In addition to the conventional I2C interface monochrome OLED screen, there is also a color OLED screen based on the SPI interface, which makes it more expressive and can display color pictures.
There
[size=4][color=#000000]Phenomenon: After a wireless network card is powered on, without any operation, the four PAs will emit a lot of heat, and the surface temperature of the PA is very high and hot.
What is the function of the cross-connection of the five tubes in the middle of this comparator? The test shows that it is a falling edge trigger. Where is the falling edge trigger? Please help. It wo