After a power outage, an error message appears during startup... Reinstalling doesn't work... Why is this? How can I fix it?
invalid command name "xxxx"
while executing
"LibraryGetMappings $new_ini"
(...
#include "msp430g2553.h" ....... P1SEL|=BIT0; // Set P1.0 as TimerA external count signal input port P1DIR&=~BIT0; // Set P1.0 as input port // TimerA configuration TACTL=TASSEL_0; // Timer A clock so...
When IGCT is used alone, no snubber circuit is required. However, IGCT needs to be used in series for high-voltage inverters of 6 kV and above to obtain a higher withstand voltage level. At this time,...
OPEN and CLOSE are two buttons, OPEN is a normally open button, CLOSE is a normally closed button. RL1 and RL2 are used to simulate loads.
Under normal circumstances, Q3 should have no output when pow...
I heard that it won't work because the pins of SIM900A are too dense. Does anyone know if it can be done?
Anxious +10086
-------------------------------------------------------------------------------...
PCB design materials for beginners (including factory production process)[/size][/font][/color] [url=https://download.eeworld.com.cn/detail/%E8%AE%BA%E6%96%87%E5%B8%9D/32376][size=4]https://download.e...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
Single-chip microcomputer is the abbreviation of single-chip microcomputer. It is made by integrating CPU, ROM, RAM, TIMER/COUNTER and input/output interface (I/O) on a large-scale integrated circu...[Details]
Any power system that operates from an AC source has an associated power factor, which is defined as the way it draws current from the AC source. The power factor of an AC power system is defined a...[Details]