In a single-phase full-bridge inverter circuit, in order to output a sinusoidal AC waveform, the signal given to the switch tube is an SPWM wave. If a PWM wave is given to the switch tube, and then an...
Hardware support: 1. An Arduino Uno R32. An MF RC522 contactless RF receiver module + RF card3. A 5v electronic relaySoftware tools: IDE (arduino-1.0.5-r2)Hardware connection: RC522 working voltage 3....
I am porting UCOSII to my STC MCU and found an example:There is a section in the example:EXTRN IDATA (OSTCBCur)EXTRN IDATA (OSTCBHighRdy)EXTRN IDATA (OSRunning)EXTRN IDATA (OSPrioCur)EXTRN IDATA (OSPr...
Recently designed 2 boards
Selected a material LD1117AG-33-TN3-AR in LiChuang MallLiChuang Mall has design schematics and PCB for material referenceI downloaded the design to the circuit board, but th...
Test the low power mode of its ZIGBEE protocol stack. TI has indeed spent a lot of effort on this protocol stack and the operating system OSAL that supports it. It is very easy to use. After making a ...
OPENMV scriptwritingThe burning of OPENMV script is relatively simple, mainly relying on the previously installed OPENMV IDE. The specific steps are as follows:Open the openmv die, as shown below.Open...
On April 16, OnePlus founder and CEO Pete Lau gave a spoiler for the OnePlus 8 series launch conference. Liu Zuohu said that this is a brand new attempt in the history of OnePlus new product...[Details]
Send a simple calculator program made with 51 single chip microcomputer.
/**********************Key processing***********************/
void KeyDeal(unsigned char Key)
{ //unsigned char n,p;
if(...[Details]
At present, the most popular topics in the automotive field are pure electric vehicles and driverless technology. As the most outstanding representative in the field of electric vehicles, Tesla c...[Details]
According to foreign media reports, the European Union is considering imposing a ban on member states from using equipment from companies considered to pose a possible security threat to its telecomm...[Details]
Speaking of which, it happened last year. Xiaomi officially released the MIUI 13 system at the end of the year, and it was first installed on the three flagship models of the Xiaomi 12 series. At the...[Details]
As people's demand for comfort, convenience and safety in their living environment increases, smart home systems have emerged. The core function of smart home systems is to achieve real-time monito...[Details]
Win10 environment configuration W806 has been introduced before, and the previous article talked about the development environment under Ubuntu. If you want to use the CDK development environment, ...[Details]
U.S. artificial intelligence startup OpenAI is preparing to launch a new type of agent, code-named "Operator," that will allow computers to do tasks such as writing code or booking travel on behalf...[Details]
The Redmi K50 e-sports version will be officially released on February 16, and the official has previously announced the "Ice Cut" color scheme. Xiaomi officially announced the second sports car co...[Details]
Overview The so-called "noise floor" usually refers to the "baseline noise floor" of the oscilloscope, which is the vertical noise caused by the analog front end and digital conversion process of the...[Details]
On the evening of May 6th, Beijing time, Reuters quoted people familiar with the matter as saying that the US Department of Commerce is about to sign a new regulation that will allow US companies to ...[Details]
The driving circuit is a Buck-Boost-Buck circuit controlled by HV9931, which is directly powered by AC power to achieve constant current drive and has PFC function; the dimming method adopts PWM d...[Details]
Innovative applications in the in-vehicle display market are emerging one after another. On May 17, a reporter from Securities Daily visited several new energy vehicle stores and saw that the centr...[Details]
The principles of infrared and halogen moisture analyzers are both heating weight loss methods. In fact, both instruments are electronic balances that can be heated. The sample is placed on the scal...[Details]
Recently, with the issuance of 5G licenses one after another, 5G is about to usher in large-scale commercial use. With the upcoming 5G, 5G communication standards are driving the continuously evolvi...[Details]