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.
Complete guide to ultra-low power operation for STM32F103C8T6 (Blue Pill) – Stop Mode (50-500µA) and Standby Mode (2µA). Includes external interrupt wake-up, RTC wake-up, and hardware power optimizations.
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-ready guide to configuring Traefik v2 as a reverse proxy with automatic Let's Encrypt SSL termination, dynamic configuration, HTTP-to-HTTPS redirection, and basic auth for internal dashboards.
A production-hardened guide to securing Ubuntu servers in industrial environments – UFW firewall, SSH hardening, Fail2ban intrusion prevention, and kernel tuning for maximum stability and uptime.
A production guide to deploying Nextcloud for file collaboration and Matrix (Element) for secure, decentralised messaging – fully self-hosted, GDPR-compliant, and independent of big tech.