Year: 2025

Comprehensive Analysis of SPI Interface in Embedded Education

by
Comprehensive Analysis of SPI Interface in Embedded Education

In the modern technology field, embedded system interfaces play an indispensable role as the core hub for information exchange. Various interfaces achieve efficient data transmission and intelligent collaboration between devices through standardized communication protocols and specifications. As one of the core technologies in embedded development, a deep understanding and proficient use of interfaces directly determine … Read more

Similarities and Differences Between IIC, SPI, and UART Communication

by
Similarities and Differences Between IIC, SPI, and UART Communication

The three low-speed communication protocols IIC, SPI, and UART are widely used in our actual designs. Common communications between various ICs and between PCBs and external serial ports often utilize these protocols. Today, we will specifically share the similarities and differences among these three low-speed communication methods. Communication Name SPI IIC UART Synchronization/Asynchronous Communication Synchronization … Read more

Fully Automatic Solder Paste Printing (SPI Closed Loop)

by
Fully Automatic Solder Paste Printing (SPI Closed Loop)

How can traditional printing processes break through physical limits under the stringent requirement of a solder paste thickness deviation of only ±15μm? The modern SPI (Solder Paste Inspection) closed-loop system reduces the defect rate from traditional manual sampling of 3500ppm to below 50ppm through 3D laser scanning and real-time feedback control, becoming the first line … Read more

In-Depth Analysis of SPI Mode 4: Timing Attack and Defense with CPOL=1/CPHA=1

by
In-Depth Analysis of SPI Mode 4: Timing Attack and Defense with CPOL=1/CPHA=1

1. Experimental Task Task: Based on the STEP-MAX10M08 core board and STEP BaseBoard V4.0 baseboard, complete a simple voltmeter design and observe the debugging results. Requirements: Measure the adjustable potentiometer output voltage through the serial ADC chip ADC and display the voltage information on the core board’s digital tube. Analysis: Drive the serial ADC chip … Read more

The Importance of Electric Control Sensors

by
The Importance of Electric Control Sensors

Ensuring Safe Operation of Equipment In industrial production, pressure sensors monitor the pressure changes within equipment in real-time. When the pressure exceeds the safety threshold, they quickly transmit signals to the control system, triggering alarms or automatic shutdown mechanisms to prevent equipment damage due to overpressure, effectively avoiding safety accidents. Foundation of Automation Control Electric … Read more

Keli Sensor (603662) Fundamental Analysis: From Sensor Leader to Builder of Industrial IoT Ecosystem

by
Keli Sensor (603662) Fundamental Analysis: From Sensor Leader to Builder of Industrial IoT Ecosystem

1. Company Overview: Global Invisible Champion in Mechanical Sensors Keli Sensor was established in 1995 and is headquartered in Ningbo. It is the only company in China that has maintained the number one market share in mechanical sensors for 14 consecutive years, boasting the world’s largest production line for steel sensors with an annual production … Read more

Online Monitoring Solution for Wind Turbine Blade Icing Based on Microwave Icing Monitoring Sensors

by
Online Monitoring Solution for Wind Turbine Blade Icing Based on Microwave Icing Monitoring Sensors

1. Importance of Monitoring Icing on Wind Turbine Blades Icing on wind turbine blades is one of the significant technical challenges faced in the wind power generation field. In low-temperature and high-humidity environments, ice layers can easily form on the blade surfaces, directly leading to the following issues: 1. Decreased power generation efficiency: Icing alters … Read more

The World’s First Olfactory Robot Launches, Expanding the Gas Sensor Industry Chain

by
The World's First Olfactory Robot Launches, Expanding the Gas Sensor Industry Chain

Event Catalyst: Japan and the US Join Forces to Break Through Olfactory Robot Technology, Accelerating Commercialization On July X, Japan’s leading service robot company ugo Robotics and the American Ainos Company jointly released the world’s first humanoid robot equipped with the AI Nose olfactory system. This system integrates a gas sensor array, signal processing module, … Read more

Printer Ink Smudging? Disassembling the Fuser Unit + 5 Types of Temperature Sensor Deviations!

by
Printer Ink Smudging? Disassembling the Fuser Unit + 5 Types of Temperature Sensor Deviations!

In daily office and study environments, printers are invaluable assistants. However, when problems arise, they can be quite frustrating. Today, I will share a tutorial on disassembling the fuser unit and discuss the deviations of five types of temperature sensors to help you easily resolve printer issues. Printer ink smudging is visually represented by blurred … Read more