单片机nrf82532驱动液晶屏,使用串口驱动程序，很好是节约单片机输出口。(The single-chip nrf82532 drives the LCD screen and USES the serial driver, which is very good to save the single chip.)

OLED显示(硬件SPI驱动）,使用串口驱动程序，很好是节约单片机输出口。(OLED display (hardware SPI driver), using serial driver, very good is to save the single chip to export.)