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　　Working principle of the circuit: 220 V mains electricity is supplied to the whole circuit after being stepped down by transformer T, bridge rectified by VD2-VD5, and filtered by C2. After switch S...[Details]

The MAX4936 - MAX4939 are octal, high-voltage, transmit/receive switches. They are based on a diode bridge topology, and the amount of current in the diode bridge is programmable via the SPI™ i...[Details]

1. Functions of LCD controller The LCD controller mainly completes two tasks: Get data: tell the LCD controller the address of the framebuffer, bpp, and resolution. Send data: Tell the LCD contro...[Details]

PLC understands the interrupt function in this way. When understanding the interrupt, we must first understand the PLC's operation cycle or scan cycle. It is necessary to talk about the process of ...[Details]

Recently, the "China Good Design" Award, initiated by the German Red Dot Award, known as the "Oscar of Industrial Design", announced the winners. After fierce competition, Sungrow's photovoltaic strin...[Details]

Smart speakers with screens seem to be a trend in 2019. Recently, a designer has boldly "remade" the speakers with screens, giving the product itself another form. Let's take a look. 　　 The industria...[Details]

Integrating 2D materials into traditional semiconductor manufacturing processes could be one of the more radical changes in the history of the chip industry. Although the introduction of any new ma...[Details]

A few days ago, I was asked by a friend to help solve the problem of his differential probe being burned out. He described it this way: He first used the red and black probe hooks of...[Details]

According to foreign media reports, US lidar sensor manufacturer Luminar Technologies has started commercial production and currently plans to build a new factory in Asia and seeks to reduce the cost...[Details]

The market is particularly looking forward to the long-awaited foldable phone. However, both Samsung's Galaxy Fold and Huawei's Mate X were delayed in their launch. This can't help but cause concern ...[Details]

Smart IOPS, a leading high-performance storage solutions provider, announced that it has signed an Asia Pacific distribution agreement with EDOM Technology (TWSE: 3048). EDOM Technology is Asia's bes...[Details]

STC51 microcontrollers usually have one serial port, and some have two serial ports. The serial port is generally used for downloading programs and serial communication. Serial communication is parti...[Details]

Abstract: A linear circuit measures temperature and controls the speed of a cooling fan by generating a variable supply voltage for the fan. Fan noise is becoming a larger issue as more electronic...[Details]

Today we use the serial port communication of STM8L152. The serial port mode is RS485 mode, and the enable end of the MAX485 chip is controlled by PC4. The serial port uses interrupt mode to send dat...[Details]

Led can be used as a tool for debugging programs: In the early stages of development of embedded system software, such as Bootloader and kernel, since hardware such as serial ports have not yet bee...[Details]