DBL358

introduction According to statistics from the World Health Organization, 700,000 people become blind every year. Currently, there are about 45 million blind people in the world, 90% of whom live ...[Details]

By using an additional circuit board, input the electrical signal to be observed, and connect the output signal to the video input interface of the TV, the waveform of the electrical signal can be di...[Details]

Compared with the traditional CCFL LCD backlight, which has the disadvantages of poor color gradation, low color purity, high power consumption due to high voltage drive, and thick screen, LED back...[Details]

      Apple announced today that the App Tracking Transparency privacy protection policy will take effect starting with the next Beta version of iOS/iPadOS/tvOS 14. This requirement was originally sc...[Details]

1. Download the compiler (MPLAB XC Compilers) XC8, XC16 and XC32 correspond to 8-bit, 16-bit and 32-bit PIC microcontrollers. You can download the latest version according to the microcontroller y...[Details]

    Although interferences in atomic absorption analysis are relatively rare and easy to overcome, they cannot be ignored in many cases. In order to obtain correct analysis results, it is very importa...[Details]

This chapter mainly talks about the units of numbers in computers. It may be difficult to understand, but this chapter is very important.   As mentioned above, binary (bit, Chinese bit), that is,...[Details]

People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]

Power supplies are becoming more efficient due to technological advances and the introduction of recommended and mandatory standards . With an estimated 2.5 billion electronic products in...[Details]

STMicroelectronics announces first quarter 2022 financial results • Q1 net revenue of $3.55 billion; gross margin of 46.7%; operating margin of 24.7%; net profit of $747 million • Free cash flow(...[Details]

Some LED products, especially those on flashlights, have different light beam colors. This is not some hidden trick to make them look pretty, different light colors have different applications. Her...[Details]

In circuit analysis, it is often necessary to classify signals according to their frequency, divide the signal frequency into several cases, and then analyze the working principle of the circuit. 1...[Details]

Due to the recent pollution incident at the Kioxia/Western Digital factory, NAND Flash has once again sounded the clarion call for price increases. 在最新通报中，西部数据将闪存可用性减少量的估量调高至约7 exabytes（艾字节），这一数值相较此前...[Details]

The CS1501 is a high-performance digital power factor correction (PFC) controller designed for switching mode power supply (SMPS) applications. The CS1501 actively manages the power factor correction ...[Details]

/************************************************ Function: LED--8051 driver test program (common cathode) Usage: Call the function LEDn_display(*****)          n means how many digital tubes...[Details]