DIY Smart Environmental Monitoring! Build a High-Precision Temperature and Humidity Sensor with ESP32 Say goodbye to stuffiness and dampness, easily build your own environmental monitoring system In modern smart home systems, temperature and humidity monitoring is an essential basic function. Today, I will teach you how to use the powerful ESP32 development board, paired with … Read more
Preparation of Flexible Sensors for Thoracic and Abdominal Respiration Detection Needs Chen Yuanmin1, Zhao Mengyu1, Qiu Siyuan1, Li Yajiao1, Wang Wenhao1, Wang Hao3, Zhu Guangying3 (1. School of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029; 2. State Key Laboratory of Organic-Inorganic Composite Materials, Beijing 100029; 3. Department of Radiation Oncology, China-Japan … Read more
01Basic Understanding(Image source: Internet)Model:HS-S01AName:Infrared Detector (Infrared Sensor)Series: SensorDescription:It is an infrared transceiver device, consisting of a pair of infrared emitting and receiving tubes.Usage Scenarios:Commonly used in infrared detection systems for smart cars, robots, and automated machinery in logistics, playing an important role in artificial intelligence-related practices and applications, aligning with the requirements for cultivating students’ … Read more
01 Introduction This kit is specifically designed for LEGO motor products, supporting: LEGO M motors, LEGO L motors, LEGO XL motors, and Monster motors. It not only supports direct power supply from the LEGO battery box but can also control the motor’s rotation and stop using two IO ports of a microcontroller with high and … Read more
Follow “Electronic Engineering Magazine” and add the editor’s WeChat Regional groups are now open, please send messages 【Shenzhen】【Shanghai】【Beijing】【Chengdu】【Xi’an】 to the public account In the process of digital development, Edge Intelligence has become a key force driving transformation across various industries. As an innovative technology that integrates edge computing and artificial intelligence, combining the advantages of … Read more
1. Understanding FC and FB from the Perspective of “Cooking”: What is the Essential Difference? Let’s set aside the code and use a life example: •FC (Function) is like avegetable cutter in the kitchen. You throw a potato in, and it consistently outputs shredded potatoes without remembering whether the last item was a radish or … Read more
In the world of PLC (Programmable Logic Controller) programming, repetitive work is the enemy of efficiency. Imagine having to write code from scratch every time you encounter a similar control task; this not only wastes time but also increases the likelihood of errors. The reuse of FB (Function Block) and FC (Function) blocks acts like … Read more
M80PLC Tutorial | How to Learn Mitsubishi M80 PLC Programming from Scratch? When debugging or repairing, we sometimes need to monitor thePLC‘s signal status to see if it is0 or 1. At this time, we can use theM80 built-in PLC programmer function to check. The specific operation steps are as follows: Enter the built-in programmer … Read more
Please follow me if you like, I share new knowledge every day. 1. Types of Counters As shown in the figure, the Siemens S7-1200 PLC has three types of counters: Count Up Counter (CTU), Count Down Counter (CTD), and Count Up/Down Counter (CTUD). They belong to software counters. The maximum counting rate is limited by … Read more
The PLC scan cycle refers to the time required for a PLC to complete one full scan (including input sampling, program execution, and output refresh). The length of the scan cycle directly affects the real-time performance and control accuracy of the PLC. The following are the main factors that influence the PLC scan cycle: 1. … Read more