Please help. I am facing such a problem. The 485 communication can be received and the receiving interrupt can be entered. However, an error occurs when sending the array. The sending is not executed ...
Generally, the constant temperature is a certain value, which is compared with the set voltage and feedback controlled. But how to achieve constant temperature within a certain range? Do we use window...
The buzzer below is very common, right? I believe everyone has seen it and used it. Now the question is - what can it do?The buzzer is actually a piezoelectric ceramic, and piezoelectric ceramics have...
Thread termination:1. The start_routine callback function executes return;2. The thread itself calls pthread_exit();3. Other threads call pthread_cancel(ID) to terminate the process;any thread calls e...
According to foreign media reports, if you own a car produced in the past five years or so, and it is equipped with an automatic transmission, it is likely equipped with a stop/start system . However...[Details]
1. Hardware Connection
2. Communication method
Modbus protocol, ASCII format, LRC checksum;
Master-slave mode: PLC is the master and the inverter is the slave;
Baud ...[Details]
Jiwei.com reported on November 5 that the well-known mobile phone benchmarking software AnTuTu recently released the Android phone performance list for October. Let’s take a look. First up is the And...[Details]
If it wasn’t in Hefei, I would have thought it was a press conference for some Weida/Tel/geek company. At the beginning, the CEO came up holding a huge wafer. This big disk was engraved with 4,000 ...[Details]
1 Introduction
As the trend of functional integration and technology convergence continues, portable devices such as digital cameras, smart phones and media players have higher and higher requirem...[Details]
Quasi-resonant conversion is a mature technology widely used in power supply design for consumer products. The new Green Power series controllers achieve ultra-low standby power consumption as low as...[Details]
On December 12, the Zhejiang Provincial Development and Reform Commission and the Zhejiang Provincial Market Supervision Administration officially issued the "Notice on Further Optimizing and Regul...[Details]
In modern system integration control, large signal switching systems are indispensable in various places. The current mainstream signal switching systems include CREATOR quick and other large ...[Details]
Recently, Mr. Masao Akabane, Managing Director and Director of the Research and Development Department of Seiko Epson, answered this question for us: "Since the 2008 Olympic Games will be held in B...[Details]
What is a microcontroller interrupt? How are interrupt nesting and priority resolved?
About the concept of single-chip microcomputer interrupt system: What is an interrupt? Let's introduce...[Details]
1 Introduction
The current remote monitoring system communication usually adopts two methods: one is to use optical fiber as the transmission means, and the other is to use video cable tra...[Details]
Major semiconductor manufacturers have successively expanded new factories, and new wafer foundry capacity will be launched in full swing from 2023. The market expects that there may be a serious sho...[Details]
The "Hunan Province's Action Plan for Intelligent Empowerment of 10,000 Enterprises (2023-2025)" proposes to strive to push 700,000 enterprises in the province to the cloud and 40,000 enterprises t...[Details]
If nothing unexpected happens, AMD and NVIDIA will both launch a new generation of graphics cards in 2022. AMD's RX 7000 series is based on the RDNA3 architecture, while NVIDIA's RTX 40 series is bas...[Details]
Recently, the 1MW vanadium battery energy storage system provided by Tianfu Energy Storage to a customer has successfully passed strict quality inspections, fully complies with established industry...[Details]
PCB Design
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