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Preface The ITOP-4412 development board is officially supported by Linux , so it is very convenient for us to learn new kernels on 4412. The author of this article is a technical expert in the 8th gr...[Details]

On December 22, 2016, the "Lead-acid Battery Quality Improvement and Intelligent Manufacturing New Equipment Technology Forum" hosted by China Machinery Industry Federation and China Electrical Equ...[Details]

As people's living standards continue to improve, consumers have higher and higher requirements for kitchen appliances, and have high demands for the environmental protection and energy saving char...[Details]

     Sina Digital News on the afternoon of October 28th, according to monthly market data from data research firm Counterpoint Research, China's smartphone sales fell 9% year-on-year in the third qua...[Details]

The first part of this article defines and describes the design methods for low-current technologies, explains the problems encountered in designing these circuits, and describes the application of...[Details]

According to foreign media reports, the U.S. Department of Energy (DOE) Brookhaven National Laboratory has designed a new organic cathode material for lithium batteries. The material is sulfur-based ...[Details]

In late July 2024, the "Source-Grid-Load-Storage Integration" pilot project was launched in Luofu Town, Nandan County, where photovoltaic facilities and 220KV confluence stations were built. The pr...[Details]

W79E633A is a 4T 8051 microcontroller series. W79E633A provides an operating voltage range of 4.5V to 5.5V, built-in ADC, supports in-system programming (ISP), and is available in PLCC44 and PQPF44 ...[Details]

————————— renew: It should be noted that when calling the cJSON_Print function to convert the JSON body into a string, memory will be allocated. After the conversion, the cJSON_free function needs to...[Details]

      At the end of September this year, Huawei released the nova 9/Pro mobile phone. It was reported that the phone would be pre-installed with HarmonyOS 2.0.1, but it was subsequently postponed. ...[Details]

With the development of semiconductor technology, the current process accuracy has reached 7nm and 5nm. The constant pursuit of performance and cost is still strongly driving the technological evolut...[Details]

Traditional USB connector solutions may not meet the needs as consumer products become more and more dense, with greater transmission requirements, increased power requirements, and the requirement...[Details]

　    Yesterday I was debugging 433MHz wireless communication, point-to-point communication mode. I tested the transmitter program in the morning and the receiver program in the afternoon. Since there ...[Details]

Pulse signals are a common type of signal in engineering, such as the output signals of photoelectric displacement, speed, rotation speed and other sensors, and pulse width and pulse period are the...[Details]

Motor variable frequency starting and soft starting are two different starting methods. They have obvious differences in the control method, starting performance, energy consumption, etc. of the mo...[Details]