3N201

After analyzing the USB bus driver in the previous chapter, let's start writing a USB driver: In this program: Use the left button of the USB mouse as the L button, the right button of the USB mous...[Details]

       According to foreign media XDA forum, ASUS ZenFone 7 series mobile phones recently received the Android 11 system update, which improved many built-in applications, cancelled the one-handed op...[Details]

     Yesterday, Aragonite released a new 6-inch ink screen e-book - Aragonite BOOX Poke4S. The biggest feature of this e-book is that it is pre-installed with the open Android 11 system, and you can ...[Details]

　　Because of their almost paranoid risk-taking, SoftBank's Masayoshi Son and Hanergy's founder Li Hejun are both regarded as "crazy". Let's follow the power management editor to learn more about the ...[Details]

     Due to the continued shortage of electricity supply, many provinces and cities have adopted power rationing measures. According to Jiwei.com, several key suppliers of Apple and Tesla have announ...[Details]

    Abstract: With the single-chip microcomputer as the control core, the calculation and control functions of the single-chip microcomputer are used to realize the precise curve control of the engin...[Details]

UART (Universal Asynchronous Receiver and Transmitter) is a universal asynchronous receiver/transmitter. UART provides an RS-232C data interface. What is UART? UART is a universal serial data bus u...[Details]

Using AT89S51 Single Chip Microcomputer to Make Infrared TV Remote Control The actual product is shown in the figure below: The output of a typical infrared TV remote control is generated by pulse...[Details]

In recent years, TWS wireless Bluetooth headsets have been favored by users, so how do they work? TWS wireless Bluetooth headsets are connected wirelessly via Bluetooth. There is no connection line b...[Details]

Recently, Qualcomm released an audio technology called Snapdragon Sound, which will optimize hardware, software, wireless connections, etc., improve current wireless audio technology, connection stab...[Details]

According to the announcement of the review results of the 23rd meeting of the Mergers and Acquisitions Committee of the China Securities Regulatory Commission in 2020, Jiangfeng Electronics' issuanc...[Details]

As a general measuring instrument, an oscilloscope cannot be used without its matching probes. In the face of a wide variety of probes, the appropriate selection and correct use determine whether acc...[Details]

According to the latest report from research firm Strategy Analytics, global tablet shipments reached 32.2 million units in the first quarter of 2020, a year-on-year decrease of 12%. This year, due t...[Details]

One approach to driving high-brightness LEDs is to modify the standard boost converter topology to drive a constant current through the load. However, this implementation presents a serious problem b...[Details]

　　1 Introduction 　　The liquid level measurement and control instrument is a type of intelligent instrument (referring to instruments using microprocessors), and its development began in the 1970s...[Details]