Did you call dispose? It seems that the effect is not very obvious. It seems that you don't really call it. Can you really release it in the memory management in compact? Because the resource usage ex...
Dear masters, I have a source program (0000-3BFF) of 51 machine code disassembly (it has been compiled under Weifu software). Can you help to annotate and analyze it? Reward, if you are interested, yo...
I am using a Youlong 2440 board. After I created a project, the compilation reported an NDIS error. My project does not use any NDIS-related files. Does anyone know the reason? BUILD: [01:0000000209:E...
TX125 contactless RF reader/writer module uses 125K RF base station. When a card is close to the module, the module outputs the ID card number in Wiegand or UART mode, and the user only needs to read ...
A few days ago, when I was looking for voltage reference source chips, I found that the voltage reference has values such as 2.495V or 2.048V, and there are also reference chips such as 2.5V. But I di...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
In recent years, with the development of MOSFETs, they have gradually replaced transistors in the low-power, fast-switching industry. Major manufacturers in this field have also been reducing their...[Details]
Electronic devices are small individual components in electronic circuits. Transistors are common electronic components. Because of their wide range of applications, according to the usage of the e...[Details]
Recently, UBTECH announced its patent for "robot self-battery replacement structure, device and method".
The Qichacha patent abstract shows that the robot's self-battery replacement stru...[Details]
Vision is the most sensitive and direct way for humans to perceive things. It allows us to acquire a wealth of information about our surroundings without physical contact. However, due to the compl...[Details]
PLC is the foundation of modern industry. Although it is a product of the Second Industrial Revolution, it has experienced nearly a century of ups and downs. Not only has it not disappeared, but it...[Details]
Abstract:
Electronic rearview mirrors offer advantages over traditional mirrors in intelligent connected vehicles, leading them to gradually replace them. However, their emergence also increa...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
Oslo, Norway – August 18, 2025 – Nordic Semiconductor ("Nordic"), a leading global provider of low-power wireless technology, announced that it will participate in the International Internet of Thi...[Details]
With the global penetration rate of new energy vehicles projected to exceed 45% by 2025, and the industry's transformation entering its second half, the era of intelligentization, LiDAR has rapidly...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]