRST LEGO League 2025-2026 UNEARTHED Challenge
There’s so much yet to be discovered at this dig site. Place flags to mark locations for further study.
Sites are outlined on the mat wireframe.
- #2479
- 17 Aug 2025
FLL 2025: Rules for M14 Forum FIRST LEGO League 2025-2026 UNEARTHED Challenge
Deliver artifacts to the forum and choose a significant item to display. Consider what these artifacts tell you and what mysteries remain.
No Equipment Constraint: The mission model cannot earn points if it is touching equipment at the end of the match.
- #2478
- 17 Aug 2025
FLL 2025: Rules for M13 Statue Rebuild FIRST LEGO League 2025-2026 UNEARTHED Challenge
Reconstruct the statue to help piece together its historic significance.
No Equipment Constraint: The mission model cannot earn points if it is touching equipment at the end of the match.
- #2477
- 17 Aug 2025
FLL 2025: Rules for M12 Salvage Operation FIRST LEGO League 2025-2026 UNEARTHED Challenge
An ancient ship discovered at the beach is at risk of further decay. Excavate the vessel without damaging its delicate structure.
Sand is considered completely cleared when the pull activator is past the line on the mat.
No Equipment Constraint: The mission model cannot earn points if it is touching equipment at the end of the match.
- #2476
- 17 Aug 2025