2-Channel Isolated RS232 Expansion HAT for Raspberry Pi

WaveshareSKU: WAV-17498
(4 Reviews)
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Sale price £17.30
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This is a 2-channel isolated RS232 expansion HAT designed for the Raspberry Pi, adopting the SC16IS752+SP3232 solution, with embedded protection circuits including power supply isolation, ADI magnetical isolation and TVS diode.

It's easy to control the 2-channel RS232 via SPI interface. Due to its fast communication, stability, reliability, and safety, it's an ideal choice for uses such as industrial automation.

Note: Cables not included

Features

  • Standard Raspberry Pi 40-pin GPIO extension header
  • Adopts SC16IS752+SP3232 dual-chip combination, converts SPI to RS232, data rate up to 921600bps
  • Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic
  • Onboard LEDs for indicating the power and transceiver status
  • Breakout SPI control pins, for connecting with host control boards such as Arduino
  • Comes with development resources and manual (examples in C and Python)

In the box

  • 2-Channel CAN HAT
  • Nylon standoffs pack (2 standoffs, 4 screws)
  • 2×20PIN female header

Specifications

  • UART expansion chip: SC16IS752
  • RS232 transceiver: SP3232
  • Communication interface: SPI
  • Data rate: 300 ~ 921600 bps
  • Operating voltage: 3.3V / 5V
  • Dimensions: 65mm × 56.5mm
  • Mounting hole size: 3.0mm

Resources

Pinout

PIN RASPBERRY PI (BCM) DESCRIPTION
VCC 5V 3.3V/5V power supply
GND GND Ground
SCK P21 (SPI1 SCLK) SPI clock input
MOSI P20 (SPI1 MOSI) SPI data input
MISO P19 (SPI1 MISO) SPI data output
CS P18 (SPI1 CS) SPI chip select
IRQ P24 Interrupt output

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