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How to watch the fish brain decide in the PC simulator with Pocket Tank

Run the desktop simulator to see the model's goals and urgencies drive a virtual tank, with no board needed.

Who it is forA developer or hobbyist with a PC who wants to see how a small on-device language model picks fish behavior before buying hardware.

The problemReading about a 14M-parameter model on a microcontroller is hard to picture without seeing the decisions happen.

The outcomeA running tank on your PC where each fish's state line is answered with a goal and urgency, and you can see fish hesitate when the model is unsure.

What you need first

  • A PC to read the code and run the simulator (the README points to a PC simulator section)
  • A C compiler on your PC for the simulator build (inferred)
  • A supported Waveshare board for real hardware: 1.8-inch, pendant, watch, or square (the board costs about $35 per the README)
  • A USB cable for the first install; later updates come over Wi-Fi from v0.3

Steps

  1. Clone the repo: git clone https://github.com/mediacutlet/pocket-tank (inferred) (inferred, check the README)
  2. Open the README section 'Try it: PC simulator' and follow its build steps
  3. Start the simulator and tap a fish to open its stats card
  4. Compare the state line in the README with what the simulator shows for the same fish
  5. Watch for a fish that pauses before committing and note the urgency it reports

Prompt for your agent

Use the mediacutlet/pocket-tank repo on GitHub. Follow the 'Try it: PC simulator' section to build and run the simulator on this machine, then report the goal and urgency the model assigns to the first fish you see. Verify that the simulator runs without error and that a state line appears for at least one fish.

Caveat. The README shows the simulator as a section but the exact build commands are not in the excerpt, so you must read that section before running anything.

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