Does anyone know how to implement double buffering on a bare metal machine? Now refreshing images frame by frame is too slow. I searched online and found that it can be implemented with double bufferi...
Electromagnetic compatibility is a new concept, which is an extension and extension of the concept of anti-interference. It has evolved from trying to prevent electromagnetic noise and electromagnetic...
1. Project Introduction
I am a beginner of single-chip microcomputers. I signed up for the DIY competition with the spirit of a newborn calf not afraid of a tiger. The main purpose is to take the oppo...
1. NRF24L01 1.1 Introduction to NRF24L01
NRF24L01 is a single-chip wireless transceiver chip produced by NORDIC that works in the 2.4GHz~2.5GHz ISM band. The wireless transceiver includes: frequency g...
[size=4] The LINK address in PaRAM is a 16-bit offset address to PaRAM0. After the transfer to the PaRAM is completed, the entire current PaRAM table (including the LINK address in the target PaRAM) w...
When traditional high-power rectifiers draw power from the grid, due to the effects of high-power electronic devices and reactive components, a large amount of harmonic current is injected into t...[Details]
2019 is the year with the fastest mobile phone upgrades. We have welcomed the rise-and-fall camera and folding screen phones, and these changes have provided new space for full-screen phones. The gra...[Details]
The device cooperates with the coding circuit MC145026/MC145027 and the radio frequency transmitting/receiving module TDA1808rtfDA188, and can flexibly operate the mouse within a range of 10~120m. ...[Details]
During the long-term operation of the automatic monitoring system, the automatic room and the monitoring system operators conducted consultations on several common problems in sulfur di...[Details]
The current mainstream lithium batteries use liquid electrolytes, which pose safety hazards such as fire, and the energy that can be stored in a specific volume is limited. However, the next generat...[Details]
More than half of 2021 has passed, and the domestic mobile phone market has become a situation of fierce competition. Huawei has stood up and left the throne of the first in shipments. Xiaomi, OPPO a...[Details]
The product concept of negative ion hair dryers has long existed in the hair dryer product line. In recent years, with the gradual popularization of high-speed hair dryers, product manufacturers ha...[Details]
At MWC 2021, TCL unveiled NXTWEAR G, a pair of smart glasses designed for consumers. Unlike Google Glass, NXTWEAR G looks more like sunglasses, with lenses that completely block the wearer's fi...[Details]
0 Introduction
Remote communication systems and remote
monitoring systems
have two requirements for signal transmission: on the one hand, the interface must be flexible and have a high...[Details]
Learning STM32, TFT LCD display control is a very important chapter. I encountered many difficulties in the initial learning of STM32, so I listed some important knowledge points accumulated in the st...[Details]
When programming an 8051 microcontroller application system, it is often necessary to directly operate the various memory address spaces of the system. The target code generated by the C51 program aft...[Details]
Dielectric strength, commonly known as "insulation withstand voltage" or "safety test" or "high voltage test", is one of the safety tests. Its definition in physics is: the maximum electric field s...[Details]
Using MSP430F5438A, XT2 with an external 25MHz crystal oscillator, I wrote a clock driver, but it doesn't work properly. Now I paste this code out. This code sets MCLK, SMCLK and ACLK to XT2, whi...[Details]
According to foreign media reports, Apple will launch the next generation of Apple headphones AirPods 3 at a press conference in March. It is said that the next generation of entry-level AirPods will...[Details]
The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]