In recent years, the Internet of Things has been very popular. It is foreseeable that this year will still be a hot year for the Internet of Things. So, what will be the development trend of the Inter...
A project uses CC2530's P0_4 P0_5 as serial ports, but the default zha protocol stack only supports serial port 0 spare position 1 and serial port 2 spare position 2, which is a bummer. After some cod...
AT-START-F425 provides official routines, which are quite complete. In the external interrupt routine, we can see two routines, namely external interrupt and software triggered interrupt.
The specific...
For multi-layer printed circuit boards, the inner working layer is sandwiched in the middle of the entire board, so the inner layer processing should be carried out first. Specifically, the inner laye...
Recently, I designed a product that requires DC high voltage. The current is not very large. The traditional double-tube boost circuit using a transformer feels expensive and the design is a bit compl...
I was fortunate to participate in the evaluation of "Self-Study Handbook for Electronic Engineers". "Self-Study Handbook for Electronic Engineers" is divided into basic, advanced and mastery chapters....
American chip giant Qualcomm recently announced that it would lay off 79 employees in San Diego, where its headquarters is located, due to the downturn in the global smartphone market. According t...[Details]
Speed measurement is a problem often encountered in industrial and agricultural production. It is very important to learn how to use single-chip microcomputer technology to design speed measuring in...[Details]
0 Preface ACDC switching power supply has an important technical parameter - power-off holding time, which refers to the time difference ⊿t from AC power off to the output voltage dropping outsid...[Details]
#define WARM_KEY_PIN (GPIOC- IDR&(1 5)) #define Speak(tmp) GPIOA- ODR=tmp?(GPIOA- ODR|1 12):(GPIOA- ODR&(~(1 12))) (1) IDR is a register used to check the pin level status, and ODR is a r...[Details]
The MSL2164 and MSL2166 devices enable a highly engaging viewing and video gaming experience in new 3D and 2D scrolling backlight TVs. These LED drivers integrate seamlessly with Atmel's AVR® micr...[Details]
On August 19, Honor Smart Life’s official Weibo account announced that the Honor Watch GS Pro will be released soon, claiming that “from the city to the outdoors, we will accompany you to expl...[Details]
In addition to the two giants CATL and Fudi, when taking stock of other Chinese power battery companies, we can look at them as a whole. Domestic power battery supply relationships have their own par...[Details]
The 7th China Information Technology Expo ( CITE2019 ) , jointly hosted by the Ministry of Industry and Information Technology and the Shenzhen Municipal People's Government, was grandly held at the ...[Details]
In the previous two issues, we introduced the test methods for WIFI and Bluetooth products in Japan TELEC test. In this issue, we briefly introduce the test methods and limit requirements for 315M...[Details]
The program is adjusted! ! Friends often ask questions on Zhihu, talking about how to implement fancy water lamps, how to control LED lights with buttons, and how some examples of C language output ...[Details]
ChaCha APP shows that on July 13, ZTE Corporation (000063) disclosed the patent for "Autonomous driving control method, device, electronic device and computer-readable medium", with publication numbe...[Details]
In 51, we write our own delay functions, whether in assembly or C. Although there are templates, it is still a bit annoying sometimes. Haha. But when we use avr microcontrollers, we are ...[Details]
The wafer production capacity in mainland China has grown rapidly in recent years, but it still lags behind Taiwan, South Korea and Japan in terms of output per unit time. On July 13, IC Insights, a...[Details]
Market research firm TrendForce pointed out in its latest report that Samsung is currently affected by the lockdown in Xi'an mainly due to the difficulty in arranging manpower shifts. If the epidemic...[Details]
Electric cars are the future of sustainable transportation. They have large battery compartments on wheels and are an alternative to gas-guzzling, carbon-intensive internal combustion engines.
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