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buzzer: The source refers to whether it contains an oscillation circuit. Passive buzzer: has a green circuit board; cannot be directly controlled by high or low level, but can only be triggered by ...[Details]
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1 Introduction In today's post-PC era, embedded systems are used more and more widely, and embedded products are used in many fields. Mobile phones, MP4s, PDAs, etc. used in daily life are all typica...[Details]
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(1) Send the signal to be measured to the vertical input terminal of the oscilloscope. (2) Determine the polarity of the DC voltage. Set the oscilloscope's input coupling switch to the "GND" positi...[Details]
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Often, you need to get the current date and calculate some other dates. For example, your program may need to determine the first or last day of a month. Most of you probably know how to split a date...[Details]
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Jiwei.com reported on March 11 that the well-known mobile phone evaluation organization DXOMARK recently announced the camera scores of ZTE Axon 20 5G, with a photo score of 89, a video recording sco...[Details]
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On February 22, Yan Linsheng, member of the Party Committee, Minister of the Propaganda Department, and spokesperson of the Inner Mongolia Electric Power Group, introduced to the media the specific...[Details]
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Since 2020, the COVID-19 pandemic and the "contactless economy" have driven a significant increase in the number of VR users and the daily active time of users. Entering 2021, the "metaverse" has g...[Details]
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You can change the volume by modifying this parameter #define AUDIO_DEFAULT_VOLUME 70 ...[Details]
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Intel demonstrated an early prototype of the next generation of Thunderbolt based on the newly released USB4 v2 and DisplayPort 2.1 specifications.
80Gbps bidirectional bandwidth,...[Details]
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Sony announced in January that due to a shortage of PS5 console parts, production could not be increased in the short term. In order to ease the demand of players, it will continue to produce t...[Details]
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Today, realme officially announced that the first Dimensity 1200 processor will be launched on March 31. The official poster shows that the realme GT Neo phone adopts a rectangular camera module...[Details]
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Compilation environment: I use (Keil) MDK4.7.2 STM32 library version: I use 3.5.0 1. This article does not give a detailed introduction to the basic knowledge of FLASH. Please refer to relevant ma...[Details]
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Crystal diodes have two electrodes, positive and negative, with small forward resistance and large reverse resistance. Taking advantage of this feature, you can use the resistance range of a multimet...[Details]
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Huabei announced the official launch of the "Spring Festival Travel Interest-Free Installment Plan". After users search for "Spring Festival Travel" on Alipay to receive Huabei's interest-free instal...[Details]
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cost:
The short-term growth of automotive LiDAR is highly certain, and the cost is continuing to fall. The transceiver module accounts for the majority of the BOM cost of LiDAR, and the transc...[Details]