-
Dell has started selling a 75-inch 4K monitor that supports multi-touch capabilities and combines the device with a range of interactive features. The new Dell 75 4K Interactive Touch Monitor is desi...[Details]
-
eo reporter Zhou Huizhi
In 2019, which is about to pass, power grid companies have experienced many highlights in a series of transformation actions. The main theme is the "Internetization" of...[Details]
-
USB Introduction
USB (Universal Serial Bus) is a universal serial bus used to connect peripheral devices such as keyboards, mice, printers, scanners, digital cameras, MP3, and USB flash drives to com...[Details]
-
MR16 lamps are a type of multi-faceted reflector lamps, widely used in commercial retail and home decorative lighting. Since they usually use halogen filaments as light sources, they have many disadv...[Details]
-
As the global PCB industry develops towards high precision, high density and high reliability, product updates and iterations are accelerating. At the same time, the focus of the PCB industry has shi...[Details]
-
According to data from WitsView Technology, the price of large-size LCD flat panels used in LCD TVs fell by a quarter in the second quarter of this year compared with the first quarter. People look...[Details]
-
/*
Program effect: Use the interrupt of 51 MCU to scan the keyboard. Press the key, the buzzer sounds, and the corresponding key value
is displayed on the digital tube. Press the E key to t...[Details]
-
Permanent magnet synchronous motors use permanent magnets to provide excitation, making the motor structure simpler, reducing processing and assembly costs, and eliminating collector rings and brus...[Details]
-
Keithley source meters may encounter various problems during use. So how to deal with the problems? The following is shared by Xi'an Antai Instrument Repair Center: Test Difficulty: IoT devices hav...[Details]
-
...[Details]
-
With the emergence of high-power LEDs, the life of LEDs and power conversion efficiency have become the main considerations when designing LED lighting systems. Based on Fairchild Semiconductor FAN...[Details]
-
Function: 1. At the beginning, "00" is displayed, and timing starts after the first press of SP1.
2. When SP1 is pressed for the second time, the timing stops.
3. After pressing SP1 for t...[Details]
-
The current flow direction demonstrator introduced in this example uses a light-emitting diode to demonstrate the flow direction of the DC current in the wire. When the battery polarity is changed...[Details]
-
According to statistics, the global demand for lithium-ion batteries has reached 1.3 billion, and this figure is increasing year by year as the application field continues to expand. As a result, w...[Details]
-
At present, the campus broadcasting system is developing towards digitalization, networking and intelligence. According to market demand and prospect forecast, the production of campus teaching wir...[Details]
Test/Measurement
京公网安备 11010802033920号
EEWORLD