This article uses the Smith chart as a design guide for RF impedance matching. This article gives examples of plotting reflection coefficient, impedance, and admittance, and uses the graphical method
I compiled the firmware for W5500 and got the following error when runningI compiled it according to this post
https://www.micropython.org.cn/forum/viewtopic.php?f=5t=78p=933hilit=W5500#p933
I recently bought a new SPI touch screen, and I love it very much. It seems to have injected a breath of vitality into my microcontroller career. It allows the Genlai screenless board to play its best
FF0000 and 880000 are both red. What is the difference between these two reds?Another question is, are reds of different saturations pure red, or are they mixed with other colors?
1. Brief Introduction
After completing the data request, you also need to write the software interface. The system comes with the LVGL graphical interface, but to be honest, using LVGL for monochrome