2-Channel Isolated RS485 Expansion HAT SC16IS752+SP3485 Dual Chip Convert SPI to RS485 Data Rate up to 921600bps Embed Multi Protection Circuits for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W

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2-Channel Isolated RS485 Expansion HAT SC16IS752+SP3485 Dual Chip Convert SPI to RS485 Data Rate up to 921600bps Embed Multi Protection Circuits for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W

Regular Price: US$53.99

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Availability: In stock

Supplier: waveshare

Category: Electronics Computers & Accessories Computer Components Single Board Computers

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Overview This 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 SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation. Features * Standard 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 * 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 * Breakout SPI control pins, for connecting with host control boards like Arduino * Comes with development resources and manual (examples in C and Python) Specifications * UART expansion chip: SC16IS752 * RS485 transceiver: SP3485 * Communication interface: SPI * Data rate: 300 ~ 921600 bps * Operating voltage: 3.3V / 5V * Dimensions: 65mm × 56.5mm * Mounting hole size: 3.0mm Package Content 1.2-CH RS485 HAT x1 2.2x20PIN female pinheader x1 3.RPi screws pack (2pcs) x1 Note: 1.Raspberry Pi is NOT included. 2.Any questions, Please feel free to send us message. See more

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. Allows transceiving data manually or automatically, configured by DIP switch.Onboard LEDs for indicating the power and transceiver status. UART expansion chip: SC16IS752. RS485 transceiver: SP3485. Communication interface: SPI. Data rate: 300 ~ 921600 bps. Operating voltage: 3.3V / 5V. This is a 2-channel isolated RS485 expansion HAT designed for Raspberry Pi, Adopts SC16IS752+SP3485 dual chip combination, converts SPI to RS485, data rate up to 921600bps, with embedded protection circuits such as power supply isolation, ADI magnetical isolation, and TVS diode, etc.