Introduction In the realm of IoT and embedded development, serial debugging is an unavoidable “basic operation”. But when faced with various bizarre baud rates, strange parity bits, and the ever-confusing virtual serial ports, have you also experienced the following moments of frustration? ❌ Debugging tools lag more than the code❌ Manually typing AT commands to … Read more
#include<stdio.h> #include<stdlib.h> #include<fcntl.h> #include<unistd.h> #include<sys/ioctl.h> #include<linux/spi/spidev.h> // Define the SPI device path #define SPI_DEVICE“/dev/spidev0.0” // Set the SPI mode unsigned char spi_mode = SPI_MODE_0; // Set the number of bits per word unsigned char spi_bits_per_mode = 8; // Set the maximum SPI transfer speed in Hz int spi_max_speed_hz = 1000000; // Initialize the SPI device … Read more
Java SPI (Service Provider Interface) is a service provider interface that provides a service discovery and loading mechanism in Java, allowing developers to define multiple implementations for an interface and dynamically discover and load these implementations at runtime. The core of the Java SPI mechanism is that it provides a way for service providers to … Read more
As the complexity of global supply chains and the demand for efficiency continue to rise, the transportation and logistics industry is facing unprecedented challenges. In this context, adopting advanced technological equipment has become key to enhancing operational efficiency, ensuring data security, and promoting sustainable development in the industry. Durabook, a durable equipment manufacturer from Taiwan, … Read more
In the turbulent semiconductor industry, there is a company that has quietly operated for 24 years, leveraging a “technology + ecosystem” dual-drive strategy to quietly occupy an important position in the IoT chip market. This company is Ankai Micro. As a veteran player deeply engaged in core SoC chips for IoT smart hardware, how does … Read more
In the age of information explosion, we watch videos, transfer files, and play cloud games every day, all relying on a “light-speed highway”—the optical communication network. The cornerstone of this road is the “high-speed optical chips” and “optical devices.” They act as “opto-electronic translators,” converting electrical signals into optical signals, allowing data to travel across … Read more
Recently, Wuhan Guangju Microelectronics Co., Ltd., a filter IDM company that just completed a 189 million yuan B+ round of financing, published a letter to all employees. The letter pointed out that under the complex and changing global economic landscape, the company faces multiple challenges including intense industry competition, difficulty in maintaining orders, low-price competition … Read more
Introduction: A “Shadow War” Changing the Global Tech Landscape In May 2025, in a laboratory at a tech park in Shenzhen, engineer Xiao Li is testing an AI server equipped with the Ascend 910B chip—this device achieves nearly the same inference performance as NVIDIA’s H20 chip at one-third of the cost. At the same time, … Read more
Nintendo’s culture of secrecy has always been tight, even bugs in “Zelda” are hidden like treasures. But this time, the mainboard and SoC of the Switch 2 have surprisingly been unearthed by players from a certain marketplace?! And it’s not just images or concept art; it’s a physical mainboard + teardown video + GPU analysis … Read more
Click the blue text to follow us Scattering the eagle spirits, soaring across the land, With wisdom and courage, calling for the wisdom of China. —— “The State Council’s Tribute to Comrade Jiang Shangzhou” 01 Introduction Yang Rui, former host of the English channel of China Central Television, interviewed Dutch journalist and semiconductor observer Mark … Read more