overland-controller/docs/roadmap.md

Roadmap

Phase 1: Solid Local Cargo Controller

• Reliable relay control
• Reliable DS18B20 temps
• Reliable JBD/Xiaoxiang BMS BLE
• WPA2 AP mode
• Stable WebUI
• Stable HTTP API
• Clear status/config/control model

Phase 2: Waveshare ESP32-S3 Dashboard

• LVGL project scaffold
• WiFi client to Cargo ESP32 AP
• Poll /status
• Display battery, relays, temps, and alarms
• Send relay commands
• Handle offline/stale/failed-command states

UI direction:

• Dark theme
• Large readable text
• Circular SOC gauge
• Card-based layout
• Smooth subtle animations
• No stock LVGL demo look

Phase 3: Vehicle Data

• Connect Waveshare CAN to OBD-II CAN-H/CAN-L
• Keep CAN termination disabled
• Read coolant temp via PID 0105
• Read RPM via PID 010C
• Read vehicle speed via PID 010D

Phase 4: Transmission Temperature

• Install dedicated sender
• Read through exposed ADC or ADS1115 over I2C
• Convert resistance to temp with lookup interpolation
• Add alert thresholds

Phase 5: Future Home Server

• Cargo ESP32 outbound connection
• Remote read-only dashboard first
• Optional commands later
• HTTPS reverse proxy/PWA
• Possible MQTT/WebSocket bridge
• Optional Grafana/Home Assistant/InflDB

Phase 6: Optional Enhancements

• microSD logging
• GPS
• OTA updates
• Dashboard alert sounds
• More vehicle PIDs
• Historical charts