Building a Pomodoro web app with Claude Opus 4.6 | Alpha | PandaiTech

Building a Pomodoro web app with Claude Opus 4.6

Watch a demonstration of building a simple Pomodoro Timer web app with complex logic using just a single prompt with the Claude Opus 4.6 model.

Learning Timeline
Key Insights

The Advantage of Claude 4.6 One-Shot Coding

Unlike previous models (such as 4.5) that often struggled with the 'Add Timer' button logic, Claude 4.6 is more consistent in handling applications requiring complex state management—such as running multiple timers simultaneously—from just a single instruction.

Automatic Bug Resolution

Claude 4.6 automatically builds an interface that includes time presets, making it easier for users to add timers without needing complicated manual input—a task that typically required additional debugging in older models.
Prompts

Complex Pomodoro App Generation

Target: Claude 4.6
Build a simple Pomodoro timer app with start, pause, and reset buttons and the ability to add multiple timers.
Step by Step

Building a Multi-Timer Pomodoro App with Claude 4.6

  1. Open the Claude interface and ensure you select the Claude Opus 4.6 model.
  2. Enter a specific prompt to build a 'Pomodoro Timer' app that supports Start, Pause, and Reset buttons, along with the ability to add multiple timers.
  3. Click the 'Send' button to begin the one-shot code generation process.
  4. Wait for Claude to finish generating the entire application code within the Artifacts window.
  5. Test the basic functionality on the first timer by clicking 'Start', then 'Pause' and 'Reset' to ensure the logic is working correctly.
  6. Try adding a new timer by entering a duration (e.g., 5 minutes for a break) and clicking the 'Add Timer' button.
  7. Verify that each added timer has independent controls and can run simultaneously without interfering with other timers.

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