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This is a dual-channel isolated RS485 extension board specially designed for raspberry PI, which adopts SC16IS752+SP3485 solution, embed with protection circuits such as power supply isolation, ADI magnetical isolation, and TVS diode, etc. It is easy to control the 2-channel RS485 for auto transceiving via SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation.
We provide C and Python demo codes for Raspberry Pi. A quick testing example is provided in python.
Learn more know how at https://www.waveshare.com/wiki/2-CH_RS485_HAT