There are many high-frequency ultrasonic sensors for sale on the Internet, but they do not have the relevant sensor processing circuits.
How can we design this kind of circuit? The sensor doesn’t seem...
Introducing a national invention patent - a smart water meter with one card. The patent was applied by Zhengzhou Leyuan Electronic Technology Co., Ltd. and was authorized on January 9, 2018.Contents
T...
There are generally two reasons for oscilloscope waveform jitter. One is that the signal is not synchronized, which is a problem with the oscilloscope trigger setting. The other is that the signal its...
Signal integrity is the main criterion for measuring signal quality with an oscilloscope, especially when we need to observe small signals or slight changes in large signals, signal integrity becomes ...
I have seen similar millimeter wave human body sensing modules on Taobao before. The cheapest one is only a dozen yuan.
I didn't find any information about this XenD101 module, but I guess it won't be...
With the emergence of smart phones in recent years, the importance of mobile phone booth anti-theft has become increasingly prominent. Huawei once launched a UWB mobile phone wireless anti-theft proj...[Details]
We are in an era of great changes in automobile technology and driving methods. On the one hand, we can enjoy the benefits brought by various black technologies and new energy vehicles, which is of c...[Details]
introduction
When an electric field is applied to a crystal or liquid, the refractive index of the crystal or liquid changes. This phenomenon is called the electro-optic effect. The electro-op...[Details]
We know that the microcontroller has ROM, RAM, and parallel I/O ports. So, apart from these things, what else is inside the microcontroller? How are these bits and pieces connected together? Let's ...[Details]
At present, most electronic badges have a single display mode, the display content cannot be changed at will, the power consumption and cost are high, the size is large, and it is not suitable fo...[Details]
According to news on June 20, South Korean battery giant Samsung SDI recently participated in the InterBattery Expo in Munich and announced its latest progress in lithium iron phosphate (LFP) batteri...[Details]
On May 22, the 2nd China Photovoltaic + Innovation Development Forum and the "Leader" Base Experience Exchange Meeting was grandly held in Datong, Shanxi, gathering nearly 100 photovoltaic industry ex...[Details]
Recently, there is news that Visionox will receive more than 5 million OLED orders from Huawei and nearly 10 million OLED orders from Honor this year. "At present, Visionox has confirmed that it has ...[Details]
1. Engine electronic control system
The engine electronic control system (EECS) electronically controls engine ignition, fuel injection, air-to-fuel ratio, exhaust emissions, etc., so that the...[Details]
Nowadays, when choosing a car, many consumers already pay attention to whether the car machine is smooth and whether the application is rich. If you say no, I want to ask, you at least care about whe...[Details]
Today, ASUS and Tencent launched the ROG gaming phone 2 in Beijing. In addition to the 120Hz refresh rate screen, a major highlight of this phone is the first Snapdragon 855 Plus processor. In orde...[Details]
A multimeter is an instrument commonly used by electricians. It can measure voltage, current, resistance, and even distinguish the polarity of diodes and transistors. As the name suggests, it has man...[Details]
1.
Current type control
Principle and characteristics
principle:
The current-mode pulse width modulation (PWM) controller adds a current feedback control lin...[Details]
Semiconductor companies around the world are engaged in a fierce technological competition to be the first to mass-produce NAND flash memory with more than 200 layers. Samsung Electronics plans to la...[Details]
Recently, the 2.1MW/4.2MWh energy storage power station built by Hitech Smart Energy in Guangzhou City, Guangdong Province was successfully connected to the grid and put into operation. This en...[Details]