SDRAM Operation Overview

Technical guide to SDRAM operation covering burst length, timing, refresh intervals (Auto/Self), initialization and controller state machine design.

20 Common Embedded Systems Interview Questions and Answers

Technical Q&A covering C programming basics and OS concepts: infinite loops, memory allocation, const, macros, pointers, IPC, deadlock, processes/threads, and TCP/UDP.

MD5 File Verification in Linux

Learn how to use md5sum to generate MD5 checksums, verify file contents, save checksums, and batch-compare files to detect changes.

Debugging Tools for Xcelium and Questasim

Learn to use the xmhelp and verror utilities to expand brief error messages in Xcelium and Questasim, making debugging faster and more efficient.

State Machine Design in C: Tips and Strategies

C state machine for embedded systems: O(1) transition table, reentrancy-safe queue and in-transaction flag to handle concurrent inputs.

Linux Page Size Impact on Database Performance

Analysis of how Linux large pages affect database performance and guidance to optimize Kubernetes nodes for database workloads, TLB impact, and page-size choices.

What Is Base64 and How to Encode/Decode

Learn Base64 encoding: how it converts binary to ASCII, common uses (email, URLs, storage) and a practical Python example.

Mean and Variance on Low-Power MCU Platforms

Technical guide to mean and variance computation in embedded systems using Welford's algorithm for stable, single-pass online statistics and fixed-point optimization.

Nine Common Software Architectures for Microcontrollers

Survey of nine software architecture patterns for microcontroller development with C examples, from linear and modular to event-driven, state-machine and component architectures.

Embedded ML: Applications and Development Environments

Embedded machine learning overview: constraints, optimization (pruning, quantization), low-power real-time edge deployment, plus common frameworks and development environments.

DMA for Embedded Real-Time Task Handling

Learn DMA-based UART transmission on STM32F4: reduce CPU load, speed up packet transfers, with USART/DMA configuration and code examples.

Pointer Syntax and Behavior in C

Guide to pointers in C: explains memory and addresses, declaration, dereferencing, pointer arithmetic, function usage and dynamic allocation for developers.

STM32 Metal Detector Transmitter Hardware Design

Learn to design a long-range wireless detection transmitter. This guide covers component selection (STM32/nRF24L01), power supply, schematics, and PCB layout.

ADS1118 16-bit Low-Power SPI ADC Technical Summary

ADS1118 16-bit ADC overview: features, specs, PGA, internal reference and temperature sensor, SPI interface, low-power modes, packages and design guidelines.

Virtual ECU Types for Automotive Microcontrollers

Overview of virtual ECU approaches and classifications (Type-0–Type-4), comparing x86 recompilation vs target-binary emulation, with FMU integration.

STM32-Based Smart Walking Cane Design

Learn to build an STM32 smart cane for elderly care. Features GPS tracking, fall detection, health monitoring, and IoT integration with a WeChat app.

Ubuntu OTA Update Workflow and Commands

Guide to updateEngine-based OTA updates on Ubuntu: configuration, command usage, partition mapping, and recovery workflow for embedded system firmware maintenance.

Memory Alignment in ARM Embedded Systems

Technical overview of memory alignment in embedded systems: reasons, ARM/MMU requirements, atomicity, NEON constraints and cache-line effects on performance.

Linux Boot Startup Methods

Guide to Linux boot startup: systemctl/systemd, chkconfig, rc.local/scripts, crontab @reboot and production best practices.

Automatic Code Generation for Embedded Microcontrollers

Explore model-based control with PLECS: generate embedded code from block diagrams, target-specific peripheral blocks, and task-based multitasking.