What is a POE switch?A PoE powered switch is a switch that can provide network power supply to remote powered terminals through a network cable. It includes two functions: network switch and PoE power...
DMA interrupt: During data transmission, when the DMAxSZ register value decreases to 0, DMA sets DMAIFG. The DMA interrupt and DAC12 module share the interrupt vector. When using the interrupt, the so...
When I first started learning DSP, the most troublesome thing was the DSP bootload problem. When I was learning 51 before, as long as the program was written and compiled, I could use the burner to bu...
The MCS-51 microcontroller has a full-duplex serial communication port inside, namely the serial receive and transmit buffer (SBUF). These two physically independent receivers and transmitters can bot...
Step 1 Install Qt Creator on the virtual machine (CentOS7) Copy qt-creator-opensource-linux-x86_64-3.5.1.run to the virtual machine, double-click to install, and click Next for all. b Step 2 Qt Create...
Achieve goalsRealize the ability to decode and play simple music using a buzzer as a playback device.It has a loop list, can switch between the upper and lower tracks in real time, pause and start in ...
Circuit Function and Advantages
The circuit shown in Figure 1 provides a dual-channel, channel-to-channel isolated thermocouple or RTD input suitable for programmable logic controllers (PLCs)...[Details]
Star Wars fans must be very familiar with the 360-degree 3D projection on starships, and now this technology is no longer science fiction. Researchers at Osaka University in Japan have developed 3D...[Details]
On September 9, the 2019 China Semiconductor Packaging and Testing Technology and Market Annual Conference was held in Wuxi. At the meeting, Ye Tianchun, leader of the overall group of the National S...[Details]
TRID, a leading supplier of frame rate converter (FRC) products, launched the industry's first integrated 240Hz frame rate converter solution at the Berlin International Consumer Electronics Show (...[Details]
1 Introduction
Organic electroluminescent display, also known as organic light emitting diode (OLED) or organic light emitting display (OLED), has obvious advantages over the popular liqui...[Details]
Nexperia launches new Application Specific MOSFET (ASFET) for hot swapping, doubling SOA performance
Fully optimized RDS(on) and SOA for inrush current control in 12V hot-swap and so...[Details]
Recently, a 3GPP working group meeting was held in Reno, the United States, and the Super Uplink standardization work has made a breakthrough: the impact of Super Uplink on the standards of the three...[Details]
First, open the schematic diagram of the baseboard and find the button information:
Four buttons can be found:
You can see that the pins corresponding to the four buttons are EINT1,...[Details]
1 Introduction
In the fields of industry, national defense, military, aerospace, etc., it is necessary to use the circuit's own resources to perform rapid fault diagnosis, that is, the circuit is...[Details]
As LED technology matures, LED lighting is increasingly used, such as LED flashlights in mobile phones, LED home lamps, LED headlights and taillights in cars, etc. But how can we effectively extend t...[Details]
Speaking of the world's three major smartphone operating systems, do you know which ones they are? We have talked to you in previous articles. The world's three major mobile phone operating systems a...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Urban street lighting is an indispensable public facility in people's daily life. It is understood that the current power consumption of street lighting in China accounts for about 15% of the total p...[Details]
Security Electronics
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