Wang Quan Technology (Kunshan) Co., Ltd. established a back-end taping factory in Kunshan in April 2001, and at the same time started to build a factory on Huangpujiang Middle Road. In December 2002, the new factory was completed and began full manufacturing. Wang Quan's products are SMT chip resistors, including chip resistors, array resistors, and network resistors. The current monthly production capacity is 9 billion PCS, which are mainly used in desktop notebook computers, computer peripheral products, network communications, mobile phones, etc. In order to adapt to the trend of miniaturization of electronic products and the requirements of high precision, the company actively develops smaller and more precise products. The company actively completes certifications that meet international standards, and has successively completed ISO9000, ISO14000 and other certifications. As a member of the global village, Wang Quan must also fulfill its environmental protection responsibilities. Therefore, in 2004, it completed the lead-free electroplating terminal electrode and mass-produced RoHS-compliant products in July 2005. Wangquan adheres to the chairman's business philosophy. Maintaining integrity is the principle of persistence, giving back is the unchanging concept, surpassing is the eternal goal, maintaining talent is the driving force of progress, research and development is the rock of development, and continuous efforts are made to make progress. The company has a total investment of US$100 million, covers an area of 119,000 square meters, and now has more than 2,800 employees. In the next 2-3 years, it will realize the corporate vision of becoming the first in the market share of chip resistors in East China.
I plan to use MAX7456, which requires a 27M crystal. I want to save the crystal and use the STM32 MCO to output it.The CLKIN input datasheet is as follows, and VDVCC is a 5V power supply.I plan to use...
My keil always makes mistakes, for example: void main(void) { unsigned int w; w=10; } The program will fail when it reaches the end of '}'. *** error 65: access violation at C:0x0A00: no 'execute/read...
Myth 1: Cure all diseases
The truth: 802.11ax cannot solve the problems caused by incorrect planning and designFor wireless networks, planning and design are of utmost importance! Only by adhering to ...
The microcontroller used is STC12C5A60S2, and the display screen is 320*240 TFT screen. Now I want to use DS1302 on TFT to display time and adjust the time by myself. Please tell me how to write this ...
I use the ad09 software. After importing the schematic into the PCB, there is a column of packages that I cannot select, as shown in the black arrow in the picture. And when I use the scroll wheel to ...
Serial port framing protocol Problems in serial port reception In electronic systems, the simplest and most widely used communication method is undoubtedly the serial port. Almost all module-related p...
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
DMA： 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[Details]
China Energy Storage Network News:
2017 is the year when China's energy internet policy was implemented. Since the National Energy Administration issued the "Notice on the Announcement of the...[Details]
In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]
;***********************************************************************; ;title: Em78p458/9 comparator test program ; ;Description: The comparator result is output from...[Details]
stm32/stm8
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