-
(1) Create the database file test.db
#cd /home/www
#sqlite3 test.db
SQLite version 3.7.7.1 2011-06-28 17:39:05
Enter ".help" for instructions
Enter SQL statements terminated wit...[Details]
-
;**************************************************************************************************************
;* (程序转载请著明出处 ...[Details]
-
High-voltage inverter equipment has a large power, and 4% of the power loss is mainly dissipated in the operating environment in the form of heat. If the working environment temperature problem of ...[Details]
-
For ground signals, a differential or NRSE acquisition system is generally used, as shown in Figure a and Figure b respectively.
As shown in Figure a, the differential acquisition system of th...[Details]
-
Verint® Systems Inc., the customer engagement company, has announced that its financial compliance technology has been recognized as the best vendor for risk management solutions in the 2019 RegTech ...[Details]
-
August 9, 2023, China - STMicroelectronics' STPM801 is the first automotive-grade integrated hot-switchable ideal diode controller to be launched on the market, suitable for automotive functional saf...[Details]
-
The Guangdong Provincial Conference on the Promotion and Application of LED Lighting Products was held in Guangzhou to study and deploy the work of Guangdong Province to comprehensively promote and p...[Details]
-
Some electromechanical equipment uses servo motors, while others use stepper motors, and the prices are very different.
** Stepper motor** is an open-loop control element that converts e...[Details]
-
The circuit is composed of three cascaded amplifiers. The three-stage circuit structure uses resistor self-bias technology to achieve single power supply. It can not only ensure that the PHEMT tube i...[Details]
-
This article will verify the low power consumption current of STM32L32 in stop mode. The STM32L152RE chip introduction on the ST official website clearly states that this chip can reach 560nA in st...[Details]
-
NANDFLASH startup and standard library issues I transplanted start.S of u-boot to my program, so that the program can be downloaded into the memory and run using the D function of supervivi, but it...[Details]
-
Author: Blue Ocean Brain
1. The rise of impact and verification technologies
With the widespread popularization of digital applications, it will gradually penetrate into various indus...[Details]
-
As we all know, three-way speakers are increasingly appearing in everyone's field of vision, because the expensive price before made everyone stay away. But now, its price is also decreasing year b...[Details]
-
Things to keep in mind when using a multimeter: 1. The switch must be placed in the position to be measured and must not be mistaken. When measuring voltage, if it is placed in the resistance or curr...[Details]
-
Many people believe that turning on dark mode on a phone can improve battery life, especially for phones with OLED screens, because OLED displays can turn off individual pixels to display black,...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
