【】Modify the network card and change ens33 to eth01. Edit the gurb configuration filevim /etc/sysconfig/grubModify the GRUB_CMDLINE_LINUX variable and add two parametersGRUB_CMDLINE_LINUX="crashkernel...
The original application was to collect accelerometer data in real time through wireless communication and monitor the operation status of the device. Therefore, wireless transmission function is requ...
STM32F10x RS485 modbus RTU slave source codeSupports all RS485 modbus RTU slave commands;reads 4DI and 1 AI of the development board through RS485 modbus protocol;controls 3DO and 1 AO of the developm...
Mid-Autumn Festival is approaching, and the community is holding a chip-to-coin exchange event. I acted decisively and quickly, and the mooncakes arrived today. I’m going to show them off. Thanks to t...
FreeRTOS+DAP_RTT+Multi-function button+USART_DMA and add FREEMODBUS
So far, the project has been realized step by step, and it is not easy to debug step by step. Thanks to my family for their support,...
I have saved up E coins from the forum for several years, and I have spent almost all of them this time. It was sent by Mouser, and FedEx arrived at China at a very slow speed (luckily I received it b...
1. Design background and function
In this era of the Internet of Everything, life would be a bit monotonous without a fun smart home control system.
Since I work all day, home anti-theft ...[Details]
Capella Technology, represented by the Quan Ding Group, pointed out that the Energy Star 5.0 specification has required TVs to have relevant requirements for the power consumption of the entire machin...[Details]
Set the multimeter to the R×1k position and measure the forward and reverse resistance values of the infrared photodiode. Normally, the forward resistance value (the pin connected to the black te...[Details]
Regarding the question of whether the brushed motor speed regulator regulates voltage or current, the current speed regulator generally regulates voltage or frequency. There is also magnetic resist...[Details]
Enix Adapt FT3000 Series - Powerful test solution to avoid unnecessary time loss
Enics Adapt FT3000 series is Enics' own product testing platform. This series of test solutions is ...[Details]
The main flow-through parts of a centrifugal pump are the suction chamber, impeller and pressure chamber. The suction chamber is located in front of the water inlet of the impeller and serves to guide...[Details]
It is easy to encounter hardfault when debugging STM32. There are many reasons for encountering hardfault. During the debugging period, the root cause of this problem is mostly hardware problems. D...[Details]
STM8 CAN external clock control register (CLK_CANCCR) Address offset value: 0x0B Reset value: 0x00 Position 7:3 Reserved. Always 0. Bit 2:0 CANDIV : External CAN clock division value is written b...[Details]
Google's Project Zero security team recently discovered 18 vulnerabilities in Samsung modems, including the Pixel 6 series, Pixel 7 series, Samsung Galaxy S22 series and Galaxy A53 models. The repo...[Details]
The SRAM uses the 55ns IS62WV51216, and the timing requirements of the IS62WV51216 for reading and writing need to be analyzed first. Read Timing By analyzing the timing diagram, the followin...[Details]
On June 13, Hikvision
Robotics
presented its intelligent full-scenario products and solutions at the Shanghai SNEC Photovoltaic Exhibition with the theme of "Full-scenario Intelligent M...[Details]
Faced with a seemingly simple dimming function requirement, the modern 3G, 4G, and cloud computing era electronics industry is helpless. The popular media darling - smart grid - is also completely pow...[Details]
In recent years, China's lighter market has developed rapidly, not only in the domestic market, but also in the world market. According to statistics, the global demand for lighters is 16 billion p...[Details]
In high-frequency PWM switching converters, a reliable gate drive circuit must be designed to ensure that the power MOSFET works at high frequency, high voltage, and high current. A good driv...[Details]
The system uses the 16-bit single-chip microcomputer SPCE061A of Lingyang Company as the main controller. The smoke sensor and the human body pyroelectric infrared sensor respectively sense the smo...[Details]