First, let’s take a look at the LED related circuit, as shown below: [align=center][/align][align=center][/align] The pin correspondence is as follows: [table=50%] [tr][td]LED0[/td][td]GPIO1_24[/td][/...
Transformers are used in almost all electronic products. The principle is simple, but the winding process of transformers will have different requirements according to different usage occasions (diffe...
Recently, the media revealed that some companies in the communications industry have successively carried out personnel adjustments, that is, first "voluntarily resigned", then "competitive employment...
:Laugh:[font=新宋体][color=#ff00ff]Weekly good resources[/color][/font][font=新宋体][color=#ff00ff], non-stop excitement~ We will introduce some good resources to you every week, hoping that these resources...
[align=left][align=left][color=black][size=12pt]Why are there two charging indicator lights in this circuit? How do they work? Isn't it just the charging light that lights up? [/size][/color][/align][...
1. Introduction to SCISCI (Serial Communication Interface) means "serial communication interface", which is a general term for serial communication technology relative to parallel communication. It wa...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
With the development of military equipment, its functions are becoming more and more powerful, the equipment is becoming more and more complex, and the requirements for test systems are becoming highe...[Details]
Angle sensors are often used in measurement and control systems to collect various angle parameters or measure the speed of rotating mechanisms. At present, some angle sensors with mature technolog...[Details]
High brightness LEDs (HBLEDs) are rapidly gaining popularity in the automotive, consumer electronics, and industrial markets. Brilliant colors, long life, and high energy efficiency are some of the...[Details]
Fast charging of batteries for electric vehicles is an important topic in the research and development of electric vehicles. Although many practical charging devices or commercial chargers have the...[Details]
Beijing time, June 28 evening news, Qualcomm (Weibo) CEO Paul Jacobs said on Wednesday that he would not rule out the possibility of building a chip factory or using the company's cash to ensure the s...[Details]
Ultrasonic flow meter
Ultrasonic flowmeter is an instrument that measures flow by detecting the effect of fluid flow on ultrasonic beams or ultrasonic pulses. As a non-contact measuring instrumen...[Details]
White light LED lighting has been widely recognized by everyone for its high efficiency, low power consumption, energy saving and environmental protection. In essence, LED is a light-emitting diode. I...[Details]
Advantages such as small form factor, low power consumption and fast turn-on time have led to the
widespread adoption of
high-brightness LEDs
in today's automobiles. The initial application...[Details]
The gain controlled amplifier circuit is located in the forward amplification path, and its gain changes with the control voltage. The basic components of the control voltage forming circuit are the A...[Details]
DSP and ARM Processors
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