I want to make an MP3 by myself using a single-chip microcomputer, using 12864 as the display part, and using an SD card to store music files, but I have no idea at all now and don't know how to start
[align=left][color=#000]There is a Chinese proverb: A nest of gold or silver is not as good as one's own nest of earth. Everyone longs for a warm and sweet family. However, with the booming developmen
[Ask if you don't understand] The question about the SN74AHCT245DW chip is as the title says. I checked the information about this chip and it says that it is an 8-bit bus transceiver with three-way o