Simply put, the NK.NB0 I compiled cannot obtain a normal address from the router. The addresses I finally get are all private addresses such as 169.254.*.*. If you set a static IP, you cannot ping it....
[table][tr][td]It is said that this is the most popular blessing message for the Year of the Tiger. I wonder if it is popular with you? 1 A new year, a new beginning. New hope, new vitality. New oppor...
SYS(WRITE _WORDS,90) For example, if you want to write the data of @100 into %mw200 of PLC , what should the data of @90 to @96 be? I understand that @90=0; @91=200; @92=?; @93=?; @94=?; @95=100; @96=...
What is the difference between LM4F232 and TM4C123? I have an official LM4F232 board. I want to use it to run the TM4C123 TI-RTOS example. Is it possible?...
The SPI of PXA310 is used to control MCP2515, and the transmission is normal. After writing the command word to 2515, the chip status register is read. The MISO pin signal is normal when observed by o...
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
I have been working on this i2c for several days. Many people on the Internet say that this is a problem with the ST package library, and they basically talk about the STM32F1 series of chips, and ev...[Details]
Recently, the relevant person in charge of the Energy Conservation Division of the Energy Conservation and Technology Equipment Department of the National Energy Administration said on the issue of...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
Since China began to try to produce panels independently in 1998, in 2018, China's panel industry has gradually upgraded from a marginal industry to the largest production scale. Especially in the ...[Details]
I rewrote the main part of this program. The program uses the watchdog as a normal timer and scans the digital tubes in the watchdog interrupt. In addition, I added a display buffer. If you want to d...[Details]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
First of all, security practitioners have never felt that AI can be used as deeply as today. Although Antelope Cloud is a platform manufacturer, it has always been interested in AI and AI- specific...[Details]
According to TechRadar, given rumors that
Google
is developing a Pixel Watch
,
the
recently renamed Wear OS
smartwatch
operating system may soon be able to show its full cap...[Details]
Different models of PIC series microcontrollers have different watchdog settings. The following takes the PIC16F688 microcontroller as an example. 1. If WDTE=1 in the configuration word, the watchdog...[Details]
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