Shenzhen Sunlord Electronics is engaged in the development, manufacture and sales of various types of chip electronic components. Its products include magnetic devices, microwave devices, sensitive devices and precision ceramics, which are widely used in communications, consumer electronics, computers, automotive electronics, new energy, network communications and industrial electronics.
Sunlord adheres to the business philosophy of "complying with standards, technological innovation, continuous improvement, and providing excellent products and perfect services to global customers". With its advanced management system, strong development capabilities, excellent product quality and perfect services, Sunlord has become an electronic component supplier for many well-known domestic companies.
I recently used the Howland constant current source circuit. The amplifier is LMV614. The output currents are 0.5ma, 1ma, 3ma, and 5ma. However, when I finished drawing the board and tested it, I foun...
The forum is so quiet... I'll upload a 4x4 keyboard library for everyone to play with. [b]Connection:[/b] [align=left]Keyboard esp32[/align] [align=left]Row 1 io19 [/align][align=left]Row 2 io18[/alig...
Qorvo provides a comprehensive list of RF project design tools in 'Qorvo Design Tools - The Go-to Resource for RF Projects' . Let's take a look at some of them.Qorvo MatchCalc
This easy-to-use RF/micr...
There is a USB detection. When the USB is detected, the red light in RGB will be displayed. When the key is pressed for the first time, it will light up white. There are five gears corresponding to fi...
As the title says, for example, for a two-layer PCB
After copper is applied to both the top GND and the bottom GND
Why do we need to place several vias on the GND copper between the two layers? (After...
Introduction According to surveys, a large proportion of serious traffic accidents on highways are caused by under-inflated tires. To prevent such accidents, the U.S. Congress passed the TREAD Act, w...[Details]
If you want to change the pins that the LED is connected to, please modify the hardware.h file. If you want to change the brightness of the LED, please modify the Timings section definition in globals...[Details]
1 Introduction Liquid crystal display LCD, as a display device with low power consumption, small size and no radiation, has been widely used in various embedded electronic products in recent years. L...[Details]
According to Jiwei.com, on July 8, the signing ceremony of the Jinrong Cili Science and Technology Innovation Industrial Park project was held in Cili County, Zhangjiajie, Hunan Province. At the sign...[Details]
Once the system is built, its functionality is tested and the instrumentation setup is optimized to obtain the best measurements.
For the open state characteristic analysis
In most of the o...[Details]
According to Korean media reports, at 4:33 pm local time on January 29, South Korea, an explosion occurred at AGC's Gumi glass substrate factory in North Gyeongsang Province, South Korea, injuring 9 ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in a wider range of applications, among which LED street lights are a focus of industry atten...[Details]
EMCCD (Electron MuItiplying Charge Coupled Device) is a new generation of high-quality low-light imaging devices. Compared with the traditional CCD (Charge Coupled Device), it adopts on-chip electr...[Details]
Considering that the previous Redmi K40 series has received a lot of praise from consumers since its debut, many users have begun to look forward to the release of the new generation of Redmi K serie...[Details]
Jiwei.com reported on May 10 that at the 8K Ultra High Definition Production and Broadcasting Forum of the 2021 World Ultra High Definition Video (4K/8K) Industry Development Conference, Huawei relea...[Details]
In 2015, the installed capacity of domestic photovoltaic systems reached 18.6GW, but 4.5GW of them were not connected to the grid in time within the year and will be carried over to the next year.
...[Details]
An oscilloscope is an instrument that converts electrical signals into visible images. Its appearance allows engineers to see electrical phenomena more intuitively and accurately. Oscilloscopes are...[Details]
//When I was cleaning my hard drive, I found some of what I wrote before, so I posted it here. Although it's not very good, //One display cycle is 5 milliseconds. Theoretically, there will be no flic...[Details]
Hardware Development Platform Debugger Generally, it is difficult for beginners to write correct code in one go. Even experts will inevitably make some mistakes. Although the software development p...[Details]
0 Introduction
The meander line structure has become a new hot spot in modern antenna design in terms of reducing antenna size and improving antenna bandwidth characteristics. In order to...[Details]
Power technology
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