VS-5080-DEX-205X-1961M209118

This is a very simple LED flash light with only three components: the flash IC LM3909, the LED indicator, and the electrolytic capacitor. The power supply voltage is 1.5V, so it can be p...[Details]

// refer to: // drivers\block\xd.c // drivers\block\z2ram.c   #include "linux/module.h" #include "linux/errno.h" #include "linux/interrupt.h" #include "linux/mm.h" #include "linux/fs.h"...[Details]

       News on the morning of July 28th, yesterday, Xgimi Technology launched a new brand, MOVIN, and officially launched two new products of the MOVIN brand, "MOVIN 01" and "MOVIN 01X", both of whic...[Details]

Example Purpose Purpose of the example: Master the use and debugging methods of Proteus software and learn IO programming. Example content:  Learn to use Proteus, ADS, and Keil for ARM software, a...[Details]

The white LED driver circuit with high-temperature protection includes a charge pump regulator (IC1) suitable for camera flash applications, which can provide regulated current for up to 8 white LEDs...[Details]

An oscilloscope is a commonly used electronic measuring instrument. It has the advantages of accurate measurement, good stability, flexible use, wide measurement range, and multiple functions. It is w...[Details]

With the help of the World Manufacturing Conference, we invite industry experts and heads of leading enterprises to exchange and discuss hot and difficult issues in the industry, and carry out investm...[Details]

I believe that all driver friends have more or less experienced this. When encountering poor road lighting, driving at night often requires switching back and forth between low beam and high beam. ...[Details]

I: Introduction I have been porting minigui in recent days. I have never used the minigui interface before. I want to see what the effect is and learn it by the way. After all, it is made in Ch...[Details]

At the AWE 2019 conference held in Shanghai not long ago, Huawei's consumer business CEO Yu Chengdong said that the sales target of Huawei + Honor in 2019 is 250-260 million units, becoming or approa...[Details]

Oscilloscopes are the most commonly used measuring instruments for electronic engineers, and oscilloscope probes are undoubtedly the most commonly used accessories for oscilloscopes. Oscilloscope pro...[Details]

I recently bought a stm32f407zgt6 core board, and without hesitation wrote a program to light up the LED using a timer (I won't post it here because the program is relatively simple). When implementi...[Details]

With the continuous development of LED technology, white light LED has been introduced, and the lighting industry has entered the era of green lighting. Since LED has low energy consumption, low heat ...[Details]

In the past , in order to fully profit from the white light LED beam, LED manufacturers have developed large-size LED chips in an attempt to achieve their desired goals. However, in fact, when th...[Details]

　　The principle of spectrum analyzer 　　The analysis principle of the spectrum analyzer is to absorb the characteristic spectrum of the element to be measured radiated by the light source through the ...[Details]