VIN Scanner
Camera-based VIN scanning using Google ML Kit with automatic decoding of year, make, model, engine, and engine code. Includes manual entry fallback and OCR correction logic.
Platform Overview
Enterprise Technician Workflow System
Replacing Paper Workflows With Digital Operations
Precision FieldOS is a professional field-service application designed for Precision Mobile Detailing LLC. The platform replaces manual checklists, handwritten notes, and disconnected tools with a complete technician workflow system.
Built around real-world mobile service operations, the app manages vehicle identification, VIN intelligence, oil service workflows, interior detailing procedures, documentation, pricing, and job completion.
VIN Intelligence
Vehicle decoding, service history, and automated specifications.
Guided Workflows
Step-by-step technician processes with validation.
Digital Records
Photos, notes, invoices, and complete job history.
Vehicle Intelligence
VIN Intelligence System
VIN History System
Every scanned VIN becomes a complete vehicle record with service history, photos, mileage logs, technician notes, and timestamps. Previous vehicle information loads instantly when the same vehicle returns.
Local Vehicle Database
The application includes an offline vehicle database containing oil viscosity, oil capacity, and filter information. Technicians can access critical specifications without an internet connection.
VIN Fallback System
Multi-layer fallback processing including checksum validation, character correction, OCR confidence scoring, retry logic, and improved handling of glare, reflections, and damaged VIN plates.
Service Automation
Oil Change Workflow
Complete Oil Service Management
After scanning a VIN, Precision FieldOS automatically loads vehicle information and oil specifications. Technicians follow a guided workflow with timers, checklists, required photos, and completion validation.
Service Checklist
- Oil drained
- New filter installed
- Drain plug inspection
- Correct oil filled
- Oil life reset
- Final leak inspection
Required Documentation Photos
- Odometer reading
- Dipstick level
- Drain plug inspection
Jobs cannot be completed until required steps and documentation are finished. Once completed, the system saves the service, calculates pricing, generates an invoice, and records completion.
Detailing Operations
Interior Detail Workflow
Before Photo Matrix
Required pre-service photos for Driver Seat, Passenger Seat, Driver Rear, Passenger Rear, and Trunk areas document the vehicle condition before work begins.
After Photo Matrix
Matching completion photos provide visual proof of completed work and are permanently connected to the job record.
Live Job Timer
Automatically tracks service duration while continuously saving progress during longer detailing appointments.
Checklist & Add-Ons
Supports required cleaning steps, optional upgrades, and automatic validation before a job can be completed.
Workflow Protection
Job Management & Recovery
Persistent Job Recovery
Precision FieldOS automatically saves vehicle information, VIN data, mileage, photos, checklist progress, timers, selected services, and technician notes.
If the application closes during a service, technicians can instantly recover their active job without losing progress. Every service remains protected from interruption.
Business Automation
Pricing & Invoicing Engine
Automatic Pricing
Supports interior detailing packages, premium services, heavy interior cleaning, oil changes, and service add-ons. Totals are calculated automatically based on completed work.
Invoice Generation
Completed jobs automatically generate invoices, store completion timestamps, and maintain a permanent service record.
Image Management
Required service photos are captured, uploaded, and linked directly to each vehicle and appointment history.
Offline-Friendly System
Vehicle data remains available locally. Internet access is primarily used for synchronization, uploads, and invoice delivery.
Future Development
Next Major Development
The next major update focuses on making the VIN scanner enterprise-grade with advanced OCR processing, confidence scoring, checksum validation, error correction, improved glare handling, and intelligent fallback systems.