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Based on the friendly arm tiny4412 development board, the uboot version is 2010.12: Generally, we divide UBOOT into two stages. The first stage is mainly assembly code, which is used to initialize th...[Details]

Fault phenomenon: After the inverter is powered on, start the inverter and connect the forward terminal to the common terminal! The inverter RUN light is on! After the user has repeatedly set ...[Details]

       In-circuit programming (ICP) is used to update the contents of the entire memory of the STM8. ICP uses the SWIM interface to load the user's program into the microcontroller, while providing fa...[Details]

When using three-phase AC, the natural phase change point of the three-phase AC is often used as the reference point for control. Therefore, it is necessary to detect the natural phase change point of...[Details]

platform Hardware: TQ2440 64MB RAM 256MB NandFlash bootloader：U-Boot 2015.04 kernel：linux-4.9 Python: Python-3.6.0 Toolchain: arm-none-linux-gnueabi-gcc 4.8.3 Overview Raspberry Pi is very popular ...[Details]

　　Traditional indoor lighting control is a simple control mode of wall switches, which is completely controlled by people. Because people entering the room lack energy-saving awareness, they turn on ...[Details]

In production, due to factors such as installation environment, cost control, and ease of operation, one-button start and stop control will be used, such as motor control, valve control, etc. Today...[Details]

ARM instruction set—SWP instruction SWP and SWPB are atomic operations on storage units in the ARM instruction set, that is, a read and a non-cuttable operation on a storage unit. SWP and SWPB comp...[Details]

　　The conventional two-stage design is adopted. The first stage is used to absorb larger surges, and the TVS is used in the latter stage to further absorb the residual pressure. Inductors are used fo...[Details]

On February 7, according to foreign media electrek, when a Tesla vehicle was using the FSD Beta version, the driver failed to take over in time, causing the vehicle to hit the roadside barrier when t...[Details]

For example: In the past, the circuit system of a car was a bit like household electricity. There must be electricity and plugs to supply electricity to electrical appliances. If anything did not w...[Details]

As countries around the world race to deploy smart transmission systems, ensuring the security of these systems has become an important issue. Although there are few standards specifically for smart g...[Details]

Introduction: A simple, reliable and low-cost H code (DC) decoder is designed based on ATmega8 microcontroller. The differential H code signal is received through the standard RS485 interface. After ...[Details]

There are 7 blue buttons on the ZDS2022 oscilloscope panel. The distinctive blue color naturally gives them different missions. In the previous series of videos, I believe everyone has experienced th...[Details]

introduce Many of the Dallas Semiconductor 8051-based microcontrollers support in-system programming through a common RS-232 serial port. In-system programming means that program and/or data memory...[Details]