-
u-boot stage lowlevel_init calls the following function to implement putc, but does not support printf spl_config_uart_baudrate uart_asm_init asm_putc board_init_f calls the following fun...[Details]
-
The brightness of LED fluorescent lamps, LED ceiling lamps, LED downlights, LED bulbs, LED candle lamps, etc. is measured by luminous intensity. Luminous intensity refers to the luminous intensity i...[Details]
-
1. Measure the crystal oscillator clock: Use a digital multimeter to measure the voltage at both ends of the crystal oscillator. If the voltage at both ends is half of the power supply voltage or one...[Details]
-
The instrument that uses ultrasonic testing method to detect is called ultrasonic flaw detector. Its principle is: when ultrasonic wave propagates in the material to be tested, the acoustic charact...[Details]
-
1. Test environment description Hardware platform: NUCLEO-F767ZI development board (STM32F7, Cortex-M7, 216MHz, 2MB Flash, 512KB SRAM) Operating system: FreeRTOS v9.0.0 (CMSIS-RTOS v1.02) TCP/IP p...[Details]
-
Baud rate selection As mentioned above, in serial communication, the data transmission rate (baud rate) between the sender and the receiver must be agreed upon. Among the four working modes of the 80...[Details]
-
According to Jiwei.com (Text/Digital Control), OPPO's new Reno phone has been confirmed to be released in Shanghai on the 10th of this month. It can be confirmed that this new phone has two versions,...[Details]
-
According to market data from Jiwei.com, my country's Internet of Things market size exceeded one trillion yuan for the first time in 2018, with an annual compound growth rate of over 25%; the global...[Details]
-
Keysight Technologies Inc. has announced the launch of the new Keysight C-V2X Autonomous Driving Emulation (ADE) solution, which runs on the Keysight UXM 5G wireless test platform and can fully test ...[Details]
-
Following new energy passenger vehicles and eVTOL, Funeng Technology's semi-solid-state batteries are also the first in the industry to enter the field of commercial vehicles, helping commercial vehi...[Details]
-
The robot has many actions and functions to achieve, and multiple sensors are needed to detect the outside world and control the robot's position, action and running status in real time. All tasks ...[Details]
-
LED driver power supply is a voltage converter that converts power supply into a specific voltage andcurrent to drive LED to emit light. Under normal circumstances: The input of LED driver pow...[Details]
-
德国联邦机动交通局(KBA)发布的最新数据显示, 2019年德国电动和混合动力汽车使用的百分比显著上升。 Last year, the number of new registrations for hybrid vehicles was 239,250, an increase of 83.7% compared with the same period in 2018. Among t...[Details]
-
On October 28, 2021, some keyword search rankings on the App Store showed abnormalities. After data investigation, it was found that a large number of products had keywords not been ranked, incl...[Details]
-
Mitsubishi FX series PLC is a programmable logic controller widely used in the field of industrial automation. In the FX series PLC, the auxiliary relay is an important soft component used to imple...[Details]