Translated from the 1997 high-performance system design conference . Original author Donald Telian Abstract : Unlike a mature discipline, signal integrity engineering methods and practices are not wel...
The figure shows the signal before the logic analyzer collects the 485 chip. The CS signal does not wrap the entire TX frame. The CS pull-up and pull-down settings are set before and after sending....
Some experience in Bluetooth configuration, suitable for novices to quickly get started!Summary of Bluetooth configuration experience- Taking HC05 and HC06 as examples - Author: Zhang Xinbin
1. Prepar...
As consumers pay more and more attention to air pollution, air purification products have gradually become the focus of the market, and many people have installed air purifiers at home. One of the con...
When using STVP to program stm8, the erase option is always grayed out. Erasing method: Step 1: In OPTION BYTE, set the ROP option to Read Out Protection ON, and then burn (select Program, Curren...[Details]
On August 23, Quectel released its 2021 semi-annual report showing that its operating income in the first half of the year was 1.822 billion yuan, a year-on-year increase of 43.85%; its net profit wa...[Details]
At the end of the year, the north has entered deep winter, but Xiamen, Fujian, on the coast of the East China Sea, is still thriving with red and green flowers flying, egrets flying and clouds soar...[Details]
The triangle wave generating circuit is shown in the figure. It is a general triangle wave generating circuit. In this circuit, operational amplifiers A1 and A2 are positive and negative peak detecti...[Details]
According to Jiwei.com, on April 19, the National Development and Reform Commission held a press conference. Meng Wei, spokesperson for the National Development and Reform Commission, said that in t...[Details]
In the component industry, the most talked about thing about the iPhone 4 is the boom in the touch screen and MEMS sensor industries it has brought. In fact, there is another area that has not been p...[Details]
1. "Three-phase to single-phase", "three-phase to two-phase" and so on
The Russians said that in 1888, Russian Dobrovolsky invented the three-phase system, and the following year he invent...[Details]
Let's talk about memory mapping first: the so-called memory mapping refers to mapping different memories on the development board to the 4GB address space visible to developers. For example, assuming...[Details]
The picture below shows the SD card part of the Wanli board
SD_PWR is connected to PD10 through a control
P-Channel 2.5-V (GS) MOSFET controls the power supply of the SD card
===...[Details]
At present, there are gas stations all over the country, and most of them use mechanical counting of gas pumps and manual statistics of refueling volume, which makes the statistics and management o...[Details]
"The chip I have is really big and has really good performance." On September 25, Zhang Jianfeng, President of Alibaba Cloud Intelligence, released the AI chip, Hanguang 800, at the 2019 Hangzhou ...[Details]
Peak current
control
mode is often
the preferred approach for
power supply
designers because its
control
-to-output transfer function has a first-order frequency response. Th...[Details]
Serial communication Selected chip: AT89S52 Function function: See the following code. /******************************************************************* Function: The PC sends data to the microc...[Details]
In a certain type of underwater vehicle self-sinking system, a certain alloy material can work normally in seawater for a certain period of time, but will be corroded by seawater after the normal ...[Details]
The soft starter is an electrical device widely used in the industrial field. It controls the starting current of the motor to achieve smooth starting of the motor, reduce the current shock during ...[Details]
RF/Wirelessly
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