Please help me, I have been working on it for weeks, but I still don't know what is wrong. The second line of the display is always full, and the A that should be displayed cannot be displayed. Please...
Hi everyone, I found a microcontroller, this microcontroller has AD conversion function, it has 20 pins less than PIC16F690, and it is cheaper than it. Can you introduce it to me? ? ?...
I use STM32, and I use USART+DMA to send data under uCOS. Here are the design ideas:Interrupt service program: After entering the DMA_TC interrupt, I will turn off DMA and set the DMA status bit to ST...
Download 50 MCU program examples and development board schematics, Xuelin Electronics free development board New Year's student aid activity registration! [color=red] (Even if you are not interested i...
Recently, a Zhihu user asked the question, "Is it fair that Harbin Institute of Technology was banned from using MATLAB by the Higher Education Cup Organizing Committee? The organizing committee did n...
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
Compared to cloud databases, minicomputers are purpose-built for decentralized, rugged computing at the edge of the network. By moving applications, analytics, and processing services closer to the...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
For new energy vehicles, the importance of batteries is unquestionable. Not only does it determine the performance of the vehicle, but the battery density also has a great relationship with the veh...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
Renesas Electronics introduces a new USB-C power solution with an innovative three-level topology.
Improve performance while reducing system size
New solution combines excel...[Details]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
Amid the increasing complexity of electronic system power management,
power architecture design
is undergoing a paradigm shift from experience-driven to tool-enabled.
Analog
Devices...[Details]