2-Channel Isolated RS232 Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W, SC16IS752+SP3232 Dual Chip Convert SPI to RS232 Data Rate up to 921600bps Embed Multi Protection Circuits

OverviewThis 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. FeaturesStandard 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) SpecificationsUART expansion chip: SC16IS752
RS232 transceiver: SP3232
Communication interface: SPI
Data rate: 300 ~ 921600 bps
Operating voltage: 3.3V / 5V
Dimensions: 65mm 56.5 mm
Mounting hole size: 3.0 mm Package Content 1.2 -CH RS232 HAT x 12.2 x20PIN female pinheader x13.
RPi screws pack (2pcs) x1Note: this HAT doesn't come with any serial cable, you may also want to pick up the following cables for easy use: 1)Serial
Cable Dual Female Crossover: for connecting RS232 devices with male connector, OR for self transceiving test of the HAT's 2 channels RS2322) Serial Cable Male to
Female Straight Through: for connecting
RS232 devices with female connectorNote: the Raspberry Pi and serial cables are NOT included.