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USB Type-C and PD are complicated   When using a universal connector that can be plugged into a power source or device, negotiating which device powers which device can seem daunting to product desi...[Details]

As early as more than two years ago, it was widely rumored in the industry that OPPO had begun to "develop its own chips". According to the latest revelation from Weibo blogger @数码闲聊站, the results of...[Details]

In the 2008 Zhejiang Province College Students Electronic Design Competition, there was a topic called "Music Player Design", which required playing music with 12 keyboards. One of the te...[Details]

The attitude towards adversity determines a person's resilience. A person with strong resilience can find the spark of hope in difficulties and still find light in darkness. The same is true for ente...[Details]

The standard 51 MCU has two timers, T0 and T1. T is the abbreviation of Timer. Now many 51 series MCUs will add additional timers. Here we will talk about timers 0 and 1. As mentioned earlier, each f...[Details]

1 Overview The design of intelligent instrument program-controlled interface circuit first determines the interface function of the instrument according to the function of the instrument. ...[Details]

　　According to information from the Ministry of Industry and Information Technology, on August 7, 2019, a vivo mobile phone model "V1928A" was registered with the Ministry of Industry and Informati...[Details]

Voice broadcast ultrasonic ranging program, voice integrated circuit uses ISD4004 SS connected to P1.2 MOSI connected to P1.0 MISO connected to P1.1 SCLK connected to P1.3. Ultrasonic module uses comm...[Details]

Capacitive sensing isn’t just used in your smartphone; it also finds its way into products like medical devices that must come in contact with human skin. This article shows how to use capacitive sen...[Details]

LED is a light-emitting element made of semiconductor materials that can emit light when electricity is applied. The materials use III-V chemical elements (such as gallium phosphide (GaP), gallium ...[Details]

1. Turn on the machine and check the waveform of each channel one by one. It is found that channel 1 is seriously distorted. 2. Preliminary judgment of sampling board failure based on experience, d...[Details]

The official Weibo account of Master Lu announced the June new phone performance rankings, with a total of 10 models shortlisted. Judging from the list, Huawei Mate40 Pro 4G equipped with HarmonyOS...[Details]

    1. Introduction 　　The automotive PEPS system is rapidly becoming one of the most representative solutions in vehicle wireless entry applications. The so-called PEPS is the abbreviation of Passi...[Details]

Electric vehicles are becoming increasingly popular due to their environmentally friendly characteristics in terms of quality, functional simplicity and, most importantly, energy efficiency. Functi...[Details]

For the serial port output, 210 is the following garbled code according to the previous operation. The first thing that comes to mind is probably the baud rate problem, which is a c...[Details]