Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
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In the past, I made direct-insert PCBs. I usually set the line width of the power and ground lines to 50 mils, and the other lines to 30 mils. Now I want to make a PCB with both SMD and direct-insert ...
Recently, I need to display digital tube-style numbers on the LCD screen. I have been thinking about it for a long time but can't find a good solution. When I was writing a document note about using P...
At first, the UART_Keyboard of the official example program always failed to run on the computer, so I went online to learn about the specific process of UART implementation, modified the official exa...
1. What is the starting address of the DSP after reset?0x3FFFC02. What are the steps for burning the program in the emulator?Burn the program to the specified location according to the cmd file, and t...
The following figure is a circuit diagram of DC or battery input, which performs constant current control on 6 strings of LEDs
It adopts a multi-string boost structure design. The LED driving met...[Details]
In June 2020, NI announced a final agreement to acquire OptimalPlus for $365 million, which will be paid entirely in cash and bonds. OptimalPlus is the world's leading data analysis software for the ...[Details]
An oscilloscope is an electronic measuring instrument that can transform invisible electrical signals into visible images, making it easier to observe the signal changes. Oscilloscopes are calle...[Details]
When we learn STM32, the function assert_param is very likely to appear. If you search online, you will find that the assertion mechanism is generally explained online and is used during the program d...[Details]
On May 8, according to 91Mobile, the new Redmi 5G phone is about to debut, equipped with MediaTek Dimensity 800 series chips. It is reported that Dimensity 800 is MediaTek's 5G chip for the m...[Details]
Problem description: Use STM32 cube to generate usart2 DMA direct mode (not using FIFO, normal mode, STM32f407) configuration code. usart2 can use blocking mode to send, but using DMA to send can o...[Details]
Since the end of 2020, chip shortages have been at the top of the topic list in the automotive industry. Many automakers, including Volkswagen, Mercedes-Benz, Ford, Toyota, and Honda, have announced ...[Details]
In China, the construction of charging piles has been going on for ten years, but the investment has only been gradually increased in recent years. So what will the development trend of charging pile...[Details]
According to the Korea Herald, Samsung is considering canceling the Galaxy Note series and transferring the S Pen to the Galaxy S series. This design will appear in the S21 Ultra (or S30 Ultra) next ...[Details]
0. Implement uwTick function similar to STM32 through TIM4 An interrupt is generated through TIM4 timing, and uwTick++ is executed every millisecond. 1. Set TIM4 frequency division and automatic re...[Details]
There are two types of existing OLED materials : "fluorescent materials" that emit light for a short time after voltage is applied, and "phosphorescent materials" that emit light for a long time. ...[Details]
While recent chip shortages have led most consumers to assume that microprocessors -- the brains of their personal computers -- must be causing recent supply issues, it turns out it's a tiny chip wor...[Details]
Inverter air conditioners and ordinary air conditioners are two different types of air conditioning systems. They have certain differences in working principles, energy efficiency, comfort, price, ...[Details]
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