LoRa Asset Tracking System — Indoor & Outdoor Equipment Monitoring
A LoRa-based asset tracking system for a construction conglomerate monitoring 1,200 pieces of equipment across 8 sites — reducing equipment search time from 2 hours to 2 minutes and eliminating $400K/year in replacement purchases for "lost" assets.
⚠The Problem
A construction company managing 1,200 pieces of equipment (generators, compressors, scaffolding, tools) across 8 active sites was spending 2+ hours per day per site searching for misplaced equipment. Equipment was frequently moved between sites without authorization. "Missing" assets were repurchased, costing $400K annually — most were later found on wrong sites. Equipment maintenance was on a calendar schedule regardless of actual usage hours.
💡Our Solution
We attached compact LoRa asset tags (IP67 waterproof, 3-year battery) to every piece of equipment using magnetic mounts. On each site, 4–8 LoRa anchor gateways provide coverage. A Python RSSI triangulation engine calculates equipment position with 5–10m accuracy (zone-level for outdoor, room-level for indoor). The accelerometer detects unauthorized movement and fires immediate tamper alerts. Usage hours are calculated from movement patterns, feeding a usage-based maintenance schedule. The React dashboard shows all 1,200 assets on a zoned site map — searchable by name, type, or status.
🔗System Architecture
Asset Tags (LoRa) → Anchor Gateways → MQTT → Node.js Backend → PostgreSQL + Redis → React Site MapTech Stack
- ESP32 + LoRa asset tags (compact, IP67)
- LiFePO4 battery (3-year life)
- Accelerometer for tamper/movement detection
- LoRa anchor gateways (indoor + outdoor)
- Magnetic mount for metal assets
- LoRa 433/868MHz (no cellular required)
- RSSI-based position estimation
- MQTT backhaul via site Wi-Fi or 4G
- Node.js backend (asset registry)
- PostgreSQL (location history)
- Redis (real-time asset positions)
- Python RSSI triangulation engine
- React site map dashboard
- Asset search and filter
- Utilization rate analytics
- Maintenance schedule integration
Key Features
Results Delivered
- Asset search time reduced from 2 hours to 2 minutes
- $400K/year equipment replacement purchases eliminated
- Cross-site unauthorized transfers caught: 34 incidents in first 6 months
- Maintenance compliance rate improved from 60% to 95%
- 1,200 assets tracked across 8 sites on a single platform
Technologies
Who This Is For
Construction companies, warehouse operators, hospitals (equipment tracking), oil & gas sites
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