The role of PA input matching:1. Frequency error/phase error/EVM/modulation spectrum---Reduce reflections and avoid VCO pulling2. Conducted spurious---Design a low-pass filter to reduce harmonics3.ACL...
As the title says, I am currently using CreateFile. If successful, it means the serial port exists and is not in use. However, when the return value is something invalid (-1), how can I tell if the se...
[align=left][b][font=宋体][size=14.0pt]Methods to compile and update preloader and uboot programs in SoCEDS environment[/size][/font][/b][/align][align=left][font=宋体][b] [/b][/font][/align][align=left][...
PIC emulators are too expensive. I wonder if I can use USB to convert TTL serial to burn the program? Is there a DIY burner? What software do I use to burn the program?...
Based on the difference between PIC microcontrollers and MCS-51 series microcontrollers, there are three main features: (1) Bus structure: The bus structure of the MCS-51 microcontroller is the von Ne...
[hide] Digital cameras are still expensive products for ordinary consumers, so like other electronic products, they are also affected by parallel imports. Because consumers do not have a correct under...
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
I have read the source code of mbed these days, and the interface encapsulation for upper-level application calls is quite good. The code quality is relatively high, the comments are also very detai...[Details]
The Wassenaar Arrangement, everything started during the Cold War. Let's learn more about it with the embedded editor.
background
After the end of World War II, the United States ...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
On April 18-19, 2018, at the "Second Distributed Photovoltaic Carnival" held in Hangzhou, Jinko Power and China New Energy Assets Investment, Financing and Trading Platform (hereinafter referred to as...[Details]
Recently, Zhejiang Lipu Crushing Equipment Co., Ltd. invested 50 million yuan to build a new "annual production of 1,200 high-efficiency and energy-saving ultra-fine pulverizer construction project...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
Recently, Jiangsu GoodWe Power Technology Co., Ltd. ("GoodWe") unveiled two products of the SDT family, the 17kW smart photovoltaic inverter GW17KN-DT and the 20kW smart photovoltaic inverter GW20KN-D...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]
The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
Today’s medical devices are filled with increasingly complex electronic devices that monitor, display, assist and warn patients. The latest generation of medical device electronic devices are smaller...[Details]
RF/Wirelessly
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