CMOS敏感器不是I2C总线电路，因此同arm连接必须有驱动电路(时序逻辑电路)。
When it connects to ARM, driving circuits (sequential logical circuits) is necessary because CMOS star sensor doesn't belong to I2C bus circuits.
OLED显示板主要设计了OLED显示屏的电源电路和显示驱动器的总线接口电路。
The design of OLED display board is mainly on the circuit of the OLED power supply and bus interface of display driver.
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