Isolated RS485 RS232 HAT for Raspberry Pi, SPI-Controlled Serial Expansion Board with Opto-Isolation and ESD Protection

The Isolated RS485 RS232 HAT is a reliable serial communication expansion module for the Raspberry Pi, offering both RS485 and RS232 interfaces with galvanic isolation. Designed for industrial applications, it allows your Raspberry Pi to safely communicate with legacy serial devices or networked RS485 systems.

Key Features:

• Dual serial interface: RS232 and RS485 with full electrical isolation
• SPI interface for Raspberry Pi (supports all 40-pin models)
• Built-in TVS diodes and optocouplers for ESD and surge protection
• Selectable RS485 auto-direction control or manual via GPIO
• Onboard DB9 RS232 port and screw terminals for RS485 wiring
• Compatible with Raspberry Pi 4/3/2/Zero/Zero W

Additional Specifications:

• Type: Serial Communication Expansion HAT (RS485/RS232)
• Compatability: Compatible with Raspberry Pi models featuring a 40-pin GPIO header (Raspberry Pi 4, 3, 2, Zero, Zero W)