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Launch1h ago

A Credit-Card-Sized Computer Is Now Possible

Hacker News1 min brief

In brief

  • A tiny computer the size of a credit card has been developed, featuring an ESP32-C3 chip, an e-paper display, and NFC capabilities.
    • This innovative device can function as a minimalist wallet for QR codes, an ethical hacking tool, a smart home controller, or even a secure crypto wallet.
  • The creator focused on achieving the exact thickness of a real credit card, around 1mm, to ensure it feels authentic.
  • The project highlights the challenges of miniaturization, including shaving down components and ensuring durability without compromising functionality.
  • While the initial prototype is rough, it successfully demonstrates the potential of such technology.
  • The developer plans to launch the project soon, offering updates through their website and social media.
    • This breakthrough could lead to practical applications in security, convenience, and smart technologies, pushing the boundaries of what a credit-card-sized device can do.

Terms in this brief

ESP32-C3 chip
A small and efficient microcontroller used in IoT devices, known for its low power consumption and versatility. It's commonly used in creating compact electronics like the credit-card-sized computer mentioned in the article.
e-paper display
A type of electronic display that mimics paper by using reflective technology to show text and images with high contrast and low glare, making it easy to read in direct sunlight. It's often used in devices like e-readers for its energy efficiency.

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