I got the board almost a month ago. I had some time to play with it during the Spring Festival holiday, but it still took some time to burn the firmware of the board.The main control of Pengfeng Techn...
Are there any seniors in geotechnical engineering who can help me with the soil resistivity measurement problem? Currently, the industry generally uses the quadrupole method to measure soil resistivit...
When hardware engineers first come into contact with multi-layer PCBs, it is easy to feel dizzy. There are often ten or eight layers, and the circuits are like spider webs.Draw several diagrams of the...
When the microcontroller is powered off, all data in the RAM data area will be lost. For example, if you use an MP3 player and start playing from the first song every time you restart it, after a few...
[size=4]The sound card obtains the sound analog signal from the microphone, and converts the sound wave amplitude signal into a series of digital signals through the analog-to-digital converter (ADC),...
[size=4] 1. Circuit Function Overview [/size] [size=4] [/size] [size=4] The infrared diode sensing circuit can realize that when the hand is close to the infrared transmitting tube and the infrared re...