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.

Xilinx Zynq-7000 Embedded System Design Overview

Guide to Xilinx Zynq-7000 design: SoC concepts, ARM+FPGA co-design, HLS, PS/PL architecture, hardware acceleration and system integration.

USB Embedded Host Stack

Explore USB embedded hosts and OTG: host vs peripheral, transfer types, hub limits, and Microchip microcontroller support.

SDRAM Operation Overview

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

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.

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

T113-I Watchdog Handover: U-Boot to Kernel within 1.12s

Seamless watchdog handover on Allwinner T113-I: implement U-Boot GPIO feeding and kernel gpio_watchdog in the device tree, with lowered boot loglevel for safe transfer

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.

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.

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.

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.

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.

ADS1240 24-bit ADC: Performance and Applications

Technical overview of TI ADS1240/ADS1241 24-bit delta-sigma ADCs: features, PGA, input multiplexer, calibration, SPI interface, and weighing application examples.

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.

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.

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.

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.

Installing Linux on Windows 11

Technical guide to running Linux on Windows 11 without a VM: installation notes, driver troubleshooting, installing vim, compiling hello.c and using a Makefile.

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.

STM32 ADC Sampling Voltage Range

Explains STM32 ADC sampling voltage range and factors affecting accuracy, covering reference/supply selection, resolution, input impedance, and configuration.