ESP32 vs ARM Cortex-A Application Processors: When to Choose Each for Your IoT Project
Aug 27, 2026 · 12 min read
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.
How to Retrieve Hardware Specifications on Linux and Embedded Systems: CPU, RAM, Storage, Peripherals, and System Info
Aug 26, 2026 · 5 min read
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.
Polling vs Interrupts in Embedded Systems: When to Use Each, Pros, Cons, and Practical Examples
Aug 26, 2026 · 5 min read
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.
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.
How to Choose the Right Microcontroller for Your Project
Aug 24, 2026 · 10 min read
A practical engineer's guide to selecting the right microcontroller for embedded projects. Learn what factors matter most: performance, peripherals, power consumption, tooling, availability, cost, and long-term support.
MCU vs CPU vs MPU: Understanding Processors and Microcontrollers
Aug 19, 2026 · 4 min read
Clear explanation of MCU, CPU, and MPU: what they are, key differences, and practical examples from real systems.
FOSS Alternatives to Enterprise Tools: Break Free from Vendor Lock-In
Aug 18, 2026 · 3 min read
Practical FOSS alternatives to replace expensive enterprise tools like Jira, Confluence, Slack, and more. Build your self-hosted infrastructure with open-source software.
PWM Audio Synthesis: How to Generate Sound and Voice in Embedded Systems Using Pulse Width Modulation
Aug 17, 2026 · 12 min read
A practical guide for embedded engineers on generating audio and voice using PWM. Learn why PWM frequency matters, how PWM acts as a low-cost DAC, the role of Nyquist theorem, filtering requirements, and real-world implementation on STM32, ESP32, and Arduino.
OBD2 Protocol Explained: Architecture, History, and Practical Applications
Aug 12, 2026 · 3 min read
Comprehensive guide to On-Board Diagnostics 2 (OBD2) protocol, covering its history, architecture, use cases, and real-world applications in modern vehicles.
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.