Thank you for your attention and support to the forum. Here we have selected the netizens who have made outstanding contributions to the forum in July.E coins can be exchanged for prizes of equal valu...
Hello everyone! I'm working on WinCE shutdown (Suspend) recently. The process is like this: send VK_OFF to GWES through the key driver, then call OEMPOwerOff, in this function, perform some pre-shutdo...
I need to make an AC-DC switching power supply with a power of 300W. I will use this as a DC source and then connect it to a DC-DC switching power supply. Should I choose forward or flyback for AC-DC ...
This paper introduces the main features and performance of the SD2000 series chip, analyzes the structural principle, timing logic and working mode of the chip, and provides the most basic interface w...
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[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]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
The term "remote meter reading" literally emphasizes remoteness. But how far is remote? One kilometer? Two kilometers? Those aren't considered far at all. Currently, the longest distance for ...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[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]
On August 18, John Krafcik, former CEO of Google's Waymo, recently questioned Tesla's Robotaxi service. He said: "Please notify me when Tesla launches Robotaxi. I'm still waiting. If there are empl...[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]
1 Introduction
Driven by the rapid development of information technology, the pace of television digitization has accelerated. The transition from analog to digital television has significant...[Details]
Recently, a friend asked in the background: the recently released Yangwang U8L uses the RoboSense M1P, a long-range LiDAR, for its lateral LiDAR, while the Zunjie Wenjie series uses a TOF solid-sta...[Details]
The penetration of high-end intelligent driving is accelerating, and the wire-controlled chassis has emerged.
The demand for intelligent vehicles is driving the continuous upgrade of...[Details]
Organic light-emitting diodes (
OLEDs) offer numerous advantages, including inherent brightness, low power consumption, minimal thickness, short response time, high contrast, wide viewing angle...[Details]
The SB42511, SB42520, and SB4282 operate with an input voltage of 6 to 25V and output currents up to 1A. They feature built-in temperature protection, current limiting, and PWM dimming circuitry. T...[Details]
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