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...
## 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...
Introduction DSP is the abbreviation of digital signal processing or digital signal processor. Its application is becoming more and more extensive with the rapid development of digitalization. However...
Question: Can I use an MCU to access a non-standard SPI interface? Answer: Yes, but it may require some extra effort. Introduction Many current precision analog-to-digital converters (ADC...[Details]
According to the International Energy Agency (IEA), 19% of the electricity consumed worldwide is used for lighting. Therefore, in recent years, countries around the world have been committed to replac...[Details]
The golden age will come
when
robots
are found in every scene
.
Tesla's high-profile entry, various robot manufacturers rushing to go public, and the gradually recoverin...[Details]
Because the sonic Venturi nozzle has the advantages of simple structure, small size, stable performance, good repeatability and high precision, it is used as a gas flow transmission standard and is wi...[Details]
Recently, when I was writing a program, I found that there was a problem with setting the external interrupt. Why did the previous program not work? After a night of tossing and turning, I found that...[Details]
Jiwei.com reported on March 2 that the national mobile game Honor of Kings released an announcement for a non-stop update for all servers. The announcement said that in order to allow players to enjo...[Details]
1. Basic requirements for design
Aiming at the specific requirements of a mobile device, a simple and practical vehicle-mounted sine wave inverter power supply is developed. It adopts the SPWM...[Details]
On October 19, the Ministry of Industry and Information Technology issued the "Guiding Opinions on Further Strengthening the Construction of New Energy Vehicle Safety System" (draft for comments), wh...[Details]
Make a quartz crystal selection tester by yourself, use light-emitting diode to display the test results, which is fast and accurate. As shown in the figure.
Insert the quartz crystal tube BX to be t...[Details]
I believe everyone has encountered a sudden pop-up window indicating low battery, interrupting operations, such as in a team battle in a game, watching a TV series, or during a video conference. We...[Details]
In the design of multi-channel passive radar signal processor, the DSP chip TMS320VC5409 is used
to control
the
interface
circuit
of four DDC chips HSP50214B
, and key technologi...[Details]
At present, 97% of the world's population lives in areas covered by mobile cellular signals. It is no exaggeration to say that mobile communication technology has changed human society. 5G is the c...[Details]
1. Causes of Errors
After the target flowmeter was installed according to the technical conditions and put into operation according to the operating procedures, it was found that a few instruments...[Details]
China had 325 million cars on the road and 23 million cars sold in 2018, both ranking first in the world. More and more in-vehicle applications require location information, and higher accuracy is re...[Details]
2023 is the 100th anniversary of Valeo, and a century of development is inseparable from technological innovation. On October 24, 2024, at the 12th Automotive and Environmental Forum, Valeo China C...[Details]