Monday, Aug 31, 2026 Week -- 12:26:19
A beginner-friendly, comprehensive guide to understanding CPU, GPU, and NPU: what they do, how they differ, their architecture, real-world use cases, pros and cons, and when to use each for your project. Perfect for engineers and developers.
Complete practical guide to running Pi-hole on Raspberry Pi using Docker: Docker Engine installation, compose configuration, router DHCP setup, and network-wide ad blocking for all devices including IoT endpoints.
A practical guide to choosing between ARM Cortex-M microcontrollers and Cortex-A processors for embedded projects. Learn the architectural differences, performance trade-offs, real-world use cases, and decision criteria for MCU vs MPU selection.
A practical guide to MQTT protocol for embedded systems and IoT. Learn how MQTT works, QoS levels, retained messages, libraries in C/Python/JavaScript/Go, and real-world use cases with code examples.
Practical comparison of ESP32 (Xtensa dual-core MCU with integrated Wi-Fi/BLE) vs ARM Cortex-A application processors for IoT projects. Learn cost, power, complexity tradeoffs, and when each is the right choice for your connected device.
A practical guide to retrieving hardware specifications on Linux and embedded systems: CPU info, RAM, storage, peripherals, network interfaces, kernel details, and embedded-specific hardware data.
A practical guide to polling vs interrupt-driven programming in embedded systems. Learn when to use each approach, trade-offs, platform examples (Arduino, ARM, Linux), and real-world code patterns.
Short practical Linux signals guide with one full C example: change Ctrl+C behavior, send SIGUSR1, and use SIGALRM timeout.
A short practical guide to Linux IPC for embedded Linux: pipes, message queues, shared memory, Unix sockets, and signals with pros/cons and code snippets.
A short practical guide to SNMP on Linux: what it is, when to use it, secure SNMPv3 setup, useful commands, and troubleshooting.
