I wrote a small program, but when I compiled it, an error like the one shown in the picture appeared. What caused it? Please help me take a look, thank you!...
When I woke up in the morning, I saw that the Shanghai Tianma Circuit had been dressed up. There was a special maintenance channel in the track, which was no different from the official F1 race manage...
I use battery power, so I chose 89LS52. Now the supplier says it is out of stock and twice as expensive as 89S52. Is there any domestically produced model that can perfectly replace AT89LS52? Thank yo...
I want to know more about ATMEL's ARM Cortex-M0 microcontroller recently. The manual says that the debug interface is SWD. The SWCLK, SWDIO two-wire interface is the same as the SWD of ST's ARM Cortex...
Telecommunications Law and Telecommunications Network Interconnection 2006-7-17Since the telecommunications industry broke the monopoly and introduced competition, the issue of interconnection has att...
I wrote a timer interrupt function and wrote AD sampling in the timer interrupt. As a result, I could not get the correct AD value. The timing time was 0.1ms.
I use dsp2806, the system clock is 50MHz,...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
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]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]