This work is to design a water cup holder that can detect the use status of the water cup and remind the user to drink water in time. The preliminary design of the system state machine is shown in the...
The director and the section chief were riding in the elevator together. The director farted and said to the section chief: You farted! The section chief said: It wasn't me. Soon the section chief was...
We only know that the optical attenuation is 1dB and the electrical attenuation is 2dB. But why is there such a quantitative relationship? ? ? :time:...
[i=s] This post was last edited by Fanren Jiuxing on 2018-9-10 20:31 [/i] [align=left][align=center][size=5]pyboardCN V2 Trial Notes (II) [/size][/align][/align] [align=left][align=center][size=5]Use ...
I seldom asked about my classmates' salaries, but I couldn't avoid other classmates asking me. My salary is very low, and it's still not over 10,000 after working for 4 years. I was too embarrassed to...
The CC2640R2F device provides a fully certified leading edge Bluetooth 5 protocol stack supporting high-speed mode for single-mode Bluetooth low energy applications. The CC2640R2F is part of the Simpl...
In the Internet era, the perfect combination of selfies and duets not only shares the fun of life but also preserves good memories. Galfa Semiconductor provides ultra-low power, 2-in-1 mobile karao...[Details]
Generally, a good PLC program needs to have the following characteristics: simplicity, readability, correctness, reliability, easy modification, scalability, complete alarm system and convenient pr...[Details]
Huawei officially launched its first desktop computer in Beijing - HUAWEI MateStation B515. It adopts a small chassis design, is equipped with a new generation of 8-core 7nm AMD Ryzen processor, and ...[Details]
I made a stm32 board. The display was abnormal when powered on. After manual reset, the display was normal. The reason finally found was The power-on speed of the external device is slower than tha...[Details]
In order to improve the battery life of smartphones, in addition to improving the quality of components such as processors and panels, working on radio frequency (RF) circuits is also a way. Japanese...[Details]
We can consider the volume meter as an equalizer present in the music system. In it we can see lights (LEDs) dancing according to the music, if the music is loud, the equalizer will reach its peak ...[Details]
This paper designs an
isolated drive power supply
for a 10 kW three-phase IGBT
full-bridge converter
, which provides 4 mutually isolated outputs, each of which provides +15 V/-9 V power...[Details]
The MENA (Middle East and North Africa) market is located within the scope of the Belt and Road Initiative, and China and the region have very frequent economic cooperation. TCL Electronics Holdings ...[Details]
With the continuous development of artificial intelligence and digital technology, the medical industry is gradually moving towards intelligence, decentralization and precision, and these new technol...[Details]
On October 10, Securities Times e-company reporter learned from State Grid Jiangsu Electric Power that as of September this year, Jiangsu has built and put into operation a total of 5.613 million kilo...[Details]
Developing power circuits for portable electronic devices requires design engineers to extend battery life by maximizing power and reducing overall system power consumption, which drives the size ...[Details]
Wide-bandgap semiconductor materials represented by silicon carbide and gallium nitride have characteristics such as high thermal conductivity, high breakdown field strength, and high saturation elec...[Details]
The PIC microcontroller series products launched by Microchip of the United States first adopted the embedded microcontroller with RISC structure. Its high speed, low voltage, low power consumption, ...[Details]
1 System design requirements Using VHDL hardware description language, we designed a music hardware playing circuit, which can automatically play a pre-set and stored music. In addition, it can also ...[Details]
It is now a fact of life for manufacturers that many new technologies have emerged in automotive information systems. Many cars already include navigation, CD, AM/FM, DVD and cellular phone functions...[Details]