Year: 2025

Design of Frequency Counter Based on AT89C51 Microcontroller

by
Design of Frequency Counter Based on AT89C51 Microcontroller

In the fields of electronic engineering and automation, frequency measurement is a fundamental and important task. Whether in signal processing, communication systems, or industrial automation, accurately measuring signal frequency is an indispensable part. Traditional frequency measurement devices are often expensive and bulky, making them impractical for small projects or individual enthusiasts. The frequency counter design … Read more

The Era of AI Companion Robots: ‘Loneliness’ is Becoming a Huge Opportunity, Transforming Your Loneliness Curve into the Evolution Path of AI Robots

by
The Era of AI Companion Robots: 'Loneliness' is Becoming a Huge Opportunity, Transforming Your Loneliness Curve into the Evolution Path of AI Robots

Hugo once said: “Loneliness accompanies a person’s life; loneliness is a lifelong friend.”This statement vividly reflects how the feeling of “loneliness” can arise at any time and place in human emotions, shadowing us constantly.This sense of loneliness is viewed by some robotics companies as an invaluable and endless wealth. They have developed AI companion robots … Read more

Robrain AI Develops ‘Closed-Loop Intelligence’ Engine for Embodied Intelligent Robots, Accelerating Their ‘Soul Awakening’

by
Robrain AI Develops 'Closed-Loop Intelligence' Engine for Embodied Intelligent Robots, Accelerating Their 'Soul Awakening'

Author: Li NingyuanIoT Think Tank Original As a typical intelligent hardware product, robots have not demonstrated significant intelligence in their commercial applications for a long time. Traditional robots can be categorized based on their limitations: weak environmental perception, isolated operation of unimodal sensors, lack of multimodal fusion algorithms and anti-interference hardware; shallow interaction, reliance on … Read more

A Discussion on Real-Time Operating Systems

by
A Discussion on Real-Time Operating Systems

This article is approximately 7097 words and takes 8 minutes to read A Real-Time Operating System (RTOS) is an operating system that manages hardware resources in real-time, supports applications, and processes data. It defines the timing for real-time task processing, interrupt latency, and the reliability of hardware and applications, which is particularly important for low-power, … Read more

Lessons Learned from Integrating ESP32 with a Self-Built Backend: OTA Address Configuration

by
Lessons Learned from Integrating ESP32 with a Self-Built Backend: OTA Address Configuration

1 Project Background I deployed the open-source project XiaoZhi Backend Service (replacing the official service <span>https://xiaozhi.me</span>) in a Windows + WSL2 Ubuntu 22.04 environment using Docker. The deployment success log is as follows: Key Objective: To integrate the self-built service with the ESP32 smart voice hardware, achieving OTA (Over-The-Air) firmware updates and WebSocket communication. 2 … Read more

RTOS-Benchmark: A Powerful Tool for Evaluating Real-Time Operating System Performance

by
RTOS-Benchmark: A Powerful Tool for Evaluating Real-Time Operating System Performance

In today’s embedded systems field, the selection and performance evaluation of real-time operating systems (RTOS) have become a focal point for developers. <span>rtos-benchmark</span> project was created to help developers accurately assess the performance of different real-time operating systems. Below, we will delve into various aspects of this project. Project Overview <span>rtos-benchmark</span> is a performance benchmarking … Read more

What Can One Trillionth of a Second Achieve?

by
What Can One Trillionth of a Second Achieve?

Femtosecond This unit may be unfamiliar to many. 1 femtosecond is one trillionth of a second. Located in the High-tech Zone of Nanhu, Jiaxing, Zhejiang Sais Electronic Technology Co., Ltd. produces clock chips that can control the jitter specification accuracy to 100 femtoseconds. On July 7, the testing workshop of Zhejiang Sais Electronic Technology Co., … Read more

Flagship Embedded Core Board SAM-M3588A: Designed for Harsh Industrial Environments with Rockchip RK3588 Processor

by
Flagship Embedded Core Board SAM-M3588A: Designed for Harsh Industrial Environments with Rockchip RK3588 Processor

Shanghai Hanchuan Intelligent Technology Co., Ltd., a high-tech enterprise deeply engaged in the embedded field for nearly twenty years, is proud to launch its flagship product in 2024—the SAM-M3588A high-performance embedded core board. This core board is based on the flagship RK3588J processor (8nm advanced process), integrating powerful computing capabilities (4x [email protected] + 4x [email protected]) … Read more

Understanding the Differences Between OLED and LCD Screens in Smartphones and Tablets

by

Nowadays, smartphones and tablets have become indispensable companions in our lives. As the key interface for communication between humans and machines, screens are constantly being updated and improved. With the most popular LCD and OLED screens available on the market, how should one choose? Let’s have an expert explain. Text version for quick reading [Image] … Read more

Changzhou Economic Development Zone Creates the First Embedded Home for the Disabled

by
Changzhou Economic Development Zone Creates the First Embedded Home for the Disabled

Recently, the Changzhou Economic Development Zone has innovatively established the first embedded home for the disabled, named “Dingxiang” Home for the Disabled, in the Changfeng Community of Dingyan Street. This home is planned and constructed in conjunction with the Changfeng Community Party and Mass Service Center and the Street Home-based Elderly Care Service Center, truly … Read more