Engineering deep-dives.
Real hardware. Real code.
Technical articles from the Inurum engineering team — IoT hardware design, embedded firmware, telematics protocols, and fleet systems built and shipped.
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Vehicle Diagnostics & Telematics with ESP32-S3
Multi-protocol integration across J1939, OBD-II, and J1708 for comprehensive vehicle diagnostics. The ESP32-S3 acts as central controller — reading CAN bus data, RS485, and GPS from a Quectel LC86G module for real-time vehicle tracking.
The Versatile Quectel BG95 for IoT Applications
Real-world deployments of the BG95 board — from vending machine stock monitoring with online payments, to vehicle CAN bus trackers for fleet diagnostics in the USA market.
ELD NT11 — Bluetooth & Wi-Fi Based Logging Device
Electronic Logging Device built to FMCSA compliance. Eliminates paper logs, prevents HOS violations, and surfaces real-time fleet performance data through Bluetooth and Wi-Fi connectivity.
IoT Product Development Cost in India — 2026 Guide
Complete breakdown of IoT development costs — PCB design, firmware, mobile app, and cloud backend pricing explained with real numbers from an engineering team.
RFID Attendance System with ESP32 — Architecture & Edge Firmware
Production RFID attendance system built using ESP32, MQTT, TimescaleDB and Flutter — replacing biometric scanners that failed in dust and humidity for 350+ workers.
RFID Attendance System — Flutter Kiosk App & Live Demo
Production RFID attendance kiosk built using Flutter on Android — offline-first architecture, voice feedback TTS, auto check-in/out, and real-time cloud sync with YouTube video demo.
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