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I need to design a night Bluetooth switch light design. The Bluetooth chip used is JDY-30. At first, I didn't know the specific model. Later, after connecting the Bluetooth, I found that it was JDY-3...[Details]
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Today I will mainly introduce digital tubes. In fact, after learning about light-emitting diodes, digital tubes are not difficult to understand, because the two are originally connected. First, let's ...[Details]
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At the recent Apple conference, the iPhone series, iPad series, and Apple Watch series all received product line updates. However, due to Apple's increasingly weak confidentiality in recent years, mo...[Details]
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According to foreign media reports, Google released an update for Nexus S on Thursday, adding video and voice conversation features to the Android version of Google Talk. Nexus S users can use the ne...[Details]
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High reliability, powerful functionality, high speed, low power consumption and low price have always been important indicators for measuring the performance of microcontrollers, and are also necessa...[Details]
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1 Introduction
Traditional radar transmitters use dedicated signal generation modules, which cannot arbitrarily set waveform form, parameters, signal center frequency, signal power, etc. This ...[Details]
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Tianyancha data shows that on April 10, Shanghai Huawei Technologies Co., Ltd. underwent industrial and commercial changes. Huawei CEO Ren Zhengfei withdrew from the company's board of directors, and...[Details]
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The turbine flowmeter is a flow meter that is widely used in flow measurement in industrial production. As part of the turbine flowmeter kit, the connecting wire and cable of the turbine flowmeter is...[Details]
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With the rapid development of smart cities, everyone must have heard about using AI to manage traffic congestion. But what about using AI to manage invisible data highways? That’s right, it refer...[Details]
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The measurement of phase difference plays an important role in studying network characteristics. How to measure phase difference quickly and accurately has become an important topic in production and ...[Details]
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The standby mode of stm32 is the most power-saving mode of stm32. Almost all internal registers are powered off, and only the standby circuit and RTC parts are powered on. If all registers are powere...[Details]
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Danbang Technology released the "2019 Private Placement Plan". The company plans to privately place no more than 110 million shares to 10 specific objects and raise no more than 2.15 billion yuan. Am...[Details]
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Integrating fuel cells with batteries, supercapacitors or other energy storage devices to form a hybrid power source can solve many dynamic power supply and heat generation problems. However, thi...[Details]
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1. Analog signal
Analog signals are physical quantities that are continuous in both time and value, with infinite values, and their mathematical expressions are necessarily complex, such...[Details]
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The WiFi signal at home is not strong? Don't worry, put a WiFi signal amplifier made of cans on the wireless router, and the signal will be enhanced. Recently, a Weibo post titled "Homemade WiFi Sign...[Details]