▶️ Watch the full video walkthrough on YouTube: Master the Spike Prime Robot Simulation with GhummanTech's Code Playground Tutorial

Learn how to use GhummanTech’s Code Playground to simulate and control your Spike Prime robot using Python and intuitive motion controls. This tutorial covers everything from basic movement to precise angle programming.

Introduction

Welcome back, developers! If you're working with the LEGO Spike Prime robot or exploring robotics in Python, then this tutorial is for you. Today we’re diving into GhummanTech’s Code Playground, a powerful simulation tool that allows you to write code, simulate robot behavior, and even connect directly to your physical Spike Prime unit via Bluetooth.

Whether you're a beginner looking to understand how to move your robot or an experienced developer aiming to build accurate motion sequences, this guide will walk you through everything you need to know — step by step.

Accessing the Code Playground

To get started, open your browser and navigate to comment.com. Once there, click on the menu tab and look for the Tools section. You'll find the Code Playground listed as the second option.

Here's what you’ll see when you land in the playground:

  1. Python Playground Tab: Write and run Python code directly.
  2. Robot Simulation Tab: Simulate robot behavior without hardware.
  3. Spike Prime Lab Tab: Connect to your actual Spike Prime via Bluetooth for real-world control.

Writing Your First Python Code

Let’s start by writing a simple Python script in the first tab. For example:

print("Hello, World!")

To execute this code, click the Run button. You’ll see output in the console below.

💡 Tip: In Python, always call functions explicitly (like print()), otherwise they won't execute unless invoked.

Controlling Your Robot with Spike Prime Lab

Now let’s explore how to control your physical Spike Prime robot using the Spike Prime Lab tab.

Connecting via Bluetooth

Before controlling anything, make sure:

  • Your Spike Prime is powered on.
  • It's within Bluetooth range (usually up to 10 meters).

Click Connect in the lab interface — you’ll be prompted to allow Bluetooth permissions. Once connected, you’re ready to simulate or control movements.

Manual Control Using Arrow Keys

In this mode, you can manually drive your robot using arrow keys:

  • Press and hold the up arrow key to move forward.
  • Release it to stop.
  • Use the left/right arrows for turning.

Once you’ve moved the robot, scroll up to find the Add Motion Step button. Clicking this adds your movement to the code list automatically.

Example: Drawing a Square

Here’s how to create a square path:

  1. Move forward → press up arrow key, then click Add Forward
  2. Turn right 90 degrees → press right arrow key, then click Add Turn
  3. Repeat steps 1 and 2 three more times

This process builds an accurate square path using intuitive controls.

Simulating Without Hardware

If you don’t have access to a Spike Prime, the Robot Simulation tab is perfect for testing your logic.

You can:

  • Run pre-defined programs
  • Modify motion paths manually
  • Add steps and watch real-time simulation

The simulation uses yaw angle-based turns, which are extremely precise — ideal for tasks requiring accuracy like navigation or mapping.

Programming Precision with Angles

One of the standout features of Code Playground is its ability to define custom angles instead of fixed movements. For instance:

Instead of moving forward and then turning 90 degrees, you can set a turn to exactly 45 degrees.

This gives developers full control over robot trajectories and makes it easier to create complex mazes or paths.

Best Practices & Tips

Here are some key takeaways for mastering the Spike Prime with Code Playground:

  • Always test your logic in simulation before connecting to hardware.
  • Use Add Motion Step for quick prototyping.
  • Combine manual and automated controls for faster development.
  • Save up to 20 programs using the programming slots on the Spike Prime.

Conclusion

With GhummanTech’s Code Playground, learning robotics has never been more accessible or engaging. Whether you're simulating robot behavior or commanding real hardware, this tool empowers developers and educators alike to build smarter automation projects.

So go ahead — try creating your own missions, experiment with angles, and see where your robotic journey takes you!

Happy coding,

The GhummanTech Team