Why do PCB circuit boards need to use three-proof paint? [/font][/color][/align] [align=left][color=rgb(62, 62, 62)][font=-apple-system-font, BlinkMacSystemFont, "]Three-proof paint is also called PCB...
I found this using the stm32f103c8t6 minimum system board. When the ADC is converting, the reading value is normal without the sensor plugged in, but when the sensor is plugged in, the data fluctuates...
I would like to ask, if I use the constant voltage mode of the power supply to test an inductive load, I would like to ask what parameters to look at to know whether the current response of this power...
In a project I am currently working on, there is a component whose maximum working voltage is 18V, which cannot pass the 400ms 34V test of P5B. The current improvement plan is to connect a varistor in...
Is the MAC address of STM32F429 or STM32F407 fixed and unique? If it is not unique, do I need to write it myself? [/color][/size][/font][/color] [color=rgb(102, 102, 102)][font=Tahoma, Verdana, Arial,...
I want to send MP3 through 433M wireless module, and the other end will send it to the microcontroller after receiving it. The microcontroller will decode and play it through the decoding chip. I don'...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
Beijing time, July 2 morning news, Google last week released its own brand tablet computer Nexus 7, equipped with its latest operating system Android 4.1 "Jelly Bean". But market research firm Ovum sa...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
1. Introduction
With the development of electromechanical technology, electronic technology has also penetrated into the automobile braking system, and a new technology called "electronic brak...[Details]
PCB Design
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