(1) To complete KEMET Part Number (T255), insert Graded failure rate: G for 1%/k hours, B for .1%/k hours, C for .01%/k hours, D for .001%/k hours or the
(1) To complete KEMET Part Number (T255), insert Graded failure rate: G for 1%/k hours, B for .1%/k hours, C for .01%/k hours, D for .001%/k hours or the
I graduated from computer science and took the postgraduate entrance examination for computer application this year. I originally chose embedded technology. In fact, I don’t know much about this field...
Now we are making a meter reading system. Each meter controller has a 485 communication port. However, there are usually more than 50 meters in a building. A 485 bus network can connect up to 32 meter...
I have to say that the previous method still doesn't work. I have always felt very strange about this. I just read the posts and thought that one of the posts by a buddy is worth noting. However, I am...
How much does it cost to develop a chip, development environment, protocol stack, etc.? Which one is better for industrial control, TI or EMBER? Or other ones? Does anyone know? [[i] This post was las...
1. Talk before you do For faulty electrical equipment, you should not rush to do it. You should first ask about the process before and after the fault and the fault phenomenon. For unfamiliar equipmen...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]