The design of small signal measurement circuit has high requirements on noise level. How to measure the low-frequency noise of the circuit? The spectrum analyzer is generally used for measurement. The...
RTWhat is the meaning of the data measured by a single-axis gyroscope when it is tilted? !Is the coordinate system corresponding to the output data the chip surface coordinate or the inertial coordina...
I am a newbie, and I recently made a program to receive serial port data, using the oncomm control of VC6.0. I wrote the code according to the article "Serial Port Debugging Assistant" written by Gong...
RT, the screenshot of the manual is as follows. When the ADC12BATMAP register is set to 1, it is 1/2AVCC. How is this 1/2 implemented inside the chip? Is it a resistor divider? What is the value of th...
1. This time, Lierda's CC3200 module is used. The CC3200 main clock is 80M. There is no internal flash and an external SPI Flash must be connected. This test uses Lierda Technology's CC3200 baseboard ...
[size=3]It is like this. This afternoon (6/11), a friend asked me a question about pasting an arc array and put forward the requirements as shown in the figure below. [/size] [size=3] So I thought tha...
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
1. Purpose Since the number of times the STM32 FLASH can be erased and written is limited, in order to protect our FLASH and extend the use time of the MCU, we can debug on the SRAM. SRAM is a ...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
*This article is based on the author's report at the "Embedded System Association Theme Discussion (Total 22nd) - Current Situation and Development Prospects of Internet of Things Operating Systems...[Details]
In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence,
VR
, AR, etc. After seeing the d...[Details]
In January, Android 7.0 Marshmallow surpassed Lollipop three years ago to become the second most used Android version in the world. According to
the latest data from
Google
, a snapshot of d...[Details]
China Energy Storage Network News:
"As the world's first third-generation blockchain, Anda Chain, which has China's independent intellectual property rights, will be launched globally in the ...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
STM32 has 2 watchdogs: independent watchdog and window watchdog. Independent watchdog IWDG: A system fault detector that is independent of the system and is not affected by the system because it has ...[Details]
The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[Details]
Analog electronics
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