XYGStudy 2-Channel Isolated RS232 Expansion HAT for Raspberry Pi SPI to RS232 Interface SP3232 UART SC16IS752+SP3232 Solution with Multi Onboard Protection Circuits ADI Magnetical TVS Diode

Overview
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, lightningproof & anti-electrostatic
Onboard LEDs for indicating the power and transceiver status
Breakout SPI control pins, for connecting with host control boards
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

Package Contains :
2-CH RS232 HAT x1
2x20PIN female pinheader x1
RPi screws pack (2pcs) x1

For more resources you may need, pls contact me via Amazon message, i will send you then via attachment.