OTA Firmware Updates: How to Update Embedded Devices Safely
Aug 25, 2026 · 10 min read
A practical engineer's guide to designing safe OTA firmware update systems for embedded devices. Learn about bootloaders, A/B partitions, signature verification, rollback mechanisms, and how to prevent bricking devices during updates.
Bootdelay Option Values Explained
Jul 28, 2026 · 2 min read
Practical guide to bootdelay values in U-Boot: common options, configuration methods, and choosing the right delay for your environment.
Linux Signals: Custom Ctrl+C Handler (SIGINT, SIGUSR1, SIGALRM)
Jul 25, 2026 · 2 min read
Short practical Linux signals guide with one full C example: change Ctrl+C behavior, send SIGUSR1, and use SIGALRM timeout.
Linux IPC in Embedded Systems: Short Practical Guide
Jul 25, 2026 · 3 min read
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.
Embedded Linux Boot Time Optimization: Remove Unused Drivers, Modules, and Resource Waste
Jul 22, 2026 · 2 min read
A short practical guide to reduce embedded Linux boot time by removing unnecessary drivers/modules and freeing system resources correctly.
Display Technologies Explained: LCD, TFT LCD, OLED, Interfaces, and Choosing the Right Display for Embedded Systems
Jul 10, 2026 · 34 min read
A practical deep dive for embedded engineers on LCD, TFT LCD, OLED, panel types, display interfaces (RGB, LVDS, MIPI DSI, HDMI, eDP, SPI), Embedded Linux display pipelines, STM32 and MCU constraints, and real-world display selection trade-offs.
RTOS vs Bare Metal vs Embedded Linux: A Real-World Guide for People Who Actually Need to Decide
May 18, 2026 · 5 min read
A practical and human guide to choosing between bare metal, RTOS, and embedded Linux, with real examples, trade-offs, and hybrid architecture ideas.