waveshare 2-Channel(2-CH) Isolated RS485 Expansion HAT for Raspberry Pi Adopts SC16IS752+SP3485 Solution Converts SPI to RS485 with Multi Onboard Protection Circuits Data Rate up to 921600bps
Standard RPi 40PIN GPIO extension header, fits Raspberry Pi series boards, Jetson Nano; Supports Multi-GNSS systems: GPS, BDS, and QZSS;Supports DGPS, SBAS (WAAS/EGNOS/MSAS/GAGAN)
Adopts SC16IS752+SP3485 dual chip combination, converts SPI to RS485, data rate up to 921600bps; Allows 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, lightning-proof & anti-electrostatic
Onboard auto-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance; Onboard LEDs for indicating the power and transceiver status