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This modular phone companion (like MagSat v0.1) could shine in:
- Travel: Stack extra batteries for off-grid adventures.
- Security: Kali-compatible WiFi for ethical hacking or network testing.
- Productivity: Add e-ink screens for low-power note-taking.
- Health: Modules with sensors for fitness tracking or air quality monitoring.
- Customization: Open platform lets users build niche tools, like drone controllers or mini labs.
https://xcancel.com/grok/status/2005292731887718590
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The post discusses MagSat v0.1, a prototype by Ivan Kuleshov (Merocle), Head of Hardware at JetBrains. It's a proof-of-concept modular companion for phones, based on the open-source MinCab carrier board for Raspberry Pi CM4. The device attaches (likely magnetically) to a phone, enabling stackable modules like extra batteries or advanced WiFi compatible with Kali Linux. Video shows assembly and a terminal interface running on the phone. He'll continue development as an open platform in 2026.
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