GPIO is connected to a device output pin, GPIO is set to OD, and external 5V is added to pull it up.#define TLC2543_SO_read GPIOC->IDR & GPIO_Pin_7Why can't I read data?...
I have a USB composite device with audio (usb audio class) and HID functions. The audio function includes an interface for recording and an interface for playback; the HID includes an interface for ke...
Design a USB3.1 high-speed SD Card reader based on Genesys GL3224 QPN48 chip, the production cost of a single card is less than 10 yuanSupport external SPI data configuration, support dual-card dual-c...
The target board platform I'm working on recently is ARM9 + WINCE5.0. I developed it with windowsXP+vs2008+qt-embedded-wince-opensource-src-4.5.2, and the SKD uses STANDARDSDK_500. QT is already embed...
Through the analysis of the parasitic characteristics of vias, we can see that in high-speed PCB design, seemingly simple vias often bring great negative effects to the design of circuits. In order to...
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Administration (USPTO) for a patent for a remote vehicle control system that may be used in future ...[Details]
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
According to foreign media reports, researchers at the University of Surrey have developed an artificial intelligence system that can accurately locate the location of equipment in densely populate...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
In the electronics manufacturing industry, surface mount technology (SMT) placement machines are core equipment for production lines. However, with many different models available on the market, ch...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
HTTP is the abbreviation of Hypertext Transfer Protocol. It is an application protocol based on TCP/IP communication protocol used to transmit HTML and image files. It is an application-level objec...[Details]
stm32/stm8
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