I was quarantined during the epidemic and had nothing to do, so I tested MODBUS on L233 today.The serial port status flag management of L233 is slightly different from that of other series. For exampl...
After experiencing high temperatures, power restrictions, staying at home, and then epidemic control, nucleic acid testing, gossip, food grabbing, lockdown, 36.8, two points and one line, the result i...
Introduction to ARM SWD Protocol
SWD stands for Serial Wire Debug, which is a simple debugging interface launched by ARM for embedded devices. This interface uses a bidirectional data line and a clock...
First of all, I would like to thank @dcexpert for donating the development board. Here is a brief introduction of the board:pybL series development board, ultra-low power consumption, supports micropy...
Check the head and tail of the motor winding: For three-phase motors, first use the ohmmeter of a multimeter to separate the three groups of coils, then separate their heads and tails into two gr...[Details]
Analog LED dimming is simple to design and low-cost, but it is not suitable for applications that require stable color temperature; digital PWM dimming has better color temperature control, but it ...[Details]
With the continuous development of the power industry, high-voltage power equipment such as transformers, generators, circuit breakers, GIS, 110 kV and 220 kV cross-linked polyethylene cables are inc...[Details]
In the previous article, we introduced the IO port to simulate the sending of serial port data. In this article, we will introduce the IO port to simulate the sending of serial port data. Similarly, ...[Details]
Jiwei.com reported on February 22 that Huawei held an online new product launch today and officially launched the new generation of foldable screen mobile phone Mate X2. At the launch conference, Hua...[Details]
I recently debugged a GPS module, which needs to read data from GPS and send it to PC through serial port and other functions. Two serial ports are needed. I used AMTEGA8A microcontroller, so ...[Details]
The RF admittance level switch is a commonly used level detection controller in industrial sites. Its working principle is to sense the change of reactance (capacitive reactance and impedance) betw...[Details]
According to market research institutions, global sales of new energy vehicles will reach 16.4 million by 2025. By then, global demand for power lithium-ion batteries will reach 1160GWh (109Wh), offi...[Details]
According to Bloomberg, new export restrictions imposed by the United States on Huawei this week may put pressure on South Korea's economy, which is struggling to recover from the epidemic, as chips ...[Details]
introduction
Temperature detection is one of the important working conditions in many industries.
Whether it is a grain warehouse, a Chinese medicine warehouse, or a book storage, it needs to ...[Details]
With the development trend of integration, informatization and intelligence in the modern power industry, the power system requires that the station AC power supply, DC power supply, communication pow...[Details]
According to the official website of the Ministry of Industry and Information Technology, the Ministry of Industry and Information Technology organized relevant units to compile the "Guidelines for t...[Details]
As shown in the figure, this is a resistance fast estimation circuit. The core of this circuit is a multivibrator composed of 555 and R1, R2, R3, Rx (resistance to be measured), C1, etc. Resistors R4~...[Details]
LED is favored by the vast number of users for its small size, low power consumption, environmental protection, durability and rich light source colors. However,one of the bottlenecks facing the d...[Details]
The "Chengxing Platform" has been successfully mass-produced on more than a dozen models
Shenzhen, China – October 23, 2024 –
BlackBerry today announced that Shenzhen Zhuoyu Technolo...[Details]
GD32 MCU
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