Please help me, masters! This is the Ethernet interface circuit designed for the TM4C1294NCPDTI3 chip. It uses an interface socket with a built-in signal transformer, but the computer does not respond...
[size=4][color=#000000][backcolor=white] In the process of using audio equipment, due to factors such as oxygen, water, light, and heat in the air, the equipment will inevitably age. After the audio e...
Question: Using BQ35100 to monitor lithium-ion batteries,The current design uses four lithium-ion batteries in parallel for power supply. I have never used a coulomb meter before. This is my first tim...
Evaluation: STM32F769I-DISCO connected to Gizwits Cloud to realize IoT development remote control and other functionsAbstract: This article mainly describes how to use STM32F769I-DISCO to connect to G...
Electronics companies have a tradition of launching any new type of product followed by a years-long battle in which customers pledge allegiance to a format or operating system or some other technica...[Details]
According to foreign media reports, Unifrax, a global manufacturer of high-performance specialty materials, plans to build the first large-scale SiFAB (silicon fiber anode material) production line a...[Details]
Abstract: With the complexity of system applications, the same data needs to be distributed to different terminals in many cases, which also promotes the application of network transmission mult...[Details]
The microcontroller does not have an operating system. The codes written in Keil are all bare-metal codes. In-depth writing of bare-metal codes helps to understand the characteristics of the hardware...[Details]
The oscilloscope must be grounded
This is a very hidden problem. If you don't pay attention, some chips on the circuit board will explode suddenly when the oscilloscope is connected, which will not...[Details]
Linear abrader is mainly used to test the wear resistance of products with contoured and polished surface characteristics. It can perform dry and wet abrasion tests. It is suitable for testing plasti...[Details]
Problem description: In order to use a USB camera to acquire images and do some analysis and processing, several toolkits need to be installed in LabVIEW. The LabVIEW version used is 2011. Howev...[Details]
The scanning method of independent keys (delay and debounce method) was mentioned earlier. It can be seen that this method can achieve accurate scanning of keys to a large extent. But if you look clo...[Details]
Storage modes of variables, function parameters and other data in RAM of STC89C52 MCU: small, compact, large When introducing the microcontroller resources, we mentioned that STC89C52 has a ...[Details]
The performance report disclosed today by Hengxin Technology shows that in 2020, the company achieved operating income of 106,117.11 million yuan, an increase of 63.55% over the same period last year...[Details]
For a high-reliability system design, the choice of crystal is very important. In the oscillation circuit, the crystal should not be over-driven (easy to oscillate to high harmonics) nor under-driven...[Details]
Microelectromechanical systems (MEMS) chips have revolutionized car safety (by triggering airbags) and added intelligence to smartphones (by sensing their position). MEMS are also enabling entire...[Details]
What will determine the future of connected and smart cars is software technology with artificial intelligence at its core, rather than the horsepower and mechanical performance of the car. The softw...[Details]
Let's look at the tpad.c file code: #define TPAD_ARR_MAX_VAL 0XFFFFFFFF // Maximum ARR value (TIM2 is a 32-bit timer) vu16 tpad_default_val=0; //When no load (no hand pressing), the time required for...[Details]
Single-phase 220V capacitor motor is a common household electrical appliance motor, widely used in electric fans, air conditioners, washing machines and other equipment. Due to its simple structure...[Details]
Microcontroller MCU
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