91W-ER48HD-CW0

The automotive and heavy equipment vehicle environments are among the most demanding for any type of power conversion device. Wide operating voltage ranges coupled with large transient and temperat...[Details]

1 Development Environment     Host: Windows + VMWare + Ubuntu16.04     Development board: Mini2440     Emulator: JLink V8 2 Wiring and drive     The wiring diagram is shown below:                  ...[Details]

Generally, the power of a speaker is smaller than that of an amplifier. The power of an amplifier refers to the maximum output power, and its distortion at that time is also very large. We kno...[Details]

      A new Bluetooth SIG certification suggests that Samsung will launch a Galaxy S21 model that only supports 4G networks. 　　The certification list shows models with model numbers SM-G990F and SM...[Details]

　　Although China is still far behind in the field of NAND flash memory, domestic companies are quite strong in the NOR flash memory market. GigaDevice is the world's largest NOR flash memory supplier...[Details]

I hesitated for a long time to discuss the topic of flyback power supply and transformer. Because the topic of flyback has been discussed a lot, and this topic has been discussed very thoroughly. Ther...[Details]

On June 10, Foreign Ministry Spokesperson Geng Shuang hosted a regular press conference. At the press conference, Geng Shuang refuted recent remarks made by US Secretary of State Pompeo that smeared ...[Details]

DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (paralle...[Details]

Introduction: On the 51 single-chip microcomputer development board, a running light program was made using a timer. The adjustment is very flexible and very practical. I would like to share it with ...[Details]

Although autonomous driving has become a field that major OEMs have been vigorously developing, due to the maturity of technology and imperfect legislation in various countries, L3 autonomous driving...[Details]

    For most SoC (System on a Chip) designs, the clock generator module is an essential component. There are generally two ways to provide a clock reference source : one is to use a crystal oscillator...[Details]

1. Simple analysis of kernel debugging methods 1. addr2line: Solve oops errors      a --oops message       Oops (also called panic) means that the program crashes and generates an oops message....[Details]

A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke), and transm...[Details]

A stepper motor is an actuator that converts electrical pulses into angular displacement. When the stepper driver receives a pulse signal, it drives the stepper motor to rotate a fixed angle (calle...[Details]

1. Background of wind power industry With the increasing support from the government for the wind power industry, the wind power industry has developed rapidly. In 2007, 3,155 new wind turbines w...[Details]