There is a car Bluetooth lyrics in the Kugou APP
Is there any way for us to make an LED dot matrix screen by ourselves, and then connect it with an APP to realize the function of displaying lyrics?
Do...
The Online light of DTU is on for a while and then off for a while?
(1) Check whether the central server address and port configured in DTU are normal;
(2) If the central server address is normal, che...
The pulse waveform is amplified by an op amp, and the back end carries a capacitive load. The rise time, fall time and other parameters of the pulse waveform need to be changed according to the use re...
uC/OS (Micro Control Operation System) is translated as microcontroller operating system. The first version was released in 1992 and has now developed to uC/OS III.
Well, what's its use then?Anyone wh...
Do I need to show my ID card to activate the 300M annual card provided by the EC-01F-Kit, or can I use it right away?
Will it be taken back after the evaluation is over, or can I continue to use it fo...
Uart1 serial port send and receive interrupts. Target: When the serial port receives 1, LED1 lights up; when it receives 2, LED2 lights up; when other characters are received, LED1 and LED2 are tur...[Details]
The consumer electronics market, especially the LED driver market, has developed rapidly in recent years. These markets require power supplies/drivers with low power consumption, small size and ultra...[Details]
IC design company MediaTek held an online earnings conference today (31st). Its quarterly consolidated revenue was NT$61.567 billion (same unit below), up 16.8% from the previous quarter and 1.8% fro...[Details]
The evolution of the core Apple's entry into the computer CPU field is not a whim. You should know that Kalamata is not the first exposure of Apple's Mac chip plan. According to Bloomberg, as early a...[Details]
SEMI Europe, the industry association that unites the entire electronics manufacturing and design supply chain in Europe, today urged Europe to quickly adopt the European Chip Law and invited discuss...[Details]
A new clip released on YouTube today gives a rare look at a "Death Star" iPhone 4 prototype that features some differences from the production model. The video comes from a clip uploaded by You...[Details]
A novel electronic PS pressure sensor
PS pressure sensor is an electronic pressure sensor made of semiconductor diaphragm structure. It can convert the physical quantity of air pressure into electr...[Details]
The picture shows some registers in the system control module (SYSCON) of the LPC1114 user manual. Please look at the red box. The address difference is 0x4. Why is there a difference of 4? Many begi...[Details]
1 clock cycle = 1/crystal frequency M 1 machine cycle = 12 (12T for 51 series, 1T is 1) X clock cycle = 12 (1) X (1/crystal frequency M) = 1 us (1/12 us) Number of pulses in 1us machine cycle = cryst...[Details]
The 10th China Information Technology Expo (CITE2022) has an exhibition area of 100,000 square meters. The exhibition areas keep up with the industry's focus and integrate new exhibition areas base...[Details]
The CAN bus design specification has strict regulations on the differential level signal characteristics of CAN nodes. If the differential level signal characteristics of the nodes do not meet the sp...[Details]
Download arm-linux-gcc and unzip it, and cp the entire arm folder in it to /usr/local/
Then the registration environment
Usually modify the profile
1: For Ubuntu, the profile is run by call...[Details]
What is Power Factor Correction (PFC)? Power factor refers to the relationship between effective power and total power consumption (apparent power), that is, the ratio of effective power divided ...[Details]
In recent years, science and technology have developed rapidly, and society has entered the era of digitalization and informatization. Using high-tech to prevent, stop and combat crime (i....[Details]
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