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Linux Commands for Hardware Management

Nov 15, 2025 | Sysadmin

Essential Linux commands to diagnose and manage hardware: CPU, memory, disks, controllers, and PCI. A quick guide for sysadmins and systems engineers.

Connecting the SIM7600G to the Arduino Mega

Nov 15, 2025 | Hardware & IoT

Bench notes on integrating the SIM7600G LTE modem with the Arduino Mega: wiring, AT commands, and first steps toward cellular connectivity in IoT projects.

Arduino Mega 2560 + SIM7600G: Cellular IoT Node with JSON Telemetry

Nov 15, 2025 | Hardware & IoT

A complete cellular IoT node: an Arduino Mega 2560 + SIM7600G collects network, GPS, and modem statistics, packs them into JSON, and publishes via MQTT. For field operations without Wi-Fi.

Connectivity as the Enabler of IoT Businesses

Connectivity as the Enabler of IoT Businesses

Jul 6, 2024 | Destaques, Negócios

Why connectivity is the pillar that defines the success of an IoT operation. A practical analysis of how to choose the right network and avoid the bottlenecks that kill projects in the field.

Frameworks for Structuring LLM Prompts

Frameworks for Structuring LLM Prompts

May 3, 2024 | Data Engineer

Practical frameworks and models for structuring prompts for LLMs: how to get more accurate and consistent responses from language models like ChatGPT and Claude.

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Posts recentes

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  • IoT + Cloud: A Three-Layer Architecture
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  • Visualizing IBGE Maps with Python and Jupyter

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