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...
In recent years, as electronic devices have increasingly higher requirements for power efficiency and charging speed, coupled with various new demands for power management brought about by 5G communi...[Details]
The sluggish LCD panel market has led Samsung to launch an "early retirement" plan for its employees. Samsung Display launched an early retirement plan this month to cut its workforce, BusinessKore...[Details]
According to a press release issued by Tata Technologies, a global electric vehicle (EV) battery manufacturer has appointed the company to develop and design its first battery for its electric vehi...[Details]
Introduction For a long time, motors have been widely used in various fields as a conversion device for mechanical energy and electrical energy. Brushless DC motors combine the advantages of DC moto...[Details]
When the STM8 microcontroller uses the ADC function to read the values of multiple channels, the continuous mode can be used. However, the continuous mode can only sample the value of one channel...[Details]
The calibrated on-chip RC oscillator provides a fixed 8 MHz or 4 MHz clock. These frequencies are nominal values at 3V and 25°C. If the frequency exceeds the device nominal value, the CKDIV8 fuse m...[Details]
The circuit diagram of the LED module of the development board is as follows: In Keil, the declaration of sbit must be placed in the position of a global variable. If it is placed in a function, an...[Details]
GPIOx (x=A,B,C,D,E,H) pin configuration requires several aspects: (The engineering function of the configuration example can be downloaded from the official website.) 1. First of all, you must enable...[Details]
According to news on May 8, the 2023 International VLSI Technology Symposium will be held in Kyoto, Japan from June 11 to 16. The official has revealed in advance some content that will be announced ...[Details]
Software is the most important part of virtual instruments. By using the right software tools and designing or calling specific program modules, engineers and scientists can efficiently create their o...[Details]
0 Introduction
As oil resources become increasingly scarce and environmental problems become increasingly serious, the popularity of electric vehicles is increasing. With the development of te...[Details]
When the transformer DC resistance tester is operating normally, it will emit a continuous and uniform "buzzing" sound. If the sound produced is uneven or there are other special sounds, it should be...[Details]
Note: They cannot coexist, so I uninstalled ads on my computer. This article " MDK V4.60 version, after installation, the following warnings and errors will appear when opening the project to comp...[Details]
Electromagnetic interference modes of power supply system One of the reasons for the complexity of power supply interference is that it involves many variable factors. First, power supply interferen...[Details]
On October 23, Cao Xin, deputy secretary of the Party Committee and general manager of Hebei Construction Investment Group, met with Wang Shuhui, secretary of the Party Committee and chairman of Yu...[Details]