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Demo Launcher

Plug a board in and press one button. Each demo runs in seconds, and the code is right here to read or take away.

Everything happens in this browser tab. Nothing you type leaves your computer.

Connect a board to see which of these it can run

Rainbow lights

The same three lines of code. Three lights here, twenty-five on the other board.

Nothing to plug inReady in about 1s

Press Run. Press Stop when you have made your point.

Spirit level

Physics you can hold. The screen is a spirit level.

Nothing to plug insheenbot∞ onlyReady in about 2s

Press Run, then tilt the board. The bubble follows gravity.

Your name, scrolling

Your school’s name, scrolling, in two seconds.

Nothing to plug insheenbot π onlyReady in about 2s

Type a short name — letters and numbers only — and press Run.

Robot faces

The screen is a face. Children write the feelings.

Nothing to plug inReady in about 2s

Press Run and let it cycle. The faces are drawn from rectangles and lines — the code is on this page.

Touch the letters

Touch a letter — your finger is the input.

Nothing to plug insheenbot∞ onlyReady in about 2s

Press Run, then hand the board over and let them touch the six pads.

The board speaks

Type the school’s name. The board says it.

Nothing to plug insheenbot∞ onlyReady in about 2s

Nothing to plug in — the speaker is on the board. Type a name and press Run.

It hears you

Clap. It hears you, counts, and says the number.

Nothing to plug insheenbot∞ onlyReady in about 3s

Press Run and wait a second while it listens to the room, then clap.

A loop draws a star

Real geometry — a loop and a turn, drawing a star.

Nothing to plug inReady in about 3s

Press Run and watch the pen. Five lines, five turns of 144 degrees.

It plays a song

Fourteen songs are already in the firmware. Pick one.

Needs a buzzer moduleReady in about 5s

Needs a buzzer module. Plug it in, choose its port, pick a song and press Run.

Two boards talking

Two boards, no wires, no WiFi. That’s a classroom network.

Needs a second boardReady in about 20s

Needs a second board. Follow the four steps on the card — the page waits for each one.

If something does not work

  • Use the cable that came with the board. A charging-only cable looks identical and carries no data — this is the most common problem by far.
  • Only one tab can hold the board at a time. Close the coding canvas or Board Rescue first.
  • Stop always works, and leaves the screen and lights clear for the next demo.
  • No board with you? Every demo’s code is on this page to read and copy.