ElfBoard Face Recognition Using Baidu Cloud

Automated face recognition using Baidu Cloud APIs: captures USB camera frames, converts images to base64, calls cloud Face Recognition, and displays results in a Qt interface.

Optical PCB Waveguide Embedded System Overview

Waveguide embedded system (WES) for AI/HPC centers: optical PCB with optical engines and precision coupling for high?density, low?loss fiberless device interconnects

Allwinner T113-i Audio and Video Testing Guide

Guide to audio and video testing on the Allwinner T113-i development board, with practical gst, tinymix, arecord/aplay and amixer commands for validation.

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.

GPIO Interface Explained for Embedded Systems

Overview of GPIO in embedded systems: operating principles, modes (floating input, open-drain, push-pull), electrical traits and applications for device control and sensing.

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.

emApps on Embedded Systems

Explains SEGGER emApps for embedded firmware: sandboxed virtual-CPU apps run via a compact executor, enabling dynamic modules with low memory and high code density.

How SEGGER J-Probe Works and Its Applications

J-Probe offers a customizable GUI for embedded systems, enabling real-time variable monitoring and control, framebuffer visualization, and >1 kHz sampling.

Docker Setup for Compiling ARM Programs

Guide to building a consistent embedded Linux build environment by loading an RK3588 Ubuntu filesystem into Docker, installing toolchains, and saving reusable images.

Practical Guide to Watchdog Timers in Embedded Systems

Explains watchdog timers in embedded systems, comparing hardware vs software watchdogs, feeding strategies, reliability trade-offs and correct usage for system recovery.

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.

Embedded Motherboard Selection and Application Guide

Embedded motherboards overview: features, ARM/x86/RISC-V architectures, applications, selection criteria and development considerations for industrial and IoT devices.

RISC-V Embedded Systems for Robot Joint Control

Analysis of RISC-V-based embedded systems for robot joint control, covering core advantages, real-time techniques, architectures, and implementation examples.

High-Reliability Embedded Motherboard Design

Technical guide to designing high-reliability embedded motherboards: hardware selection, redundancy, thermal and EMC design, software optimization, and reliability testing.

TPS3806 Dual Voltage Detector with Adjustable Hysteresis

TPS3806 dual voltage detectors for battery supervision with independent reset outputs and adjustable hysteresis via LSENSE/HSENSE; low 3 μA supply current, SOT-23.

Linux User Permissions Explained

Technical overview of the Linux kernel, shell and user privileges, detailing file permissions, sudo/su usage, chmod/chown, umask, directory semantics and sticky bit.

C++ Object Detection with Lock AI Vision Module

C++ object detection guide for Rockchip RV1106 Lock AI Lingzhi module using PaddleDetection (PaddleDet) API, covering model initialization, predict, and visualization.

Challenges and Solutions for Embedded System Security

Overview of embedded security for IoT edge devices: challenges (heterogeneity, limited resources), CIA triad–based design, hardware defenses and AI/ML threat detection.

Microcontroller I/O Transfer Methods

Overview of microcontroller I/O transfer methods—unconditional, polling, interrupt-driven and DMA—guidance on selection and optimization for embedded developers

9 Reasons Reports and Traceability Matter in Embedded Testing

Technical article on the role of reports and traceability in embedded systems testing, covering compliance (ISO 26262, DO-178C), debugging, audit readiness, and TESSY.