There are both analog and digital grounds on the board. When laying copper, part of it is digital ground and part of it is analog ground. When performing DRC check, the following dialog box appears. I...
uC/OS-II Introduction uC/OS-II is a priority-based preemptive hard real-time kernel. Since its release in 1992, it has been widely used all over the world. It is a kernel designed specifically for emb...
Reduce noise and interference 1) If you can use a low-speed chip, don't use a high-speed one. Use high-speed chips in key places. (2) You can use a resistor in series to reduce the jump rate of the co...
I installed the driver according to the LM3S811EVALUATION KIT README FIRST in the LM3S811 TI Evaluation kit CD. After installation, the driver name is different from that in the documentation. The doc...
I use CCS3.3 to connect the emulator XDS510-USB2.0 to flash the program to 2812. The software and emulator are normal, and there is no problem in flashing the program normally. Recently, the error ala...
[i=s]This post was last edited by yin_wu_qing on 2022-1-22 18:10[/i]After communicating with the organizer, the development board was received in advance. SF Express was indeed very fast. Let's unbox ...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
PCB Design
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