This is a music control board made by a foreign netizen using CircuitPython (a branch of MicroPython), the effect is very gorgeous. Running effectOriginal text: [url]https://learn.adafruit.com/star-tr...
Abstract: ISD4004 voice chip series is a product launched by ISD Company of the United States. It has the characteristics of multiple recording and playback, long storage time, no need to expand the m...
After setting the send trigger depth interrupt, if the data has not been sent yet, the FIFO is empty, will the send interrupt be triggered immediately? What if you do not want to send data at this tim...
The board I developed is C6202B, using the xds510 PCI emulator and ccs2.2.018 development software. My dsp was able to load the program at first. I then saved the program area and data area using data...
As the title says, job opportunity Wince/WM driver development engineer Beijing. Experience in Wince/WM driver development is required. Interested parties please contact koalor_girl@hotmail.com...
[font=Helvetica, Arial, sans-serif][size=5][color=#ff00ff][b]I'll organize the previous posts and make a general post to facilitate communication. 1. BeagleBone Hardware Performance Test_Weekly Plan[/...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
With the reform of the education system, the proportion of funds invested in teaching facilities by colleges and universities has become increasingly important. As the most basic hardware condition fo...[Details]
Pure C51 reset function: A junior student, who makes people love and
fear The single-column reset part is as follows:
main()
{
unsigned char code rst ={0xe4,0xc0,0xe0,0xc0,0xe0,0x32}; ...[Details]