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2-Channel Isolated RS485 Expansion HAT, Compatible with Raspberry Pi 5\/4B\/3B\/Zero\/Zero W\/Zero 2W\/Pico\/Pico W\/Pico WH, SC16IS752+SP3485 Solution with Multi Onboard Protection Circuits\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards Adopts SC16IS752+SP3485 dual chip combination, converts SPI to RS485, data rate up to 921600bps\u003c\/li\u003e\r\n \u003cli\u003eAllows transceiving data manually or automatically, configured by DIP switch Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, llgthningproof \u0026amp; anti-electrostatic\u003c\/li\u003e\r\n \u003cli\u003eOnboard auto-recovery fuse and protection diodes, ensures the current\/voltage stable outputs, provides over-current\/over-voltage proof, improves shock resistance\u003c\/li\u003e\r\n \u003cli\u003eOnboard LEDs for indicating the power and transceiver status Breakout SPI control pins, for connecting with host control boards like Arduino\u003c\/li\u003e\r\n \u003cli\u003eComes with development resources and manual (examples in C and Python)\u003c\/li\u003e\r\n \u003c\/ul\u003e"}