通讯问题，和交通问题一样，也有高速、低速、拥堵、中断等等各种情况。如果把串口通讯比做交通，UART比作车站，那么一帧的数据就好比汽车。汽车跑在路上，要遵守交通规则。如果是市内，一般限速30、40,而高速公路则可以到120。而汽车走什么路，限速多少 ...
In a recent post we interfaced a small DMX RGB LED Par Light with an Arduino Uno through a MAX485 module. In this post we will learn how to work with a compact USB to RS-485 Converter Module. This ...
The SC16IS741A is a slave I²C-bus/SPI interface to a single-channel high performance UART. It offers data rates up to 5 Mbit/s and guarantees low operating and sleeping current. The device comes in ...
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