[i=s]This post was last edited by bigbat on 2019-2-22 11:41[/i] The test board I received yesterday afternoon (2019/2/21) was provided by ST. The information of this board is on [url=https://www.stmcu...
Can't the chat routine provided by BlueNRG directly put notification and writing in the same characteristic? When testing, two-way communication cannot be normal. If anyone knows, please let me know. ...
Now I find that some of the vehicle manufacturers I work with are doing rapid prototyping, which is to develop ECUs by automatically generating codes. ECU suppliers only need to provide the correspond...
AntennaAntenna mainly refers to the position of the wire used by GPS to receive signals on the receiver, such as built-in antenna, external antenna, vehicle-mounted antenna, etc.Installation location ...
[i=s]This post was last edited by Jacktang on 2019-6-17 12:01[/i]As small as a pen tip!!! TIDA-00793 is an automotive resistive bridge pressure sensor interface reference design. This reference design...
0 Introduction
Aiming at the problems of overcharging, undercharging, battery overheating and slow charging speed in the charging process of lead-acid batteries used in intelligent controllers ...[Details]
Abstract: This paper analyzes in detail the losses of key components of a 65W resonant working mode flyback converter within the full voltage input range, and gives the calculated and measured curv...[Details]
Amap and Alibaba Cloud have jointly launched the "Smart Highway Solution". In the coming year, the solution will be implemented in the highway networks of 10 provinces and cities in China, with the g...[Details]
How Battery Circuits Work
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as...[Details]
The overall block diagram of the circuit is shown in Figure 1. In order to reduce the harmonics of the input current and improve the input power factor (PF), the circuit uses a power factor correction...[Details]
On May 11, Shanghai Steel Union released the latest data showing that battery-grade lithium carbonate rose by 13,500 yuan/ton, with an average price of 230,000 yuan/ton, and industrial-grade lithium c...[Details]
At noon today (5), Huawei Consumer Business CEO Richard Yu posted a Weibo post reviewing his Weibo post in 2013, and said that the four key factors that have enabled Huawei's terminals to reach where...[Details]
1. Basic knowledge of LED wire welding requirements 1. Purpose Under the combined action of pressure, heat and ultrasonic energy, the gold wire forms a good ohmic contact between the chip e...[Details]
The power standing wave meter is one of the necessary instruments for most HAMs. In addition to purchasing products from regular manufacturers, you can also make your own. The DIY standing wave meter ...[Details]
This system adopts a solution based on the collaborative work of FPGA and DSP for video processing , realizing the entire process of video acquisition, processing and transmission. In real-...[Details]
The function and composition of signal generator In daily experiments, signal generators are often used together with power amplifiers. Many people know the signal source, that is, the signal generat...[Details]
IC+emitter cross output front stage
Since this PCB board will be used in the future headphone amplifier circuit, it should be stated that the requirements of the headphone amplifier an...[Details]
theoretical concepts Different types of microcontrollers use different serial ports. Select the corresponding microcontroller according to your needs. In some cases, if the microcontroller does not h...[Details]
Manufacturing is a symbol of a country's comprehensive strength and the capital and guarantee for survival in the global competition. Germany proposed "Industry 4.0" to establish smart factories with...[Details]
Chen Xiao, our reporter As of October 31, according to the data from iFinD of Tonghuashun, according to the industry classification of Shenyin Wanguo, 102 lithium battery industry chain companies in t...[Details]