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Sina Finance News: From September 6 to 7, the China Development Forum seminar "Trade, Openness and Shared Prosperity" was held at the Diaoyutai State Guesthouse in Beijing. Wei Shaojun, direct...[Details]
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The concept of brightness of visible light emitted by an LED is fairly easy to understand.
LED dimming method
There are two common methods for dimming LEDs with switch-mode drivers: pulse...[Details]
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2020 was a roller coaster year for the semiconductor industry. At the beginning of 2020, the semiconductor business looked bright, but then the Covid-19 outbreak caused an abrupt downturn. However,...[Details]
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On the evening of May 22, two lithium battery A-share listed companies issued announcements at the same time, both involving investment in over 10 billion-level battery projects. Penghui Energy inv...[Details]
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On August 26, Xiaomi released its second quarter financial report this year. Under the influence of the global epidemic, Xiaomi's revenue this quarter increased slightly by 3.06% year-on-year, and it...[Details]
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1 Introduction As an application field of communication technology, power carrier communication technology uses existing AC power lines as communication lines, eliminating the need for unrealistic ...[Details]
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Introduction
The AD9779 TxDAC operates at DAC output sampling rates up to 1 GSPS. In some applications, such as those requiring beam steering, the user can synchronize multiple AD9779s. Ther...[Details]
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A few points to note in the front: 1. The HC-SR04 module must be powered by 5V, not 3.3V 2. If it is just for distance measurement, there is no need to use interruption 3. The Echo and Trig pins c...[Details]
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Facial recognition and other advanced biometric technologies are becoming increasingly popular in mobile devices and laptops, gradually replacing passwords and fingerprint authentication. OmniVision ...[Details]
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In the future, you can “charge” your electric car at Sinopec gas stations. On April 15, the world's first fully intelligent battery swap station jointly built by Sinopec and NIO, Sinopec Chaoying S...[Details]
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The Sony Play Station 5 Chinese version press conference has ended. Before we start summarizing the content of this press conference, let's take a look at the highlights of the previously released PS...[Details]
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1. Expert, what are the main application areas of DPOJET?
The main application areas of DPOJET are high-speed serial bus development, debugging and consistency testing, such as PCI_E/DDR/HDMI/...[Details]
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What is the role of trigger adjustment on an oscilloscope? When the trigger is not adjusted properly, the displayed waveform will be unstable. The so-called unstable waveform means that the waveform c...[Details]
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As a simple, practical example, the circuit in Figure 1 uses an 8-bit PIC microcontroller to control a 4-digit LED display to show which button is pressed. When any button is pressed, the comparator i...[Details]
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Addressing the security subsystem requirements of AIoT chips: Arm helps Entropy Technology's encryption coprocessor IP obtain PSA Certified Level 3 RoT Component certification
(Taiwa...[Details]
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