Design name: Dynamic QR code displayWorks photos:Project Description:
QR codes can be seen everywhere in life. They are used in various payment, collection, advertising, promotion, etc., because mobil
[i=s]This post was last edited by jinglixixi on 2021-1-9 23:22[/i]After a period of exploration, the problem of using the color sensor was finally solved. In fact, in retrospect, it was not as difficu
What attracted me to the ESP-Korvo board is that it is equipped with a microphone array and the array algorithm can be freely used in the software (although it is not open source). In the previous pos
Summary of issues that are easily overlooked in power supply design: 1. The maximum power and rated working voltage of the chip resistor must be familiar: 0603/50V/0.1W, 0805/150V/0.125W, 1206/200V/0.