Waveshare 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi

Description Waveshare 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi Designed for Raspberry Pi (Not Included) Allows transceiving data manually or automatically Onboard auto-recovery fuse and protection diodes Provides LEDs for indicating power and transceiver status Breakout SPI control pins, for connecting with host control boards Comes with development resources and manual The Waveshare 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi is a 2-channel isolated RS485 expansion HAT designed for Raspberry Pi, adopts the SC16IS752+SP3485 solution, with embedded 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 the SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation. View more What's Included 1 x 2-Ch RS485 HAT 1 x 20-Pin Female pin-header 1 x RPi Screws pack(2 pcs) Dimensions Size 65 x 56.5 mm Specifications UART expansion chip: SC16IS752 RS485 transceiver: SP3485 Communication interface: SPI Data rate: 300 ~ 921.600 bps Operating voltage: 3.3 V / 5 V Mounting hole size: 3 mm Weight: 0.029 kg