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With the expansion of the application scope of communication technology, various microwave communication systems have developed very rapidly. In the same system, frequency congestion and multi-ch...[Details]
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September 19, 2017, Shanghai, China - Today, Shenzhen Shengnengjie Technology Co., Ltd. officially launched the new SE series household three-phase photovoltaic grid-connected inverter, which is ...[Details]
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In some cases, it is necessary to compare and analyze waveforms in different time periods. The traditional method is to manually draw the waveforms on paper and then compare them. This is not only in...[Details]
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1. Market status of anti-theft alarm system
The anti-theft alarm system, together with the video surveillance system, access control system, building intercom system and electronic patrol ...[Details]
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For more than a decade, iPhone assembly has been dominated by Taiwan's Foxconn and Pegatron, but Apple has been expanding its relationship with suppliers in mainland China. According to a report by N...[Details]
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1 Introduction
The development of computer and its interface technology and the shortcomings of traditional test and measurement instrument systems have made computer-based virtual instrument ...[Details]
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I recently used RS485, so I found some information and saved it for later use.
--------Please do not modify the above part! -------------
Improve the reliability of 485 bus
Abstract: This ...[Details]
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Sina Digital News reported on the morning of December 19 that Apple is investigating an alleged large-scale fraud case by some Foxconn managers who used substandard iPhone parts to assemble iPh...[Details]
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At present, the programmable controllers (PLCs) selected by domestic users are still mainly foreign products. An important reason for this situation is that developed industrial countries such as E...[Details]
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The former head of Canada's spy agency believes that even if Huawei's 5G networks are banned, China can only cause "limited" damage to Canada and its Five Eyes allies. “From a Canadian perspective, I...[Details]
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Out-of-stock is an unavoidable keyword in 2020. From mobile phones to computer accessories, game consoles and notebooks, there has been an unprecedented supply shortage. It is not only high-end digi...[Details]
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Today, realme Vice President Xu Qi announced that realme X7 Pro is the first to try out Android 11. This is the first MediaTek Dimensity 1000+ phone to adapt to the Android 11 system. It is r...[Details]
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MSP 430 MCU key program #include msp430x14x.h #include "key.h" void Init_Port(void) { //Set all pins of P1 port to input mode during initialization P1DIR = 0; //Set all pins of ...[Details]
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DHT11 is a temperature and humidity sensor with calibrated digital signal output. The accuracy is +-5%RH, the temperature is +-2℃, the range is 20-90%RH, and the temperature is 0~50℃. 1. Circuit co...[Details]
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The problem of unstable servo motor speed usually involves multiple factors. The following is a detailed analysis and solution to this problem:
1. Cause Analysis
(1) Problems with the mot...[Details]