Recently, I debugged the STM32F205USB communication and used two USBs of F205 , one HS and one FS. However, both used HS, and both acted as USB hosts to connect other USB peripherals. After debugging ...
[color=#333333][size=14px]Like ordinary instruments, after the electromagnetic flowmeter is installed and wired, before it is officially put into operation, you should check whether the following inst...
[i=s]This post was last edited by mzb2012 on 2019-5-7 10:45[/i] [b][size=5][color=RoyalBlue]1. Background[/color][/size][/b] CodeBug is a small board that looks like a bug. It is simple and interestin...
The battery of my HP laptop is swollen, model HT03XL. Where can I get a new battery? After-sales service said it would take a long time for the manufacturer to ship it, so I had to buy it myself. The ...
On the morning of August 30, Rovio Entertainment, which has released well-known games such as "Angry Birds", was recently sued by the New Mexico Attorney General, accusing the company of colle...[Details]
Exploring the chip-level maintenance of CT equipment circuit boards has a positive significance for expanding the technical level of CT maintenance and reducing maintenance costs. At present, CT eq...[Details]
The appearance of the ACS712 current detection and alarm module system: ACS712 circuit schematic: The ACS712 microcontroller source program is as follows: Function: detect current, digital tube...[Details]
Encoder classification: According to the working principle: photoelectric, magnetoelectric and contact brush type According to the hole engraving method of the code disk: incremental and absolute ...[Details]
It is no exaggeration to say that the development history of smartphones is a microcosm of smart cars. From simple phones for making calls, they have evolved into intelligent carriers that connect ev...[Details]
Recently, a screenshot of realme GT 2 Pro's running score appeared on the AnTuTu platform, which not only gave the score but also revealed its main specifications. AnTuTu shows that this device has...[Details]
The 2019 South China Industrial Smart Manufacturing Exhibition (hereinafter referred to as "SMF 2019") will be held in Shenzhen Convention and Exhibition Center from Wednesday to Friday next week (De...[Details]
I am not very educated, and I have always wanted to make a remote control switch, but I have not been able to do it because I have too little knowledge. Until I learned the microcontroller, this littl...[Details]
Regular inspection
Check the terminal voltage and internal resistance of each unit battery regularly. For 12V unit batteries, if the terminal voltage difference between each unit battery i...[Details]
The oscilloscope principle and electron beam experimental device is a new type of physical instrument developed on the basis of the student oscilloscope. It comes with a low-frequency signal generato...[Details]
With NXP releasing the LPC1700 series of MCUs with Cortex-M3 cores, the competition around ARM's new favorite Cortex core has become fierce.
Currently, the number of authorized customers of the C...[Details]
1. Current status of foreign LED related standards, current status of LED standards, current status of LED national standards - LED industry standards
Strictly speaking, there is no standard...[Details]
Abstract: Combining zero voltage switching technology with multi-phase conversion technology can obtain a new type of multi-phase zero voltage switching PWM converter. These converters have high pe...[Details]
Marine instruments can be divided into analog instruments and digital instruments based on their working principles. Monitoring instruments based on analog combination unit instruments require a large...[Details]
1. SPI controller datasheet
1For details, please refer to: http://blog.csdn.net/hustyangju/article/details/20474659
2 All SPI registers are mapped to the kernel space and acce...[Details]
Analog electronics
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