root
281 lines
3.5 KiB
Markdown
281 lines
3.5 KiB
Markdown
# Hardware Status
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Last Updated: 2026-06-03
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## Dashboard Hardware
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### Raspberry Pi Pico 2 W
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Status:
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- Ordered
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Purpose:
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- Dashboard controller
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- Touchscreen UI
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- Audible alarms
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- UART communications
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Notes:
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- Waiting for delivery
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--------------------------------------------------
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### 3.5 Inch Touchscreen
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Display Controller:
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- ST7796S
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Touch Controller:
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- FT6336U
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Status:
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- Ordered
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Purpose:
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- Main dashboard display
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Testing Required:
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- Display initialization
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- Touch functionality
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- Performance testing
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--------------------------------------------------
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### Active 5V Buzzer
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Status:
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- Ordered
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Purpose:
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- Audible alarms
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Testing Required:
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- Alarm volume
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- Dashboard mounting location
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--------------------------------------------------
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## Controller Hardware
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### ESP32 2-Channel Relay Board
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Status:
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- On Hand
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Purpose:
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- Relay control
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- Sensor collection
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- Communications
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Known Information:
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GPIO16 = Relay Output 1
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GPIO17 = Relay Output 2
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Relay ON = HIGH
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Relay OFF = LOW
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Testing Required:
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- Verify relay operation
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- Verify startup behavior
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--------------------------------------------------
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## Communications Hardware
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### CAT5 Cable
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Status:
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- On Hand
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Purpose:
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- Dashboard power
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- UART communications
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- Ignition sense
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--------------------------------------------------
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### RS485 Modules
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Status:
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- Ordered
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Purpose:
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- Future fallback communication
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Current Plan:
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- Not used initially
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Testing Required:
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- Only if UART proves unreliable
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--------------------------------------------------
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## Sensor Hardware
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### DS18B20 Waterproof Sensors
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Quantity:
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- 4
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Status:
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- Ordered
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Assignments:
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Sensor 1
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- Fridge Zone 1
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Sensor 2
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- Fridge Zone 2
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Sensor 3
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- Rear Seat Area
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Sensor 4
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- Outside Air
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Testing Required:
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- Address discovery
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- Temperature validation
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--------------------------------------------------
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## Power Hardware
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### 12V To 5V Buck Converter
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Status:
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- Planned
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Purpose:
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- Dashboard power
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Requirements:
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Input:
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- Vehicle 12V
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Output:
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- 5V
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Recommended:
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- 3A minimum
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--------------------------------------------------
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### Bosch Relays
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Status:
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- Planned
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Purpose:
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- Starlink power
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- Fridge power
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Future:
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- Inverter
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- Camp lights
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Requirements:
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- 30A or 40A automotive relays
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--------------------------------------------------
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### Fuse Block
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Status:
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- Planned
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Purpose:
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- Circuit protection
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--------------------------------------------------
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## Future Hardware
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### JBD / Xiaoxiang BMS
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Status:
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- Existing battery system
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Purpose:
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- Battery monitoring
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Future Integration:
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- BLE communications
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--------------------------------------------------
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### ELM327
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Status:
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- Future
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Purpose:
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- OBD-II integration
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--------------------------------------------------
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### GPS Module
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Status:
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- Future
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Purpose:
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- Vehicle tracking
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- Trip logging
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--------------------------------------------------
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## Bring-Up Checklist
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ESP32
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[ ] Verify relay outputs
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[ ] Verify WiFi AP
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[ ] Verify HTTP status endpoint
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[ ] Verify DS18B20 support
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Pico
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[ ] Display test
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[ ] Touch test
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[ ] Buzzer test
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[ ] UART communications
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Vehicle
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[ ] Install CAT5 run
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[ ] Install buck converter
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[ ] Install relays
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[ ] Install sensors
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[ ] Install dashboard enclosure
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--------------------------------------------------
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## Notes
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Current Communication Plan:
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Primary:
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- UART over CAT5
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Backup:
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- WiFi HTTP API
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Fallback:
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- RS485
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Current UI Plan:
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- Touchscreen only
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- No physical buttons required
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Current Logging Plan:
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- No persistent logging planned
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- Focus on live monitoring and alarms
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