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