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 ...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]