I haven't drawn PCB for a long time. Recently, I have a motor board to make. I drew a motor board again using Allegro 16.6. The last time I drew a board was 2 years ago. This time I picked up Alidog a...
[i=s]This post was last edited by littleshrimp on 2021-9-18 12:29[/i]I bought a few night vision cameras on a certain website. This one is the NV3 version, which uses a 4-pin HSD connector and is smal...
I was debugging the USB communication of stm32f4xx recently. I originally used HID communication, but the communication rate was not up to par. Then I wanted to change to cdc mode communication, but a...
I was lucky enough to participate in this ATmega4809 development board testing event. I received the development board the day before yesterday and would like to share the unboxing experience with you...
The development board I have is: MAX32630FTHR The debugger is: DAP-LINK Now I have a firmware program in MSBL format, and I want to burn it into it through DAP-LINK. Is there any software that can bur...
Regardless of whether it is a high-power or low-power LED lighting application, it is generally composed of a power supply, LED driver, LED, lens and substrate. The key component is the LED driver, w...[Details]
IBM started researching metal-air batteries seven years ago. How well do they perform? What are the obstacles to mass production?
Many people may not realize that IBM has been researching b...[Details]
As the complexity and functionality of mobile communication devices grow exponentially (as driven by Moore's Law), the cost of testing them is also increasing. The challenge facing engineers is to fin...[Details]
1. Cause After the CAN interface is adjusted, the next thing to adjust is the flash interface, because the first part of the work is to prepare a 5744 CAN-based bootloader. This part has been done on...[Details]
1. High current The latest switching power supply technology is adopted, which can continuously output large current for a long time. The ground resistance meter calibration device overcomes the disa...[Details]
On June 6, Apple announced the launch of the iOS 17 system at the WWDC 2023 Developer Conference, which added a simulcast sharing function to CarPlay. It is expected that the iPhone 15 series models ...[Details]
Metal Oxygen Varistor (MOV)
The variable resistor is connected across the live wire and the ground wire at the rear end of the fuse. Its operating principle is that when the voltage difference be...[Details]
Ningbo Qunxin Microelectronics Co., Ltd., located in the Hangzhou Bay New Area, has recently received new news. According to Ningbo Daily, Chen Yiqun, chairman of Qunxin Microelectronics, said, "Si...[Details]
In March 2023, Kaixin Technology obtained the highest level ASIL D certification for the ISO 26262 functional safety management system from Germany's TÜV Rheinland, an internationally renowned third-...[Details]
There are generally two reasons why electrical appliances are not powered on: short circuit and open circuit. Before we repair the faulty circuit, we must have an accurate diagnosis of short circuit ...[Details]
Examples of pointer functions
#define ubyte unsigned char
#define uint unsigned int
#define ulong unsigned long
ubyte kbCode; //Key code record
ubyte kbStatus; //Current status of the keyboard...[Details]
According to the Operator Finance Network, industry insiders revealed that after some 5G mobile phones were launched on the market, manufacturers helplessly discovered that there were only five 5G ch...[Details]
After the official release of iOS 14, many Apple users around the world went crazy for the various ways to play with the widget function. In order to try out and add various widgets, many users share...[Details]
1. Experimental tasks Use P1.0 to output 1KHz and 500Hz audio signals to drive the speaker as an alarm signal. It is required that the 1KHz signal sounds for 100ms and the 500Hz signal sounds for 200...[Details]
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