Nov 2, 2026 · 7 min read

A practical guide to software and engineering diagrams: what each shows, when to use it, and examples for choosing the right view.

Nov 1, 2026 · 5 min read

Compare widely used embedded RTOSes by typical hardware, strengths, trade-offs, and practical use cases.

Oct 31, 2026 · 5 min read

A short practical guide to MCP (Model Context Protocol): what it is, when to use it, a local example, and how embedded Linux engineers can wire AI assistants to real tools without putting MCP on the MCU.

Oct 28, 2026 · 6 min read

A short practical guide to DDR3, DDR4, DDR5, and LPDDR types used in embedded Linux devices, including voltage variants, what the SoC actually supports, and examples from popular ARM processors.

Oct 27, 2026 · 5 min read

A beginner-friendly guide to wiring and programming a MAX7219 LED matrix with Arduino, including display-size calculations, a working scrolling-text example, and practical implementation notes.

Oct 25, 2026 · 3 min read

A short guide to the major C++ versions, what each added, and how to choose a standard for your project—with practical code examples.

Oct 23, 2026 · 10 min read

A practical guide to embedded operating systems and RTOS families, including FreeRTOS, Zephyr, Linux, OpenWrt, QNX, VxWorks, AUTOSAR, and Android Automotive, organized by real product needs.

Oct 23, 2026 · 8 min read

Learn how musical notes map to frequencies, how PWM creates pitches, and how to play a Do-Re-Mi scale on an Arduino Uno with a passive piezo buzzer.

Oct 16, 2026 · 21 min read

A practical engineer-friendly guide to protocols built on CAN. Learn how raw CAN, ISO-TP, UDS, OBD-II, J1939, CANopen, DeviceNet, NMEA 2000, and related systems differ, with sample frames, trade-offs, and real-world use cases.

Oct 16, 2026 · 9 min read

Learn how arithmetic, comparison, logical, and other operators are grouped and evaluated, how precedence differs across languages, and how to make complex expressions clear.