The figure shows the related voltage pulse experiment. It can be seen that in the 12V system, the highest US reaches -150V. So when we choose the input filter capacitor, should we choose the one with ...
LPWA currently includes a variety of technologies, such as LoRa, Sigfox, Weightless and NB-IoT, among which LoRa has entered China since 2013. It is expected that the shipment volume of Semtech's SX12...
Since udelay is an infinite loop, will the processor interrupt interrupt the udelay function to handle the interrupt, and then handle the high-priority task after the interrupt exits?...
Questions: The default SRAM size of AT32F403, AT32F403A, AT32F407 is 96KB, which can be modified to 224KB. The default SRAM size of AT32F413 is 32KB, which can be modified to 16KB or 64KB. How to modi...
Hello everyone! I would like to learn about the knowledge of software testing for commercial or household appliances: What is the difference between testing of appliance software and commonly known so...
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technology has become an importan...[Details]
First, the basic working principle of the positioning sleep activation scheme for power-constrained embedded systems is explained; then the significant features of MCP2030, such as three-directiona...[Details]
Title: Convert the eight-bit binary number in accumulator A into a three-bit decimal number in BCD format
The circuit diagram only needs to use the minimum system, without any external devices. The...[Details]
Next, we will take the LED water flow lamp as an example to demonstrate the timing function. The time interval of the water flow is precisely controlled by the timer. (For those who want to take a de...[Details]
1. UART Principle Description Universal Asynchronous Receiver/Transmitter (UART) is used to transmit serial data: when sending data, the CPU writes parallel data into the UART, and the UART sends it ...[Details]
1. First check the "Tiny6410-1170 CPU Core Board Schematic Diagram" and find the LED part:
As can be seen from the above figure, when nLED_1 is at a low level, LEDx will light ...[Details]
1 Activate LPTIM in STM32Cube 1. Detailed explanation of LPTIM timeout interrupt The library functions used are: HAL_StatusTypeDefHAL_LPTIM_TimeOut_Start_IT(LPTIM_HandleTypeDef *hlptim, uint3...[Details]
The point of this build is to make a free
Wifi
waveguide antenna (although some self-provided materials are required).
Common routers used to set up
wireless
networks use o...[Details]
In the process of learning microcontrollers, I have only learned half a bucket of water. I have learned a little bit of the above-mentioned microcontrollers, but not very well. Recently, I want to so...[Details]
Recently, the disassembly team iFixit shared the disassembly of the new MagSafe charger for iPhone 12 and iPhone 12 Pro. An X-ray image of the MagSafe charger provided by Creative Electron shows th...[Details]
The 8th China Information Technology Expo (CITE 2020) will be held at the Shenzhen Convention and Exhibition Center from August 14 to 16, 2020. It has been one year and three months since the last Ch...[Details]
u-boot-1.1.6 status 1. Check the available IP addresses in the current LAN $ nmap -sP 10.10.11.* 2. Set u-boot ip related variables setenv gatewayip 10.10.11.254 setenv ipaddr 10.10.11.120 setenv ser...[Details]
The global manufacturing industry is facing huge challenges due to factors such as increasing labor shortage, rising labor costs, fierce global competition, and repeated epidemics.
As an adv...[Details]
Chip giant Intel today announced details of its foundry business unit, which is now accounted for as a separate item as part of a change in its financial reporting format.
Intel and TSMC have ...[Details]
On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
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