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 magnetic 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, lightningproof & 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

Documents:

Package Includes:

  • 1 x 2-CH RS485 HAT
  • 1 x 2x20PIN female pinheader
  • 1 x RPi screws pack (2pcs)

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Waveshare 17221 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi

  • रo 1,670.00
  • रo 1,400.00

  • Price in reward points:1670

  • 10 or more रo 1,565.00
  • 20 or more रo 1,555.00
  • 50 or more रo 1,500.00

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Tags: HAT, RS485

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