I would like to ask what does Ground plane removed under Vin- mean in this picture? Does it mean that V- should be separated when laying ground in PCB design? Why should it be separated?...
USB audio solution, USB sound card solution1. Product description
ATE1133 is a chip that includes an audio codec, a HIFI-level single microphone input, and a stereo headphone output solution. It integ...
Customers often ask us, because the terminal is used in a harsh environment and is basically constantly vibrating, what kind of LCD screen should be used for a long time in a vibrating environment?
Wh...
Welcome the New Year, everyone has a happy New Year~ I am here to report to the admin~ I started working today~ After the New Year, what new developments are there in the evaluation industry? Let's ta...
The NTC on the expansion board is connected to the A0 interface of the development board, which corresponds to the PA3 pin, the ADC of the 8th channel.
This time we use the ADC_MultiChannelSingleConve...
introduction
A stratospheric airship is an aircraft that uses lighter-than-air gas (such as helium) to generate buoyancy as lift to fly in the stratosphere. It relies on the static lift generat...[Details]
In my personal opinion, for electric vehicles, the most reliable method for thermal management of battery packs is similar to the following method.
From the perspective of reliability, I will ...[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]
What practical benefits can the application of virtual instruments bring to users? Generally speaking, it is to complete more complex test tasks with less cost, which is specifically reflected in the ...[Details]
According to rumors, the M3 core is defective, but this defect will not be revealed to the general public at the conference. I am using the stm32 with the M3 core and I am looking for some defects...[Details]
According to Jiwei.com, following the China Market Supervision Administration, the European Commission has also recently launched an antitrust investigation into Samsung, Hynix, and Micron. People fa...[Details]
At present, single-chip microcomputers have been widely used in electronic products. Many types of single-chip microcomputers have internal A/D conversion circuits, but the price of such singl...[Details]
When some stepper motors do not indicate the winding phase sequence of the lead wires, you can use a multimeter and a DC power supply to find out the phase sequence of the lead wires. For examp...[Details]
The circuit for measuring single-phase AC power using a single-phase power meter is shown in the figure. W in the figure is the single-phase power meter, and the connection of the power meter must co...[Details]
The hardware watchdog uses a timer to monitor the operation of the main program. That is to say, during the operation of the main program, we need to reset the timer before the timer expires. If an i...[Details]
The medical protective mask respiratory resistance detector is used to measure the inhalation and exhalation resistance of the mask under specified conditions. It is suitable for mask manufacturers a...[Details]
I. Introduction/Abstract
The market for solar inverters (photovoltaic inverters) is growing due to the demand for renewable energy. These inverters need to be extremely efficient and reliabl...[Details]
1. Pinout Note: The latest document has deleted "only one pin can be used as output at the same time", which means that three pins can be used as output pins at the same time, and other conditions...[Details]
As an international veteran, Sony has always been a powerful presence in the fields of games, television, imaging, music, etc. However, in terms of smartphones, Sony seems to have always been ...[Details]
Analysis of AC voltage drive circuit and design principle
The AC circuit implementation scheme is explained with a simple 2×2 dot matrix driving circuit structure, as shown in Figure 3. In the figu...[Details]
PCB Design
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