-
According to news on March 2, Beijing time, Italy is preparing to allocate more than 4 billion euros (about 28 billion yuan) to support its domestic chip manufacturing industry before 2030. Under the...[Details]
-
(I) First, set the multimeter to the resistance range
(ii) Use the two probes of the multimeter to touch the two ends of the electrolytic capacitor.
At this time, the pointer of the multime...[Details]
-
The medium frequency variable frequency power supply is based on the microprocessor in MPWM mode and is designed with an active component IGBT module. It uses technologies such as digital frequency...[Details]
-
The application principle of high-precision current probes is that the current flowing through the wire will generate a magnetic field around it. The current probe converts the magnetic field into ...[Details]
-
4 uses C2051 microcontroller, and uses cheap and easy-to-get 74LS164 and 74LS138 as expansion chips. 74LS164 is an 8-bit serial input and parallel output shift register. Its function here is ...[Details]
-
Abstract: Aiming at the speed regulation requirements of three-phase AC asynchronous motor in a certain equipment, a current and speed dual closed-loop speed regulation control system is designed w...[Details]
-
1. Definition Pulse Width Modulation: It is a very effective technology that uses the digital output of a microprocessor to control analog circuits. It is widely used in many fields from measurement,...[Details]
-
The most important development in power electronics in recent years has been the rise of so-called wide bandgap (WBG) materials, namely silicon carbide (SiC) and gallium nitride (GaN). The properties...[Details]
-
In the GPIO control chapter, the delayed flashing LED only used a simple for loop. In order to achieve accurate timing, this chapter introduces the use of the SysTick timer to generate an inte...[Details]
-
Taking one CPU1518-4 PN/DP (6ES7 518-4AP00-0AB0) and one S7-200 SMART PLC as an example, the S7 communication between them is introduced.
hardware:
① S7-1500 CPU
② S7-200 SMART...[Details]
-
LEDs have poor surge resistance, especially reverse voltage resistance, so it is essential to strengthen protection in this area. In view of this, this article introduces a PFC switching power supp...[Details]
-
Infrared thermal imaging cameras are suitable for non-contact temperature measurement projects in all companies around the world. Spot thermometers are another widely used non-contact temperature mea...[Details]
-
At a press conference held early this morning, Apple finally released the long-rumored AirTag, a Tile-like Bluetooth tracking device that can connect to users' keys, wallets and other items to track ...[Details]
-
With the increasing number of cars, car theft has become a social problem that is of general concern and urgently needs to be solved. At present, various car anti-theft methods and products are emergi...[Details]
-
/* Name: ADC0809 digital-to-analog conversion and display
Description: ADC0809 sampling channel 3 input
Analog quantity, the converted result is displayed on the digital tube.
*/
#include reg...[Details]
Security Electronics
京公网安备 11010802033920号
EEWORLD
