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The following is a summary of the author's modification of ST's Custom_HID routine to a "custom USB device" routine. Because the author has just learned USB development, some misunderstandings are ine...[Details]
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Host environment: Windows 7 SP1 Development environment: MDK5.14 Target board: ST NUCLEO-F303RE TFT model: 2.4 inches, with touch, SD card, 240*320 resolution, 260,000 colors Driver IC:ILI932...[Details]
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Many MCU learners always fail to grasp the key points. From the high enthusiasm at the beginning of learning to the frustration and giving up at the end, everyone has a feeling of both love and ...[Details]
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While startup and shutdown tracking can be done externally for any given DC/DC converter, power sequencing requirements vary from system to system. Solutions include application-specific standard pr...[Details]
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In recent years, with the development of computer technology and integrated circuit technology, embedded technology has become increasingly popular and has played an increasingly important role in t...[Details]
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According to foreign media reports, Land Rover, one of the most iconic car brands in the world, recently released a mobile phone, the Land Rover Explore R. This is already the second mobile pho...[Details]
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This article introduces Powerint's high power factor (PF) TRIAC dimming LED driver. The driver is designed to drive a nominal LED string voltage of 30V (at 0.5A) with an input voltage range of 180VAC~...[Details]
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Debugging of FPGA hardware circuits
When debugging FPGA circuits, you must follow certain principles and techniques to reduce debugging time and prevent misoperation from damaging the circuit. U...[Details]
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Keil MDK3.20 debug stm32 method under ULINK 1. Programs run in RAM Key points: (1) Change the download address of the program to the RAM space (2) Before debugging the program, set the SP ...[Details]
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GSA confirmed today that there are now 153 operators in 64 countries/regions (as of mid-March 2021) that have announced 3GPP-compliant 5G for mobile or FWA services. A total of 428 operators in 132 c...[Details]
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Tablet PC Channel of Pcpop.com, February 8th: Google and Samsung jointly released the latest operating system Android 4.0, codenamed Ice Cream Sandwich, and the official Google prototype Galaxy Nex...[Details]
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According to foreign media reports, Valeo, a leader in ADAS sensors and related functional software, announced a collaboration with German company Leoni to combine the strengths of both parties to pr...[Details]
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WATERLOO, Canada, COLOGNE, Germany, SHANGHAI, China – December 10, 2019 – BlackBerry (NYSE: BB; TSX: BB) today announced that the QNX Hypervisor for Safety 2.0 has been certified by independent audit...[Details]
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6-bit coded AC power switch
The circuit uses 4 CD4013 BE type double triggers. 1 inverter and 1 optical isolator to drive 1 three-terminal bidirectional controllable switch. The circuit can swit...[Details]
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Last time, we learned the first section of code. This time, we will learn the second section of code. The second section of code is mainly used to save data.
/*
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Analog electronics
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