2-Channel Isolated RS232 Expansion HAT for Raspberry Pi

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  • Part No :
  • RAS-3395
  • Availability:
  • In Stock
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  • Same Day
  • Weight:
  • 0.045Kg
  • Made By:
  • Waveshare
  • Mfr.Part.No:
  • 17498
  • Quality Rank:
  • 95/100
Rs 1299
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Rs 1533
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This is a 2-channel isolated RS232 expansion HAT designed for Raspberry Pi, adopts the SC16IS752+SP3232 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 RS232 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+SP3232 dual chip combination, converts SPI to RS232, data rate up to 921600bps
  • Onboard TVS (Transient Voltage Suppressor), effectively suppress 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 like Arduino
  • Comes with development resources and manual (examples in C and Python)


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

What's on Board:

 

  • SC16IS752 UART expansion chip
  • SP3232 RS232 transceiver
  • ADUM1412 digital isolator
  • B0505LS power supply isolation module
  • RT9193-33 power chip
  • Raspberry Pi GPIO connector: for connecting Raspberry Pi
  • MCU control header: for connecting host control boards like Arduino
  • RS232 connector: 2 channels RS232 interface (RS232 9PIN male)
  • Transient suppress diode array
  • ESD protection two-way diode
  • Serial port status indicator
  • RXD1/TXD1: channel 1 transceiving indicator
  • RXD2/TXD2: channel 2 transceiving indicator
  • Power indicator
  • Interrupt pin switch
  • The interrupt pin IRQ is connected to P5 (BCM P24) by default
  • Changeable via 0R resistor

 

Note:  Raspberry Pi and serial cables are NOT included.
 

Note: HAT doesn't come with any serial cable, you may also want to pick up the following cables for easy use:

 

Serial Cable Dual Female Crossover: for connecting RS232 devices with male connector, OR for self transceiving test of the HAT's 2 channels RS232
 

Serial Cable Male to Female Straight Through: for connecting RS232 devices with female connector

 

Package Includes:
 

  • 1x 2-CH RS232 HAT
  • 1x 2x20PIN female pinheader
  • 1x RPi screws pack (2pcs)

Development Resources:
 

  • Product Page
  • Wiki
  • Schematic                                            
  • SC16IS752 Datasheet                                      

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2-Channel Isolated RS232 Expansion HAT for Raspberry Pi