CarDash-Ultra_v1

Futuristic ESP32-S3 Car Dashboard with Composite Video Output

🚗⚡ CarDash Ultra v2.6

Futuristic ESP32-S3 Car Dashboard with Composite Video Output

Cyberpunk-inspired dashboard built entirely on ESP32-S3.

Real-time sensors • Composite Video • BLE Integration • Smart Fuel Assistance

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📖 About

CarDash Ultra adalah dashboard mobil futuristik berbasis ESP32-S3 yang dirancang untuk menampilkan berbagai informasi kendaraan secara real-time melalui layar AV Composite (NTSC).

Berbeda dengan dashboard DIY biasa, CarDash Ultra menggabungkan:

• Tampilan cyberpunk modern.
• Monitoring sensor kendaraan.
• Integrasi BLE dengan smartphone.
• Sistem navigasi otomatis.
• Analisis performa berkendara.
• Sistem peringatan audio cerdas.

Semua berjalan pada satu board:

ESP32-S3 N16R8 (16MB Flash + 8MB PSRAM)

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✨ Features

🚀 Real-Time Vehicle Monitoring

Speedometer

• Hall Effect Wheel Speed Sensor
• Update rate 20Hz
• Low-pass filtering
• Anti-noise ISR
• Trip odometer

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Tachometer (RPM)

• Optocoupler isolated input
• RPM warning zone
• Critical RPM detection
• Shift light indicator

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Engine Temperature

• DS18B20 sensor
• Overheat warning
• Critical temperature alert

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Battery Voltage Monitor

• Real-time voltage reading
• Weak battery detection
• Audio warning

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Fuel Monitoring

• Fuel sender support
• Fuel percentage
• Remaining liters
• Estimated driving range
• Fuel consumption calculation

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Gear Detection

Supports:

• R
• N
• 1
• 2
• 3
• 4
• 5

Using Hall Effect sensors.

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G-Force Meter

Displays acceleration forces from:

-2G  ←──── 0 ────→ +2G

Calculated from Hall speed delta.

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Trip Computer

Displays:

• Current trip distance
• Total odometer
• Engine hours
• Fuel efficiency
• Lap count

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🗺 Smart Fuel Assistant

One of CarDash Ultra's flagship features.

When fuel becomes low:

1. Dashboard detects fuel level.
2. Checks BLE connection.
3. Gets GPS position.
4. Automatically searches:

SPBU Pertamina terdekat

5. Sends navigation request to smartphone.
6. Opens Google Maps.

No need to manually search for fuel stations.

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🔔 Intelligent Alert System

Passive buzzer with different warning patterns.

Condition	Pattern
Low Battery	1 Long Beep
Engine Warning	2 Medium Beeps
Engine Critical	3 Long Beeps
Overspeed	4 Fast Beeps
Critical Fuel	5 Fast Beeps

Cooldown system prevents alert spam.

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📈 Speed History Graph

Displays:

• Last 60 seconds speed history.
• Waveform animation.
• Color coded bars.

Color indicators:

🟦 Normal

🟨 Moderate

🟧 Fast

🟥 Overspeed

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📱 BLE Smartphone Integration

Powered by:

ChronosESP32

Features:

• Notification mirroring
• Weather synchronization
• Clock synchronization
• Navigation data
• Smartphone connectivity status

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🎨 User Interface

Inspired by futuristic vehicle dashboards.

Features:

• Cyberpunk design
• Cyan glow accents
• RPM arc visualization
• Speed centered layout
• Dynamic shift lights
• Animated waveform
• Navigation widgets
• Notification popups
• Night mode dimming

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🛠 Hardware Requirements

Main Controller

• ESP32-S3 N16R8

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Sensors

• DS18B20 Temperature Sensor
• A3144 Hall Effect Sensor (Speed)
• Hall Effect Sensors (Gear)
• GPS Module
• Passive Buzzer
• Fuel Sender
• Optocoupler PC817

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Display

• AV Composite Display
• NTSC 720×480

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🔌 GPIO Pinout

GPIO	Function
GPIO4	RPM Input
GPIO5	DS18B20
GPIO6	Battery Voltage
GPIO7	GPS RX
GPIO8	GPS TX
GPIO9	Fuel Sender
GPIO10	Hall Speed Sensor
GPIO11	Passive Buzzer
GPIO21	Gear 1
GPIO22	Gear 2
GPIO35	Gear 3
GPIO36	Gear 4
GPIO37	Gear 5
GPIO38	Reverse Gear

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📚 Libraries

Required Arduino libraries:

• LVGL v9.x
• LovyanGFX
• ChronosESP32
• TinyGPS++
• OneWire
• DallasTemperature
• Preferences

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⚙ Arduino IDE Settings

Setting	Value
Board	ESP32S3 Dev Module
CPU Frequency	240 MHz
Flash Size	16 MB
PSRAM	OPI PSRAM
USB Mode	CDC and JTAG
Partition	Huge APP
Flash Mode	QIO

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📸 Screenshots

Place screenshots inside:

docs/

Example:

docs/dashboard-ui.jpg
docs/wiring-diagram.png
docs/speed-graph.jpg

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🏁 Project Goals

CarDash Ultra was created to explore how far an ESP32-S3 can be pushed beyond traditional IoT applications.

The project aims to combine:

• Automotive telemetry
• Embedded systems
• Real-time graphics
• Smartphone integration
• Futuristic interface design

into a single open-source platform.

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⚠ Disclaimer

This project is intended for educational and experimental purposes.

It is NOT certified for safety-critical automotive applications.

Use at your own risk.

Always verify sensor readings before relying on them while driving.

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🤝 Contributing

Contributions are welcome.

You can help by:

• Improving UI performance.
• Adding CAN Bus support.
• Supporting OBD-II adapters.
• Optimizing composite rendering.
• Reporting bugs.
• Suggesting new features.

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🗺 Future Roadmap

• OBD-II Integration
• CAN Bus Support
• Tire Pressure Monitoring
• Bluetooth Music Widget
• Voice Assistant
• Reverse Camera Overlay
• AI Driving Assistant
• Theme Customization
• OTA Updates

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⭐ Support This Project

If you like this project:

⭐ Star this repository

🍴 Fork it

🐛 Report issues

💡 Suggest ideas

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Built with ❤️, caffeine, and countless debugging sessions.

CarDash Ultra v2.6

"Turning an ESP32 into a futuristic driving experience."