![Amazon.com: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics Amazon.com: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics](https://m.media-amazon.com/images/I/71ZNOSKW2dL.jpg)
Amazon.com: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics
![Amazon.com: UTEK UT-890-TC USB Type-C to RS-485/422 Serial Converter with ESD Protection : Electronics Amazon.com: UTEK UT-890-TC USB Type-C to RS-485/422 Serial Converter with ESD Protection : Electronics](https://m.media-amazon.com/images/I/51r5-dKu8ZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UTEK UT-890-TC USB Type-C to RS-485/422 Serial Converter with ESD Protection : Electronics
![Amazon.com: DTech Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV : Electronics Amazon.com: DTech Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV : Electronics](https://m.media-amazon.com/images/I/61OmbI2NxnL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTech Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV : Electronics
![Amazon.com: Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage : Electronics Amazon.com: Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage : Electronics](https://m.media-amazon.com/images/I/71oyf-5C5dL.jpg)
Amazon.com: Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage : Electronics
![Amazon.com: JBtek USB to RS485 Converter Adapter ch340T chip 64-bit Window 7 Supported : Electronics Amazon.com: JBtek USB to RS485 Converter Adapter ch340T chip 64-bit Window 7 Supported : Electronics](https://m.media-amazon.com/images/I/318KxOcECWL.jpg)
Amazon.com: JBtek USB to RS485 Converter Adapter ch340T chip 64-bit Window 7 Supported : Electronics
![Amazon.com : 60Ft PTZ Power Video & RS-485 Control Cable for Q-See Zmodo Swann PTZ Cameras : Electronics Amazon.com : 60Ft PTZ Power Video & RS-485 Control Cable for Q-See Zmodo Swann PTZ Cameras : Electronics](https://m.media-amazon.com/images/I/61A55goR7KL._AC_UF894,1000_QL80_.jpg)
Amazon.com : 60Ft PTZ Power Video & RS-485 Control Cable for Q-See Zmodo Swann PTZ Cameras : Electronics
![Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/5160fZaKSbL.jpg)
Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics
![Taidacent SHT30 RS485 Modbus RTU Temperature and Humidity Sensor Transmitter for PLC and DCS Room Thermocouple Monitoring: Amazon.com: Industrial & Scientific Taidacent SHT30 RS485 Modbus RTU Temperature and Humidity Sensor Transmitter for PLC and DCS Room Thermocouple Monitoring: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51n2ozn6f0L._AC_UF1000,1000_QL80_.jpg)
Taidacent SHT30 RS485 Modbus RTU Temperature and Humidity Sensor Transmitter for PLC and DCS Room Thermocouple Monitoring: Amazon.com: Industrial & Scientific
![Amazon.com: AYA USB to RS485 Converter Adapter Support Win7 XP Linux Vista Mac OS WinCE5 : Electronics Amazon.com: AYA USB to RS485 Converter Adapter Support Win7 XP Linux Vista Mac OS WinCE5 : Electronics](https://m.media-amazon.com/images/I/61YZm2LQ3AL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AYA USB to RS485 Converter Adapter Support Win7 XP Linux Vista Mac OS WinCE5 : Electronics
![Amazon.com: Teyleten Robot USB to RS485 485 Converter Adapter CH340T Chip 64-bit Suitable for Windows 7/8 MacOS WinCE5.0 XP(Pack of 3) : Electronics Amazon.com: Teyleten Robot USB to RS485 485 Converter Adapter CH340T Chip 64-bit Suitable for Windows 7/8 MacOS WinCE5.0 XP(Pack of 3) : Electronics](https://m.media-amazon.com/images/I/71a8d6DoqrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Teyleten Robot USB to RS485 485 Converter Adapter CH340T Chip 64-bit Suitable for Windows 7/8 MacOS WinCE5.0 XP(Pack of 3) : Electronics
![Amazon.com: LFHUKEJI RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter(Passive) : Electronics Amazon.com: LFHUKEJI RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter(Passive) : Electronics](https://m.media-amazon.com/images/I/51d+zewzrIL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LFHUKEJI RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter(Passive) : Electronics
![Amazon.com: RS485 Converter Adapter, RS-232 to 485/422 Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines, Compatible with RS-232, RS-485, RS-422 Standards : Electronics Amazon.com: RS485 Converter Adapter, RS-232 to 485/422 Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines, Compatible with RS-232, RS-485, RS-422 Standards : Electronics](https://m.media-amazon.com/images/I/41HivPwXoSL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA16%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: RS485 Converter Adapter, RS-232 to 485/422 Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines, Compatible with RS-232, RS-485, RS-422 Standards : Electronics
![Amazon.com: UTEK UT-216 RS232 to RS485/422 Active Vonverter(External-Powered, RS-232 to RS-485/422, Wall-Mounted, 600w Surging protetion) : Electronics Amazon.com: UTEK UT-216 RS232 to RS485/422 Active Vonverter(External-Powered, RS-232 to RS-485/422, Wall-Mounted, 600w Surging protetion) : Electronics](https://m.media-amazon.com/images/I/51znlIL0xHL.jpg)
Amazon.com: UTEK UT-216 RS232 to RS485/422 Active Vonverter(External-Powered, RS-232 to RS-485/422, Wall-Mounted, 600w Surging protetion) : Electronics
![Amazon.com: DTech USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) : Electronics Amazon.com: DTech USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) : Electronics](https://m.media-amazon.com/images/I/61c+gGvQvnL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) : Electronics
![Amazon.com: COMMFRONT Industrial RS485 Opto-Isolated Hub/Splitter/Repeater, 2500V Optical Isolation, Supports 4x128 RS-485 nodes (Expandable), DIN-Rail/Wall/Panel Mount : Electronics Amazon.com: COMMFRONT Industrial RS485 Opto-Isolated Hub/Splitter/Repeater, 2500V Optical Isolation, Supports 4x128 RS-485 nodes (Expandable), DIN-Rail/Wall/Panel Mount : Electronics](https://m.media-amazon.com/images/I/71Ct2hFybfL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: COMMFRONT Industrial RS485 Opto-Isolated Hub/Splitter/Repeater, 2500V Optical Isolation, Supports 4x128 RS-485 nodes (Expandable), DIN-Rail/Wall/Panel Mount : Electronics
![Amazon.com: Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (3ft/1meter) : Electronics Amazon.com: Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (3ft/1meter) : Electronics](https://m.media-amazon.com/images/I/51X5rYbW-IL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (3ft/1meter) : Electronics
![Amazon.com: DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac : Electronics Amazon.com: DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac : Electronics](https://m.media-amazon.com/images/I/61qh9KynzIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac : Electronics
![Amazon.com: ACEIRMC 10pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi : Electronics Amazon.com: ACEIRMC 10pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/81k8C-vMKRS._AC_UF894,1000_QL80_.jpg)