Initial project structure

.gitignore

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+__pycache__/
+*.pyc
+.vscode/
+.idea/
+.env
+.DS_Store
+build/
+dist/

README.md

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+# Xterra Overland Power & Monitoring Dashboard
+
+A custom monitoring and control system for a Nissan Xterra using:
+
+- Raspberry Pi Pico 2 W dashboard interface
+- ESP32 cargo-area controller
+- Touchscreen dashboard
+- Lithium battery monitoring
+- Fridge monitoring
+- Relay control
+- Future vehicle telemetry integration
+
+## Project Phases
+
+1. Desktop simulator
+2. Pico touchscreen UI
+3. ESP32 communications
+4. Temperature sensors
+5. JBD/Xiaoxiang BMS integration
+6. Logging and dashboards