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cardputer

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Cardputer-ADV-CSI-Radar

Radar V2.0 is a high-performance Wi-Fi CSI (Channel State Information) sensing and security system built for the M5Stack Cardputer and Cardputer ADV (ESP32-S3). By analyzing multipath radio-wave reflections and Fresnel zone distortions across 16 to 32 OFDM subcarriers, it detects motion, breathing, and spatial presence inside rooms and through wall

  • Updated Oct 17, 2026

This began as a little enhancement and polish added to Matteo Forlani's M5Stack Cardputer concept implementation of Peanut-GB; then I decided I might as well just finish it myself when the original project was archived. I wound up creating my own Walnut-CGB enhanced implementation which powers Gameboy Enhanced Firmware.

  • Updated Sep 10, 2026
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