In recent years, with the improvement of people's quality of life, more and more people have begun to pursue a high-quality viewing experience at home. The concept of "home theater" is getting closer ...
The previous article ( https://en.eeworld.com/bbs/thread-1204118-1-1.html ) mentioned the use of text in lvgl . This article will introduce line drawing.
We know that lvgl is object-based, and the use...
[DWIN Serial Port Screen] Nucleic Acid Sampling Registration System 1https://en.eeworld.com/bbs/thread-1200199-1-1.html
[DWIN Serial Port Screen] Nucleic Acid Sampling Registration System 2: Prepare B...
[i=s]This post was last edited by xiaobai16 on 2020-4-5 09:18[/i]Can someone help me take a look at this? Why can the command sent by the MCU only be displayed up to the fourth step (that is, it can o...
The Internet of Things (IoT) is a dynamic market that is driving change while also helping us cope with it. New applications are emerging every day, and the IoT ecosystem is evolving with it. Let’s ex...
A recent report released by Navigant Research, an information agency, has once again put two companies at the forefront. One is Tesla , which is at the bottom of the ranking , and the other is Way...[Details]
1. Button Introduction A touch switch is an electronic switch. Use: Press the switch button to connect the circuit, release it, and the switch will be disconnected 2. Working principle of indepen...[Details]
An announcement of suspension of sales stirred up the education market that had been silent for a long time.
In December 2023, DJI’s “STEAM Education” official website suddenly announced t...[Details]
This article mainly introduces the impact of different grounding methods of oscilloscope probes on measurement signals. Good grounding can make measurements more accurate. The probe and oscilloscop...[Details]
FCKing horo, a foreign flow expert, once said that flowmeter is one of the few instruments that is more difficult to use than to manufacture. This is because flow is a dynamic quantity. The liquid in ...[Details]
Since the beginning of this year, Neijiang City has emphasized the priority of industry and manufacturing, adhered to the guidance of new industrialization, implemented the industrial doubling plan in...[Details]
Averaging is one of the most common methods to reduce the inherent uncertainty of a measurement system. Performing multiple measurements and averaging the results can reduce the impact of randomness ...[Details]
Alps Alpine Co., Ltd. (TOKYO 6770; President and CEO: Toshihiro Kuriyama; Headquarters: Tokyo; hereinafter “Alps Alpine”) has signed an MOU (*1) with Acconeer AB (CEO: Lars Lindell; Headquarters: Lun...[Details]
As an important component of linear motion, linear modules generally need to be driven by motors and control the drive equipment at the same time. Among them, stepper motors and servo motors are mo...[Details]
In a solar photovoltaic power generation system, if the electricity generated by the solar cell array is to be used for AC loads, the main device to achieve this function is the inverter.
Inve...[Details]
Introduction: PIC Microcontroller Application Questions and Answers 1. How to choose the crystal in the PIC microcontroller oscillation circuit? For a high-reliability system design, the choice of ...[Details]
We have just implemented the allocation, reading, writing, and release functions of the Linux system memory. Next, we will complete the IO port mapping and IO memory mapping in one go. Come on!
1. C...[Details]
There is an inverting amplifier inside the MCS-51. XTAL1 and XTAL2 are the input and output terminals of the inverting amplifier respectively. After connecting the timing feedback element, it forms a...[Details]
Entering 2023, a new thing began to appear frequently in Hubei power grid, that is, the integration of source, grid, load and storage. Source is the power source, grid is the grid, load is the load, a...[Details]
The role of the transformer
A transformer is a device used to change the voltage of AC. It is composed of an iron core and a coil. It can not only change the voltage of AC, but also ...[Details]