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esp32-hacking/TODO.md

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ESP32 Hacking TODO

Firmware Features

  • UDP command listener (reboot, identify, status, rate)
  • LED status indicator
  • OTA firmware updates
  • Adaptive sampling rate
  • BLE scanning
  • mDNS auto-discovery
  • On-device wander calculation
  • Chip temperature reporting
  • WiFi reconnect on disconnect
  • Configurable target IP/port via command

Tools

  • esp-cmd CLI tool to send commands to sensors
  • Flash script for OTA updates
  • Sensor discovery script (find all ESP32s on network)

Testing

  • Benchmark: CSI callback latency
  • Benchmark: UDP throughput at different rates
  • Test: WiFi reconnect reliability
  • Test: BLE + WiFi coexistence impact on CSI

Documentation

  • Pin mapping for ESP32-DevKitC V1
  • Memory usage analysis (heap, stack)
  • Power consumption measurements
  • Compare CSI quality: passive (router) vs active (ESP-NOW)

Ideas

  • WiFi probe request capture — sniff client SSID searches via promiscuous mode
  • ESP-NOW mesh for direct ESP32-to-ESP32 CSI
  • External PIR sensor for CSI ground truth validation
  • Battery + deep sleep mode for portable deployment
  • Web-based firmware configurator (WiFi credentials, UDP target)
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