As the title says, I want to create a task in esp32 to periodically obtain the file name and number of files in the file system of the micropython task...
I am a newbie in zstack. When debugging the serial port of 2538, the serial port cannot print out data. What is the reason? The LCD below shows correctly, indicating that the data is received, but the...
[Review details] Try GigaDevice GD32L233 and start the energy-saving "chip" era![First batch of shortlisted candidates and award receipt matters][Second batch of shortlisted candidates and award recei...
IP5328P is a multifunctional power management SOC that integrates QC2.0 / QC3.0 output fast charging protocol, FCP / AFC / SFCP input and output fast charging protocol, MTK PE + 1.12.0 output fast cha...
There are many power management techniques available and many new ones are being actively researched. Unfortunately, the most effective techniques often conflict with operating system and application ...
## Preface The architecture is well done, and it is as productive as a sow. The effect will come out after the interface is changed. On the second day of work, it took half an hour to get the PWM driv...
The Bitobar flowmeter is a flowmeter with only one sensor suitable for multiple media. It can be widely used in the measurement of gas, steam and liquid flow. Gas: primary wind speed (volume), seconda...[Details]
China Energy Storage Network News:
On December 11, State Grid Jibei Electric Power released the ubiquitous power Internet of Things virtual power plant demonstration project, and the pan (FUN...[Details]
Common cathode means that all the cathodes of the light-emitting diodes are connected together, and this common cathode can be used for chip selection.
As shown in the figure, t...[Details]
#define WARM_KEY_PIN (GPIOC- IDR&(1 5)) #define Speak(tmp) GPIOA- ODR=tmp?(GPIOA- ODR|1 12):(GPIOA- ODR&(~(1 12))) (1) IDR is a register used to check the pin level status, and ODR is a r...[Details]
Steam can be divided into saturated steam and superheated steam. In the flow meter, the density can be obtained by looking up the table based on the temperature and pressure of the superheated steam ...[Details]
Scalar control and vector control are two different control methods in the field of motor control.
Scalar control refers to controlling the speed of the motor, and indirectly controlling...[Details]
From November 8th to 10th, 2022, the 12th China Automobile Forum hosted by the China Association of Automobile Manufacturers was held in Jiading, Shanghai. As the first grand gathering of the automob...[Details]
On January 30, the Hubei Electric Power Company of State Grid learned that the first new distribution network pilot project with friendly interaction between source, grid, load and storage in our prov...[Details]
The most effective way to determine whether the clock is configured correctly is to output the configured clock from a certain pin, and then detect it externally with a frequency meter or oscilloscop...[Details]
Apple's upcoming "Apple Glass" may allow users to skip unlocking their iPhones because they will already be authenticated. Apple has been granted a patent for using "Apple Glass" or a simila...[Details]
In steady current mode, the LED display manufacturer's driver components must provide overvoltage protection. The LED is disconnected from the power supply, so that when the power fails, there is n...[Details]
The emergence of "In-System Programming" (ISP) technology is a major breakthrough in traditional programming methods. It refers to a programming technology that reprograms devices in user-designed ...[Details]
The primary side regulation controller (PSR) can accurately control the CV/CC of the charger output at the primary side without the need for a feedback circuit at the secondary side, achieving powe...[Details]
On December 17, the online founding conference of the Nanjing Integrated Circuit Industry Intellectual Property Alliance and the first alliance member conference were successfully held under the or...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]