ECG ten electrodes and 12 leads1. I don't know much about how to obtain electrocardiogram information using ECG. Why is ECG called 12-lead when it only has ten electrodes? What is the relationship bet...
Why can't the P0 port of STC8A8K32S4A12 output a high level? The quasi-bidirectional IO port is set, and nothing is connected to the outside. When the low level is set, 0V is normal, and the high leve...
LED lights are now extremely commonly used lighting and decorative equipment. They are favored by users for their energy saving, environmental protection, long life and good safety performance. The es...
Generally speaking, when we hear PID, the first thing that comes to mind is the PID algorithm, Proportional, Integral, Differential. In fact, another commonly used explanation for PID is Photo Ionizat...
CC2541 and MSP430 communicate via serial port. The levels of CC2541 TX and MSP430 RX are reversed. The communication is not normal. How to solve this problem? I am connecting directly. Do I need to co...
Function generators are effective general-purpose instruments in the electronics industry, both in infrastructure and manufacturing. They can generate a wide range of signals of varying frequencies a...[Details]
The narrow beam radar speedometer has two installation methods, measuring speed in two directions, and there are four installation methods in combination. 1. Top installation method: Speed test in ...[Details]
In addition to OnePlus 8 and 8 Pro, it is reported that the Bullets Wireless Z wireless headphones and Warp Charge 30 wireless charging pad will also be released on April 14. Now foreign media T...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
Currently, a large amount of dysprosium and other rare earth elements are used in the neodymium sintered magnets of electric and hybrid vehicles. However, the reserves of dysprosium are very small. I...[Details]
It is observed that in the entire 8-bit, 16-bit and 32-bit MCU market, 8-bit and 16-bit have a great trend of evolving towards 32-bit, and 32-bit product suppliers are obviously gaining more and more...[Details]
Continue to learn core initialization-disable interrupts
Everyone is familiar with the concept of interrupts. The concept of interrupts is introduced in the 89C51 microcontroller series. In the 89C51...[Details]
Sources said LG Display has been evaluating the deposition process for Gen 8.5 (2200x2500mm) OLED panels since December last year and is currently conducting the process at its supplier Sunic System'...[Details]
introduction With the continuous development of new technologies, digital substations are emerging. Driven by smart grid planning, digital substations will become the mainstream of new substations in...[Details]
CAN-bus is one of the most widely used field buses, but many very skilled CAN engineers cannot answer the question of how many bits a CAN message has. Today we will explain how many bits a CAN messag...[Details]
Tencent Technology (Shenzhen) Co., Ltd. has acquired the Dachanwan A002-0076 plot of land in Xixiang Street, Bao'an District, Shenzhen, at a listed price of 8.52 billion yuan. It will build Shenzhen'...[Details]
At the beginning of 2019, Honor Play 8A was officially released. This 100-yuan phone won the sales champion until last year's Double Eleven thanks to its high cost performance. In addition, what are ...[Details]
1. Understanding of carrier-based SVPWM
1.1 Theoretical Analysis
The three-phase inverter topology is as follows:
Fig1 Three-phase inverter circuit
Let's try to understand...[Details]
According to the latest industry news, Intel 's first independent graphics card based on the Xe architecture will be released in mid-2020, and the core will be manufactured using a 10nm process - the...[Details]
From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]
Test/Measurement
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