Previously, we have laid some groundwork for your understanding of microbiomes (see the review at the end of the article), and we will also update you with tutorials on amplicon sequencing, metagenomics, and single-cell microbiome analysis, so stay tuned! 1. Introduction to QIIME2 QIIME2 is a powerful, extensible, and decentralized microbiome analysis platform that integrates … Read more
System Overview This system uses the AT89C51 microcontroller as the core controller, integrating the ADC0831 analog-to-digital converter, DAC0808 digital-to-analog converter, DS1302 real-time clock, FM24C64F EEPROM memory, and LGM12641BS1R LCD display to achieve a complete data acquisition, conversion, storage, and display system. ADC0831 Analog-to-Digital Converter (ADC) ADC0831 is an 8-bit resolution, serial output successive approximation analog-to-digital … Read more
In early 2024, based on project requirements, the read and write functionality of SATA hard drives was developed on the K7 board. At that time, considering future board upgrades, higher-speed PCIe NVMe M.2 hard drives could be used. Relevant information was researched: a project from Hanyang University was referenced for related design. This experiment is … Read more
The technology in the field of quantitative trading is becoming increasingly complex. To simplify this process and improve trading efficiency, we have developed EasyXT—a secondary development encapsulation library based on xtquant from miniqmt. EasyXT aims to provide a user-friendly and easy-to-use API interface, helping traders easily access quantitative trading. Project Address: https://github.com/quant-king299/EasyXT 🚀 Feature Overview: … Read more
Get the download link and operation manual PDF version at the end of the article CNC machines are known as the “mother machine of industry“, effectively solving the problems of complex, precise, small-batch, and multi-variety part processing. They are flexible, high-performance automated machines that represent the development direction of modern machine control technology and are … Read more
This article introduces a Modbus TCP PLC data acquisition system developed based on .NET. The system defines acquisition rules through flexible configuration files and is suitable for various .NET platforms (.NET Standard 2.0, .NET Standard 2.1). It supports simultaneous real-time data acquisition from multiple devices, featuring efficient communication, modular design, data storage, and error handling, … Read more
Driven by the wave of digitalization, the Internet of Things (IoT) is uniquely transforming the landscape of industrial automation. Among these changes, the MQTT protocol plays a crucial role in this revolution due to its lightweight and efficient nature. Data acquisition and protocol parsing from PLCs (Programmable Logic Controllers) are key technologies in the field … Read more
For industrial Internet platforms, the core challenge is how to effectively connect, collect, store, and utilize IoT data while ensuring data accuracy and real-time performance.The Internet of Things (IoT) utilizes various technologies to achieve perception, connection, storage, and application of the physical world, providing deeper and more comprehensive data and services.Here is an analysis and … Read more
“The Journey of an Excellent Engineer in Three Stages” 1. Basic Stage: Siemens PLC technology. 2. Intermediate Stage: Siemens TIA Portal and C# advanced language technology. 3. Advanced Stage: Standardized programming methods for PLCs. The Path of Standardization! Yesterday, I invited excellent engineers to share insights on four major industrial communication protocols. A group member … Read more
Data acquisition in milliseconds is achieved using the Siemens S7-1200 series PLC in conjunction with custom-developed upper computer software. 1. Siemens S7-1200 series PLC; 2. Analog data acquisition module; 3. Data acquisition archived to the upper computer, curve recording; 4. Support for chart and curve printing.