[size=5] [/size][size=4] In some cases, in communication digital signal processing, designs with feedback loops are often encountered. For example, digital clock recovery or adaptive equalization filt...
I recently bought a Taiwan Elan MCU for experimentation. The MCU model is: EM78P156E series. I also bought an emulator and a burner. Today I wrote a 4*4 keyboard scanning program. When emulating, the ...
Prize-winning live broadcast: TI mmWave radar sensors are being used in smart homes and smart security!Click here to enter the live broadcastLive broadcast time: June 23 (Thursday) 10:00-11:30 amLive ...
[align=left][font=宋体]If you and I have encountered the same thing, please leave a message and pay attention [/font]----[font=宋体]On the event of Amo's account being blocked [/font][/align][align=left][...
I'm asking this because the course project requires making a circuit to simulate a scroll bar. Use 24 lights to simulate the scroll bar in Windows. Three lights are cycled, or cycled forward and backw...
The circuit working principle of the device is shown in Figure 9. Normally, the infrared light emitted by the infrared light emitting tube VD1 irradiates the infrared receiving tube VD2, causing the i...
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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[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]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]