[color=rgb(0, 0, 0)][font=SimSun][size=12pt]Pull-up resistor: [/size][/font][/color][color=rgb(0, 0, 0)][font=SimSun][size=12pt]1. When the TTL circuit drives the COMS circuit, if the high level outpu...
The English abbreviation of television monitoring system is CCTV (closed-circuit television). Closed-circuit television monitoring system is a comprehensive security system across industries. The syst...
I built a program and downloaded it to LF2407A using "load program" in file and flash utility, without setting the csm password. It runs fine under ccs, but not under the stand-alone version. I checke...
Dear engineers: How big is the ripple (or noise) of a switching power supply? For example, how big is the noise of a 27V 5.6A CE-certified power supply? How can I filter out the noise on the power sup...
A chip contains digital power, analog power and corresponding digital ground and analog ground. Do I only need to draw one decoupling capacitor for the whole chip? Or should I draw them separately? Th...
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
After we understand the use of libopencm3, we find that libopencm3 is only suitable for small projects. Its biggest feature is the convenience of USB. So when we configure large projects, is there a ...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
In the Chinese automobile market, the trend of new energy vehicles and driverless cars is leading the transformation of China's automobile industry. As the world's largest automobile market, "Chinese...[Details]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
Recently, Zhejiang Lipu Crushing Equipment Co., Ltd. invested 50 million yuan to build a new "annual production of 1,200 high-efficiency and energy-saving ultra-fine pulverizer construction project...[Details]
Temperature, humidity and irradiance are must-measure items in the photovoltaic industry. However, most of the current data collection is done by storing data in USB flash drives for offline analys...[Details]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
One addend is in the on-chip RAM 40H, 41H, 42H units, the other addend is in the on-chip RAM 43H, 44H, 45H, and the sum is stored in the 50H, 51H, 52H units, with the carry bit stored in 00H. Please ...[Details]
In 2014, the production and sales of new energy vehicles in China exceeded 80,000 units, and the development trend is encouraging. In order to enable new energy enthusiasts and junior R&D personnel t...[Details]
What else can we do before the arrival of 5G
,
which will be officially commercialized in 2020
? Let's follow the network communication editor to learn about the relevant content.
I...[Details]