I have read some posts online saying that priority grouping must be set when using STM32 interrupts. Recently, when I was looking at other people's code, I found that the grouping was not set, but the...
We know that when FreeRTOS is delayed and blocked, task switching will occur, looking for a higher priority task to execute, or executing an idle task. So in FreeRTOS, if the current task is blocked b...
I received the text message yesterday evening and immediately went to the collection point to pick up the express delivery after dinner. I opened the outer package and revealed the sensor kit (see the...
hujjST Sensors & Low Power Wireless Technology Forum
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]tiankai001[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
STM32F103VET6 reports an error after two seconds of programming. The error message is as shown in the figure. How can I solve it? Please help me, thank you for your reply...
[i=s]This post was last edited by hujj on 2019-6-26 21:19[/i]When I first came into contact with a new microcontroller, the first thing I did was of course to light up the LED. After the development p...
Noise and TDMA Noise
The term "noise" is often used broadly to describe unwanted electrical signals that distort the purity of a desired signal. Some types of noise cannot be avoided (such a...[Details]
1. Be familiar with the performance of common CMOS gate circuits such as NAND gate, NOR gate, XOR gate and inverter, and verify their logic functions. 2. Use the six inverters CD4069 to measure the d...[Details]
Add the following code to implement it in GNUC mode #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker- Libraries- Small printf set to 'Yes') calls __io_putchar() */ #def...[Details]
This article mainly introduces the virtual I2C bus serial display circuit, including the SAA1064 pin function introduction, hardware circuit design, on-chip programmable functions and program examples...[Details]
Spectrum analysis is a common method of signal analysis. Through frequency domain analysis, many signal problems that are unclear or ambiguous in the time domain can be discovered. Oscilloscopes are ...[Details]
Intel and Zhizaiyifang jointly build a smart manufacturing factory, injecting strong momentum into China's "smart" manufacturing Recently, the Suzhou Intelligent Manufacturing Pilot Factory project...[Details]
South Korea, which has taken the lead in commercializing 5G in the world, attaches great importance to the quality and progress of 5G commercialization. Statistics show that the number of 5G base sta...[Details]
Clearing the cache means clearing all the data stored in the cache. For the processor, the clear operation is to clear the valid bit of the corresponding cache line. When there is a change in the mem...[Details]
Research firm IDC predicts in its market tracking report that by 2023, shipments of wearable devices in China will approach 200 million units. This means that the market for wearable devices such as ...[Details]
Piezoelectric pressure sensor is a kind of sensor that uses the piezoelectric effect of piezoelectric materials to convert the measured pressure into an electrical signal. It has a wide range of appl...[Details]
It is said that at present, the mini LED chip production capacity of LED epitaxial wafer and chip manufacturer Jingyuan Optoelectronics is fully loaded, and the total production capacity will be expa...[Details]
LED display (LED panel): LED display is a display screen that controls the display mode of semiconductor light-emitting diodes to display various information such as text, graphics, images, anima...[Details]
At the 7th Shanghai FD-SOI Forum held on September 16, 2019, Americo Lemos, senior vice president of GlobalFoundries, pointed out that the fast-growing IoT market will bring huge development opportun...[Details]
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FOC algorithm
FOC (Field Oriented Control) is also called Vector Control. The magnetic field of the motor usually includes three types: stator magnetic field, air gap magnetic field, a...[Details]
Wenzhou, Zhejiang, November 3, 2024 /PRNewswire/ -- This fall, Ruipu Lanjun has innovated the full-scenario power solution for commercial vehicles and passenger vehicles! Whether you need ultra-low...[Details]