Core Service
IoT System Development
Connected system design spanning devices, firmware, communications, data flow, and operator-facing interfaces.
- Connected device architecture
- Sensor integration
- Firmware development
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AutomationClient ProjectDeployed
Vehicle Ignition-Based Accessory Controller
A compact vehicle accessory controller that detects ignition-key state and automatically switches connected devices such as LED displays, TVs, or other 12 V accessories.
A microcontroller-based automotive control unit designed to detect vehicle ignition state and safely control connected accessories through relay switching.
Project Snapshot
- Category
- Automation
- Project Type
- Client Project
- Status
- Deployed
- Date
- May 9, 2025
- Application Areas
- Vehicle Electronics, Automation, Accessory Control
- Related Services
- Embedded Systems Development, Hardware Prototyping, IoT System Development
Implementation Notes
Overview
The Vehicle Ignition-Based Accessory Controller is a compact embedded control unit designed to operate electrical accessories according to the vehicle’s ignition-key state.
It can automatically turn connected devices on or off when the vehicle is started or stopped.
How It Works
The controller monitors the vehicle ignition signal and uses a relay output to control the connected appliance.
Ignition State → Microcontroller → Relay → Vehicle Accessory
This allows accessories such as:
- LED display boards
- TVs
- information displays
- lighting systems
- other vehicle-mounted electrical devices
to operate automatically without requiring separate manual switching.
Hardware
- Arduino Nano microcontroller
- automotive relay
- ignition-signal detection circuit
- 12 V input/output connections
- power-conditioning electronics
- fuse protection
- compact enclosure
Key Features
- automatic ignition-state detection
- relay-based accessory switching
- compact embedded design
- suitable for 12 V vehicle systems
- reduces manual operation
- easy integration with different vehicle accessories
- robust enclosure for practical installation
Current Status
The system was developed as a completed working prototype for automatic vehicle accessory control.
Although small in size, it provides a practical solution for reliably managing electrical devices based on vehicle operation.
Related Services
Firmware & Device Logic
Embedded Systems Development
Firmware-focused development for microcontroller-based systems, sensor interfaces, device logic, and hardware integration.
- ESP32 firmware development
- Embedded C/C++ implementation
- UART, I2C, SPI, and GPIO integration
Proof of Concept
Hardware Prototyping
Prototype-oriented engineering for evaluating sensors, modules, power approaches, and early connected-system ideas.
- Proof-of-concept development
- Sensor evaluation
- Microcontroller selection
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