Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
First of all, I would like to thank @dcexpert for donating the development board. Here is a brief introduction of the board:pybL series development board, ultra-low power consumption, supports micropy...
1. General embedded chips only have two types of priority events: main process and interrupt. Why did ARM develop FIQ mode on some chips?2. General operating systems manage tasks through timer interru...
[;)][;)]Constant current source in integrated operational amplifier1. Basic mirror current source The circuit is shown in Figure 6.1. The parameters of T 1 and T 2 are ...
STMicroelectronics has announced the signing of two MA agreements to acquire the entire share capital of BeSpoon, a specialist design company for ultra-wideband technology, and the cellular IoT connec...
Printed circuit board (PCB) design refers to the process of designing schematics, laying out circuits, and producing circuit boards at the lowest possible cost. In the past, this was usually done with...
Recently, Zhongying Electronics said in an institutional survey that the demand for mobile phone screens using AMOLED display driver chips has a clear growth trend, and the domestic market is expandi...[Details]
I used avr to convert, and I also encountered such confusion. Later I found that arm is too fast. The delay function is easy to write. I wrote it casually, and the accuracy is good at the u...[Details]
Foreign media recently reported that a security researcher with the ID "MG" has created a special Lightning data cable that allows hackers to remotely access your computer. Lightning data cables a...[Details]
With the increasing exhaustion of global energy, the continuous rise in surface temperature, the frequent visits of severe weather, and the gradual strengthening of human awareness of energy conser...[Details]
Like many teenagers, 14-year-old Belle had always dreamed of having a pet. When she was diagnosed with cancer, doctors ruled out having a pet, but she set her sights on something bigger - a pet drag...[Details]
1 Description Use STM8S internal clock (HSI); PWM mode 2; The duty cycle is 50% and the frequency is 2Hz (convenient for testing LED lights); PD2 port is connected to an external LED light, and P...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The 5V input, 1.3~3.5V/20A output programmable power supply circuit is composed of components such as LTC1708.
Oscillation frequency = 310kHz; VTl~VT4: FAIRCHILD FDS7760A; Ll~L2: SUMIDA CEP125-1R5M...[Details]
Rapid change is the new normal of our era. On May 6, iFlytek released the "iFlytek Spark Cognitive Large Model", which can be combined with multiple scenarios such as AI learning machines, iFlytek ...[Details]
variable
Variables are variables used in programs and can have different values. Depending on the scope of application, variables can be divided into the following categories:
● Local var...[Details]
YN series diaphragm seismic pressure gauge has good anti-vibration performance, especially suitable for working environment with mechanical vibration and medium pulsation. It can measure the pressure...[Details]
Huawei held a small-scale 5G salon communication meeting in Beijing. Yang Chaobin, president of Huawei's 5G product line, talked about the current status of 5G development and said that 5G thousand-y...[Details]
1. Working principle and composition of the system
As shown in Figure 1, the structure of this system consists of three parts: security monitoring alarm terminal, GSM wireless network and monitorin...[Details]
First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]
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