The following figure is a time delay circuit of our company. The output light will go out 15 minutes after the power is cut off. I don’t know the principle. Please explain to me why it is 15 minutes. ...
In the previous experiments, we verified that we can read and write AT commands from the UART1 port of the NB-IoT module . But in fact, we hope to miniaturize this environment (the smaller the better)...
There are many kinds of compilation software for AVR microcontrollers. In Song Dandan's words, there are quite a lot of them. I won't talk about the development platform of assembly language (I am not...
Video Station B:This video demonstrates the misalignment of a differential probe due to ambient temperature differences, and how the probe's built-in auto-zero function can be used to calibrate the ze...
[size=4] I have seen a sentence on the Internet before: "If you are still not married at the age of 25, you are already endangering society." There was also a questionnaire survey before. The first qu...
[size=4]PWM Implementation of MSP430F149 MCU[/size] [size=4]This program is for 430F149. I started to learn this MCU. Since I needed to set a frequency between 100K and 200K, I used an external crysta...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
Analog electronics
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