The STM32 RTC external clock crystal must use a 6P resonant capacitor crystal, otherwise it is easy to fail to oscillate. A 6P crystal costs 1.4 yuan and is not easy to buy. I did this: I used a 20P r...
"Basic Hardware Circuit Diagram Explanation for Electronic Lazy People" contains 68 examples [size=4] of simple, basic unit circuit diagrams. Accumulating these basic circuit diagrams is very helpful ...
[i=s]This post was last edited by Autumn Qinhu on 2022-10-16 20:17[/i]The RF amplifier is powered by a DC-to-DC power supply chip. It is found that the load current of the power supply chip will affec...
[i=s]This post was last edited by Ma Tianma on 2019-2-14 11:02[/i] I have 4 24*18 P2.5 full-color LED dot matrix boards. Let's see what can be done? How to drive? I want to make a 3-row mobile screen ...
The AC voltage signal (A1 channel) that needs to be collected is about: 0.5v~2.5v VR+ = VCC and VR- = VSS // MSP430G2553 // ----------------- // /|\| XIN|- // | | | // --|RST XOUT|- // | | // >---|P1....
When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor.
Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]
Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
In the
AI
boom, the most talked about is
neural network
. However,
AI
is much more than that. Let's learn about the relevant content with the network communication editor.
...[Details]
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[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]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[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]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[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]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[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]
This paper combines embedded control technology with network control technology to realize the design of temperature control system based on single chip microcomputer through Internet control. Th...[Details]