The same pin, STM32 is set to input mode. The oscilloscope shows a high level, but the microcontroller pin reads a low level. Has anyone encountered the same phenomenon? What is the reason?...
There is a certain complementary effect between various access technologies, and NB-IoT can occupy a place in the field of Internet of Things by relying on its technical characteristics.
PART 1/Differ...
Recently I saw a development board from NVIDIA with a special discharge circuit, which uses a resistor and a MOS tube connected in series between the power supply and GND. When the power is turned off...
During the recent test, it was found that the data read by STM32 ADC using DMA mode would appear as follows
I started to suspect that it was high-frequency interference from external signals. After a ...
Why can't the P0 port of STC8A8K32S4A12 output a high level? The quasi-bidirectional IO port is set, and nothing is connected to the outside. When the low level is set, 0V is normal, and the high leve...
LED lights are now extremely commonly used lighting and decorative equipment. They are favored by users for their energy saving, environmental protection, long life and good safety performance. The es...
Recently, the Shaanxi Regulatory Bureau disclosed the Guotai Junan Securities Co., Ltd.'s application report on coaching registration for Shaanxi Yuanjie Semiconductor Technology Co., Ltd. (hereinaft...[Details]
Dozens of Tesla owners have discovered that there is a discrepancy between the vehicle controller code of the domestically produced Model 3 they purchased and the environmental information marked on ...[Details]
The importance of cycle performance to lithium-ion batteries is self-evident; in addition, from a macro perspective, a longer cycle life means less resource consumption. Therefore, the factors that...[Details]
On May 13, Xiaomi POCO’s official Twitter account announced that it will hold a new product launch conference on May 19 to officially release Xiaomi POCO M3 Pro. It is reported that Xiaomi POC...[Details]
During trial production, adjust R (200 ohms) so that the collector current of T2 is 30-40 mA. The yellow, green and red lights use 6.3V specifications, and the red and green lights are changed to 2....[Details]
Nowadays, people's lives are increasingly inseparable from mobile phones, and the cycle of mobile phone manufacturers launching new devices is getting shorter and shorter. Recently, the Guojin Securi...[Details]
0. Preparation (a) Create the following directory: minigui |--build_x86 /Build MiniGUI running on PC |--build_arm /Build MiniGUI running on ARM |--tarball /All package resource storage points (b) dow...[Details]
Experimental purpose:
1. Master the various working modes of ARM
2. Be familiar with the registers in various working modes of ARM
3. Learn to use soft...[Details]
ATmega48 is a low-power 8-bit CMOS microcontroller based on an enhanced AVR RISC structure. Due to its advanced instruction set and single-clock cycle instruction execution time, ATmega48 has a data ...[Details]
Use four two-color lights to simulate, controlled by P1 port; the red lights on the north and south sides are on for 30 seconds, while the green lights on the east and west sides are on for 25 seconds...[Details]
In the image processing system, the video signal collected by the camera is first converted into an A/D signal, and the analog image signal is converted into a digital signal, which is provided to the...[Details]
Commercial connected lighting systems have always been committed to helping building managers save energy, improve user experience, and unlock the full value of buildings through advanced lighting co...[Details]
On November 12, there was news that the new Redmi Note 9 series products will be released in China this month. Previously, Lu Weibing, President of Xiaomi Group China and General Manager of Redmi bra...[Details]
Hyperlux LP image sensor extends battery life by up to 40% October 11, 2023 - Onsemi announced the launch of the Hyperlux LP image sensor series for industrial and commercial cameras, covering sma...[Details]
As a key link to ensure quality and performance, testing is facing new development and incremental space as cars move towards intelligence,
electrification
, and networking. At the same tim...[Details]
stm32/stm8
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