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
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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...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]