Hey guys, I have a Xuguang high-frequency head JS-6B1/111, the RF part is TDA6500, the IF part is TDA9885. I have read the datasheet for a few days, but I don't know how to realize automatic channel s...
Yesterday, I was sitting on the subway line 10, and I heard the public service advertisement that I have heard countless times: from the perspective of a little boy, it encourages everyone to travel g...
I can now parse WAV files. The sampling rate is 44Khz 16bit dual-channel PCM encoding. I now want to do FFT transformation. Should I directly use the 16bit data of WAV as a point for FFT transformatio...
I want to realize the communication between a PC and multiple AVR microcontrollers atmega16, the communication method is rs485 communication, please help me solve it, provide source code or flow chart...
Hello everyone! I have a question. I have a nodemcu module, which has been flashed with esp8266-20161110-v1.8.6. If I want to connect an external SD card, I need the file sdcard.py. Now I upload it th...
Make a half-bridge high-frequency inverter circuit driven by IR2110 chip. SG3525 is in front of IR2110. For simplicity, only the circuit after IR2110 is drawn, as shown in the figure: . But the output...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]