
Four Serial Ports RS485 and RS232 Stackable HAT for Raspberry Pi
FEATURES Version 2 now in stock with significant improvements. Each port can be individually selectable as RS485 or RS232. On board termnators available for RS485 selection. Four RS232 or RS485 ports are individually selectable DIP Switch function selection of each port Uses the serial ports available on the Raspberry Pi GPIO Interface RS485 transceiver #1 connected to Raspberry Pi UART1 (GPIO pins 8, 10) RS485 transceiver #2 connected to Raspberry Pi UART4 (GPIO pins 7, 29) RS232 transceiver #1 connected to Raspberry Pi UART3 (GPIO pins 32, 33) RS232 transceiver #2 connected to Raspberry Pi UART2 (GPIO pins 21, 24) RS232 transceiver #3 connected to Raspberry Pi UART4 (GPIO pins 7, 29) Compatible with all Raspberry Pi versions from 4 to 5 Stackable with any other HATs (only one card per Raspberry Pi) DIP-Switch for RS485 terminators and configuration (no jumpers) No additional software required (drivers included in the Linux kernel) ECCN Code EAR99 3D FILES Four Serial Ports HAT