20 posts
Complete guide to ultra-low power operation for Arduino Pro Mini 3.3V 8MHz – Power-Down Mode with current consumption as low as 5µA. Includes wake-on-interrupt, timed wake-ups, and power optimization techniques.
Advanced LoRa receiver for Heltec V3 (ESP32-S3) with dual-core architecture – FreeRTOS inter-core communication, message queuing, CRC validation, and offline message storage with automatic retry on WiFi reconnect.
A technical analysis of why the RP2040 excels in solar-powered and battery-operated applications – wide operating voltage range, ultra-low deep sleep current, and built-in ADC for monitoring. Includes a complete autonomous example.
A comprehensive guide to building a production-ready LoRa receiver on the Heltec V3 (ESP32-S3) with SX1262 radio, 128x64 OLED display, and real-time signal monitoring (RSSI/SNR). Includes CRC validation, message queuing, and dual-core architecture.
A production-grade guide to building a complete monitoring stack with Prometheus, Grafana, cAdvisor, and Pushgateway – designed for industrial IoT, edge devices, and bare-metal servers.
A practical guide to containerising your open‑source IoT backend with Docker and Docker Compose. Covers multi‑service orchestration, Dockerfiles, best practices for production, and scaling strategies.
A comprehensive guide to predictive maintenance using AI, IoT sensors, and centralised intelligence. Covers architecture, AI/ML models, implementation roadmap, real-world use cases, and future trends. Includes N3xar's approach to proactive monitoring.
A comprehensive guide to synchronisation strategies for reliable communication in large-scale IoT networks. Covers collision causes, chaotic vs. synchronized transmission, LoRa-specific considerations, and N3xar's SyncMaster solution.
A comprehensive comparison of deployment options for IoT systems. Covers advantages, disadvantages, cost analysis, security considerations, compliance, hybrid approaches, and decision frameworks. Includes N3xar's multi-model implementation.
A practical comparison of open vs. proprietary IoT systems — exploring flexibility, cost, vendor lock‑in, security, and business models. Includes a decision framework and real‑world examples to help you choose the right approach for your project.
A comprehensive comparison of smart nodes (distributed intelligence) vs. dumb nodes (centralized orchestration) in IoT systems. Explore trade-offs in reliability, scalability, power, and cost, with real-world examples and a decision framework.
A comprehensive guide to selecting the right microcontroller for IoT applications. Compare ESP32, STM32, RP2040, Raspberry Pi, and more across power, performance, connectivity, and cost. Includes decision frameworks and real-world use cases.
A comprehensive guide to selecting the right IoT communication protocol. Compare Wi-Fi, LoRaWAN, Cellular, BLE, Zigbee, Z-Wave, Thread, NB-IoT, and more with real-world decision frameworks and use cases.
A practical guide to designing battery-powered IoT devices with years of battery life. Covers MCU selection, sensor power optimisation, duty cycling, and real-world examples with STM32, LoRa, and BLE.
A comprehensive guide to designing a flexible, scalable IoT device ecosystem. Explore device types (sensors, cameras, security systems, industrial machinery), measurement capabilities (environmental, digital, software sensors), and integration principles with real-world examples from the N3xar platform.
A comprehensive guide to designing reliable IoT networks. Covers data transmission fundamentals, collision management, synchronized vs. chaotic transmission, LoRa vs. Wi-Fi protocol selection, and critical reliability features including automatic restart, store-and-forward, OTA updates, and QoS.
A comprehensive guide to deploying IoT server infrastructure. Compare SaaS, self-hosted, and dedicated server models with their advantages, disadvantages, costs, and decision frameworks. Includes N3xar's multi-model approach and Docker deployment examples.
A comprehensive guide to essential IoT platform capabilities including real-time analytics, energy efficiency, flexible deployment, responsive UI, multi-channel alerts, hierarchical management, and enterprise-grade security. Based on the N3xar platform implementation.
A comprehensive guide to cloud integration decisions for IoT systems. Compare cloud and on-premise deployment with their advantages, disadvantages, and decision frameworks. Includes hybrid approaches, real-world scenarios, and N3xar's multi-model implementation.
A comprehensive guide to integrating artificial intelligence into IoT systems. Covers AI agents for monitoring and alerting, data aggregation for analysis, and edge, cloud, and hybrid deployment architectures. Includes real-world use cases and N3xar's AI-powered platform implementation.