[i=s]This post was last edited by dcexpert on 2019-8-20 23:44[/i]A few months ago, Make announced that it would cease publication due to financial problems. A few days ago, Make announced its return.A...
Speaking of the difficulties of switching power supplies, PCB layout is not a big problem, but if you want to lay out a good PCB board, it must be one of the difficulties of switching power supplies (...
The convenience and risks brought by IoT and edge computing are:
If critical data packets at the edge of the network cannot be accessed, how can network security and service quality be guaranteed?
Sch...
Yesterday, the "Top Ten Viruses Ranking and Virus Epidemic Report for the First Half of 2006" was released. The "Gray Pigeon" Trojan and its variants ranked first in the top ten viruses due to their w...
Choice of architecture
A few days ago, I ported python 3.8 to the development board. The advantages of python are obvious, such as no need for cross-compilation, simple syntax, and many packaged libra...
With the development of computer technology and microelectronic computing, single-chip microcomputers have been widely used in industrial control, household appliances, intelligent instruments and oth...[Details]
In the single-chip microcomputer system, LED digital display is usually used to display various numbers or symbols. It is widely used because of its clear display, high brightness, low voltage and lo...[Details]
Last time, we finished talking about the low-level initialization of Nand Flash. The operation of Nand Flash is mainly in board_init_f_nand(), which involves copying the code from Nand Flash to DDR. ...[Details]
1Set LockTIme frequency conversion lock time 2Set the multiple of FCLK and crystal oscillator input frequency (Fin) 3Set the ratio between FCLK, HCLK and PCLK LockTIme The frequency convers...[Details]
This afternoon, I started to learn STM32 GPIO control. At first, I thought it was the same as AVR microcontrollers. It was just setting the direction register and pin register, and a row of pins chang...[Details]
Nowadays, China has a huge stock of optical fiber networks, and new optical fiber networks are being constructed rapidly; road construction, floods, landslides and other natural disasters are the mai...[Details]
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Analog fan control circuit
1. Timing setting. Each press of the timing value is 0 minutes---2 minutes----4 minutes---6 minutes----8 minutes--10 cycles.
2. There are three working modes of the ma...[Details]
Most portable
products
that
use white light-emitting diode (WLED
)
backlight
displays
also require auxiliary
LED lighting
. Two
ICs
are typically required
: a...[Details]
SMA, a world-leading professional inverter developer, has launched a new inverter for home use with high-voltage batteries. With the Sunny Boy Storage inverter, SMA has become the only supplier tha...[Details]
The interrupts of the 2440 processor are organized into two layers: primary interrupts and secondary interrupts, and a total of 60 interrupt sources can be handled. After the primary interrupt and ...[Details]
Bigo Technology shares: The new products that Apple brought at its spring conference have been on the market for some time, and more and more users have already got them to use. The evaluation and fe...[Details]
With the continuous improvement of microelectronics process technology and IC design technology, the entire system can be integrated on a single chip, and the complexity of system chips is increasi...[Details]
1. Design ideas
When the microcontroller is initially powered on, the VDD rising edge detection circuit is the first to work in the reset system. During the power-on process, due to the presenc...[Details]
According to Engadget, Samsung is not the only Korean technology giant affected by the epidemic. LG Display recently temporarily closed its mobile phone screen factory in Gumi, South Korea, aft...[Details]
In recent years, smart cockpits have become a hot topic in the field of passenger cars. Smart cockpits bring a more intelligent, comfortable and safe driving experience, attracting the attention of...[Details]