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First understand the SD card protocol 1. SD Card Protocol Overview Command: Sent by the host on the CMD line Response: Sent on the CMD line by the addressed card. Data: On the data line, use DAT0 or ...[Details]

① Maximum reverse leakage current ID and rated reverse shutdown voltage VWM. VWM is the maximum continuous working DC or pulse voltage of TVS. When this reverse voltage is added between the two pole...[Details]

Phenomenon 1: Fault phenomenon: Alarm or vibration continues after 1-2 seconds of power on. Cause analysis: This phenomenon usually occurs due to excessive sensitivity and insufficient power. Some u...[Details]

      Coolpad COOL10 is now available for pre-order. Officials say this is Coolpad’s first new phone launched in China this year, and it’s equipped with an 8-core processor.        According to rep...[Details]

1 Design goals and ideas The design goal of this paper is to complete the output of 4 kinds of waveform signals, namely sine wave, triangle wave, square wave and sawtooth wave, and make them have t...[Details]

According to Nikkei, Apple plans to increase iPhone production by 30% to 96 million units in the first half of 2021. According to an analysis report from JPMorgan Chase, iPhone production has been su...[Details]

Preface At present, mainstream MCUs such as STM32 or EFM32, which have relatively powerful performance, have officially provided library files and functions, with high encapsulation programs. When co...[Details]

With the continuous development of science and technology, the automotive industry is also constantly innovating and upgrading. In this process, automotive connectors, as a key component, have beco...[Details]

On the evening of October 29, Silan Microelectronics released its third-quarter performance announcement, stating that its revenue in the first three quarters of 2020 was approximately 2.964 billion ...[Details]

Facebook said on Sunday it had fixed a problem that had prevented some users from using Facebook, Instagram and WhatsApp, according to Reuters. However, Facebook did not explain why the problem occur...[Details]

A quality factor meter determines the quality factor, Q, of a resonant circuit, crystal, or resonator by measuring the series resistance at the resonant frequency. The relationship between the qualit...[Details]

A delegation from the Secretariat of the Chinese Graduate Student Innovation Competition, Anhui University, and Hefei University of Technology visited Teradyne Hefei Branch May 8, 2023, Beijing, Ch...[Details]

First, let’s reveal the results of our vote on “Will the price of mainstream smart electric vehicles in the future be higher or lower than 150,000 yuan?”:   From the voting results in this article...[Details]

The IoT Think Tank has conducted an assessment of the development level of 5G+Industrial Internet, and formed the assessment results by surveying industrial enterprises, collecting information and da...[Details]

CoreEngine Technology recently announced that its all-scenario high-end autonomous driving chip "Xingchen-1" was successfully powered up and quickly exceeded all performance design targets. The chi...[Details]