I have been looking at ZCL stuff, but now I want to implement security under HA. I saw that there is a family in ZCL for this purpose, but now I am working on it based on the TI 2530 protocol station,...
1. LSD-TEST430F548 development board, 1 piece, CPU is MSP430F5438, with a black and white LCD, acceleration sensor, 120 yuan 2. MSP430F5438 core board, 2 pieces, CPU is MSP430F5438, all I/O leads are ...
The external crystal selects 6M and 8M PLL is 400M, but the error is 0 when 6M is selected, and the error is 0.0047% when 8M is selected. I don't know what this means. Since there is an error, why is ...
1. Create a Bluetooth project 2. Import header files #import3. Implement proxy:[/size] [size=4]4. Create the central device and peripheral device arrays and initialize them. [/size] [size=4] [/size] [...
I am a student majoring in electronics. I would like to ask which software is mainly used for PCB board design in the coastal area. Our school only teaches protel 99 se....
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[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]
1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[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]
As a leading company in automotive semiconductors, Freescale and Khronos Group have jointly launched an automotive multimedia embedded microprocessor i.MX35 with an integrated OpenVG hardware acceler...[Details]
//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[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]
STM32 has three startup modes. In RM0008 downloaded from the ST official website, you can find the startup-related configuration instructions: Translated into Chinese: The storage media corresp...[Details]
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