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On the evening of May 24, Semiconductor Manufacturing International Corporation announced that due to administrative costs and other reasons, the company's American depositary shares were delisted in...[Details]
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Recently, Huawei Technologies Co., Ltd. disclosed the patent of "electric vehicle and charging method between electric vehicles". It can be seen from the patent abstract information that the embodime...[Details]
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AVR mega128 SPI control HC595
After many days of hard work, I finally have a comprehensive understanding of AVR controlling HC595 to drive digital tubes. I will write down my design experience...[Details]
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Lenovo will soon launch the Savior Y90 Dual Engine Air-Cooled Gaming Phone, which has a built-in active cooling turbo fan. Today, the official released a video showing the back of the phone. ...[Details]
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无线局域网(小型)在过去,是用于收发电子邮件和浏览网页的,无线局域网通常是由射频专家用的手动工具来排除网络故障的。但是随着数据流量大小和差异性日益显著,再加之无线局域网已经成为了网络接入的主要手段之一,无线局域网故障修复手段也得到了快速的成长。
How WLAN management tools can improve WLAN troubleshooting capabili...[Details]
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first part: STM32 key input is my second small example of input on the STM32 platform. The idea is to first query the hardware diagram to see whether the key is low-level effective or high-level effe...[Details]
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1. Quickly and easily analyze the waveforms in a switching power supply with an active power factor correction circuit
In order to obtain high power factor, most switching power supply designs...[Details]
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This paper describes the key technologies for implementing the Internet voice interaction system, namely, using the Windows multi-tasking mechanism, combined with Windows MDK low-level audio services,...[Details]
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1: Floating point simulator on early ARM:
Early ARMs did not have a coprocessor, so floating-point operations were simulated by the CPU, that is, the required floating-point operations were all perfo...[Details]
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Most designers think that all LED products are of the same quality. However, there are many manufacturers and suppliers of LEDs, and Asian manufacturers supply low-cost LEDs to the world. Surprisingly...[Details]
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Seven months later, the Loongson Independent Innovation Industrial Park was laid in Nanjing Jiangbei New District and the signing ceremony for its establishment was completed. Looking back on Septemb...[Details]
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In recent years, many countries in the world have formulated policies to phase out incandescent bulbs in stages. For example, China plans to phase out all incandescent bulbs above 60W for general lig...[Details]
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In an interview with CNBC, Microsoft's Xbox head Phil Spencer said Microsoft will continue to work on bringing Xbox Game Pass to various platforms, including Apple's iPhone. Last August, Microsoft ...[Details]
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1. When a digital multimeter measures a diode, it actually measures the forward voltage of the diode, while a pointer multimeter measures the forward and reverse resistance of the diode. That is, for...[Details]
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The Delixi inverter EM60 is a high-performance inverter widely used in the field of industrial automation. It has a variety of functions and features to meet the needs of different industries and a...[Details]