Linux Boot Startup Methods

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

C and the Compiler's Role in Embedded Development

Embedded C pitfalls: compilers aren't a safety net. Avoid undefined behavior, array overruns, stray semicolons; use analyzers to secure firmware.

Common Misconceptions in C Embedded Software Development

Practical guide dispelling common misconceptions for new C developers: coding practices, testing, documentation, and taking charge of your career growth.

Boost Deep Learning on Embedded Platforms

Deep learning for embedded machine vision: model selection, optimization, low-latency deployment, power efficiency, security and defect inspection.

RA UART Auto Baud Rate Detection

RA series FSP guide: switch RXD between IRQ and UART on EK-RA2E1 to auto-detect and set baud rate using GPT timer and register config.

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.

A Startup Script Trick for Embedded Linux

Learn to run a custom startup script on a read-only filesystem. A simple hook to temporarily modify configs or launch programs at boot without altering core files.

Decoupling in Embedded Software

Explore practical methods for embedded software decoupling. This guide covers system layering, event-driven patterns, and dependency injection for scalable code.

How to Debug Linux Crashes with backtrace

Quickly debug program crashes in embedded Linux. Learn to use the backtrace tool and addr2line to capture signals and analyze the call stack to find bugs.

HDMI Interface: A Technical Overview

A complete guide to HDMI. Learn about Standard, Mini, and Micro connectors, the detailed Type-A pinout, and key technologies like TMDS, EDID, and HDCP.

Can UART Data Bits Be Increased?

Explore the UART protocol's standard data frame. Learn why increasing data bits beyond 8 or 9 can fail due to clock drift in asynchronous communication.

Understanding the GSR Signal in Vivado Simulation

Learn about the Global Set/Reset (GSR) signal in Vivado. Understand its critical impact on FPGA timing simulations and proper design initialization.

Kinghigh Optocouplers in Industrial Control

Protect industrial automation systems from EMI and high voltage. Kinghigh optocouplers ensure stable operation for PLC control, sensors, and communication.

SystemVerilog Syntax: Processes & Operators

Unlock powerful SystemVerilog features. This guide covers simulation timing, fork/join control, the process class, equality operators, and 'inside'.

SystemVerilog Coverage Syntax Explained

Master functional coverage in SystemVerilog for hardware verification. This guide covers covergroups, coverpoints, cross coverage, bins, options, and methods.

7 Open-Source Quadcopter Drone Projects

Build your first DIY quadcopter! This guide covers essential hardware, C programming, PID control algorithms, and the STM32 development setup for beginners.

SystemVerilog Randomization Syntax

Master random stability in testbenches. Learn how independent RNGs for threads and objects ensure stable results using $urandom, randomize(), and srandom().

FlexSPI LUT Length on i.MX RT Series

Clarifying a documentation error in the i.MX RT600 manual. Learn the correct FlexSPI LUT length and explore design differences across the i.MX RT series.

How to Calculate Buck Converter Duty Cycle

Learn the fundamental operation of a buck converter. This guide explains how to calculate the duty cycle with clear formulas for ideal and practical circuits.

SystemVerilog: Clocking Blocks & Process Communication

Learn about SystemVerilog clocking blocks, clocking skew, and synchronous drives. Explore inter-process synchronization with events, semaphores & mailboxes.