-
0 Introduction
Insulated gate bipolar transistor (IGBT) is a new type of composite device of GTR and MOSFET. Since its introduction, it has become the mainstream switching device in today's pow...[Details]
-
1. Transplantation of font library Characters are also made up of dots, a dot matrix composed of dots. In fact, to display text is to transplant the font library to the board that matches the corresp...[Details]
-
As
video surveillance
is increasingly used in the civilian field, the application environment is becoming more and more complex. One of the most important application requirements is 24-hour un...[Details]
-
Jiwei.com reported on July 14 that according to Visionox's first-half performance forecast, the company lost 720 million to 850 million yuan in the first half of the year, compared with a profit of 9...[Details]
-
At the media communication meeting for the launch of China Mobile's 5G+ strategy, China Mobile announced that the delivery of 5G terminals exceeded 10,000 units for the first time. Wang Hengjiang, ...[Details]
-
First look at the block diagram of the clock generation module of S3C2440 Starting from the upper left, you can see that there are two clock sources: crystal oscillator (entered through OSC) and ex...[Details]
-
Virtual oscilloscopes are based on virtual instrument technology, using highly efficient modular hardware and then paired with highly efficient and convenient software. The combination of the two can...[Details]
-
1. Hardware Connection The HDMI port of the 4412 development board, the small HDMI port outputs HDMI signals, and the large HDMI port is used to connect various screens (it only uses HMDI cable, not ...[Details]
-
1. Quickly and easily analyze the waveforms in a switching power supply with an active power factor correction circuit
In order to obtain high power factor, most switching power supply designs...[Details]
-
1 Introduction
Switching power supply
With significant advantages such as high efficiency, low power consumption, small size and light weight, it has become the mainstream product of...[Details]
-
introduction Stepper motor is a control actuator and one of the key products of mechatronics. It is widely used in various automation control systems and precision machinery and other fields. The ste...[Details]
-
Not long ago, OPPO held a Future Technology Conference, where the much-anticipated OPPO X 2021 roll-up screen concept phone was introduced. After the phone was unveiled, it aroused heated discussions...[Details]
-
Setting up i2c in pic: The pins cannot be set to open-drain output during initialization, otherwise the levels of the two pins will be pulled low when the module is enabled. In register I2CxION, ...[Details]
-
There are a lot of discussions about the DCM and CCM working states of flyback , but most of them are not explained thoroughly. After sorting out the best posts of netizen "amonson", I hope to study ...[Details]
-
Based on the QC/T 29106-2014 standard, this paper proposes new durability characteristics test and contact voltage drop test methods, and conducts experimental verification on these two test method...[Details]