Hub Disconnected
📌 0 nodes
🔗 0 wires
🖱 0, 0
Drag palette → canvas  |  Click port → drag → port  |  Del = delete  |  Scroll = zoom  |  Space+drag = pan
Node
🗑 Delete Node
⧉ Duplicate
✂ Delete Wires

⬇ Export Python — LEGO Mindstorms 51515

Copy this code to a .py file and run it on your LEGO Robot Inventor Hub using the LEGO Education SPIKE app or direct USB upload via ampy / rshell.

📖 NodeFlow Help

Building Programs
• Drag nodes from the left sidebar onto the canvas.
• Connect nodes by clicking an output port (right side) then clicking an input port (left side).
• White ports = execution flow  |  Blue = numbers  |  Green = booleans  |  Yellow = strings
• Click on a wire to select it, then press Del to remove it.
• Click a node to select it, then press Del to delete it.

Canvas Navigation
• Scroll to zoom  |  Space+drag to pan  |  Middle-click drag to pan.

LEGO Mindstorms 51515
• Click Connect Hub to connect via USB using Web Serial API.
• Every program must start with a Start node.
• Use Export .py to download MicroPython for the hub.
• The exported file uses the mindstorms module from LEGO Education.

Running on the Hub
• Open LEGO Education SPIKE app → My Files → Upload your .py file.
• Or use: ampy --port COM3 put program.py /projects/program.py
100%
📊 Status
📟 Hub Output 0
Web Serial API
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Checking…
Hub Connection
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No hub connected yet.
Baud Rate
—
Serial speed for hub REPL communication.
Messages Received
0
Lines received from hub this session.
How to use the Console
1.Click Connect Hub in the toolbar — your browser will ask which USB port to use.
2.Once connected, switch to Hub Output to see live print() output and errors from your program.
3.Build your flow, click Export .py, then upload to the hub via the LEGO SPIKE app or ampy.
No output yet — connect the hub to see live data here.