$6.99
EC Buying USB 2.0 to Serial 9-Pin RS232 Serial Adapter, DB-9 USB to Serial RS232 Converter Cable, USB 9-Pin Serial Cable, Serial to USB Adapter Support Windows 7/8/10/11/32/64/XP/RS232 to USBAmazon$14.99
JESSINIE Industrial USB to Serial Adapter UART Serial Adapter FT232RL Serial to USB Converter USB to TTL Adapter Port Module Support Multi Systems and Multi Protection Circuits with ShellAmazon$9.99
FT232RL USB to TTL Adapter for Development Projects, USB to Serial Converter Module with Genuine FTDI USB UART Compatible with Windows 7/8/10/XP,Linux, Mac OSAmazon$15.99
DaFuRui CH340G USB to TTL Serial Converter,3Pack USB to RS232 TTL Serial Adapter Converter 4 Pin Female Socket Compatible for Arduino Download CableAmazonSAVE $2.00
$10.99$12.99
TRENDnet USB to Serial Adapter, TU-S910, 3m (10 Feet), USB to RS-232 Serial Converter, Windows and Mac Compatible, WhiteAmazon$8.99
DUTTY FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Breakout FT232RL USB to Serial Mini USB to TTL Adapter Board for ArduinoAmazon$15.99
Manhattan USB to Serial Converter (18") 205146B&H Photo$11.99
CableCreation USB to RS232 Male Adapter with PL2303 Chipset, USB to DB9 Serial Converter for Windows 11, 10, 8.1, 8, 7, Linux and Mac OS,BlackAmazon$25.99
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner/Network Switches, USB to COMOffice Depot$27.99
TRENDnet TU-S9 USB to Serial Converter | QuillQuill.comSAVE $77.96
$63.99$141.95
Aten UC232A5PK USB to Serial Converter, 5-packOffice Depot$19.20
coolwell USB to RS232/485 Serial Converter with Original FT232RNL Chip Compatible Mac, Linux, Android, Windows 11/10 / 8.1/8 / 7 Multiple Devices ApplicableAmazonSAVE $5.74
$25.25$30.99
StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2)Amazon$19.90
waveshare USB to RS232 RS485 Serial Converter Adapter Onboard Original FT232RNL Chip,Supports Mac, Linux, Android, Win11/10/8.1/8/7Amazon$7.59
DAOKAI CP2102 USB-UART Converter 6 in 1 USB to TTL Serial Adapter Module Multifunctional(USB to TTL 485 232, TTL to 232 485, RS232 to 4850) 2Mbps for Windows 7/8/10, Linux, for ArduinoAmazon$14.99
Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (1.5ft/0.5Meter)Amazon$1.41
GMBYLBY PL2303TA USB to TTL RS232 Module Converter Serial Cable Adapter Download Cable Industrial Grade Modules Replacement USB ConverterAmazon$16.99
Manhattan USB to 1 Serial Device Converter, Retail Pkg.Office DepotSAVE $3.01
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OIKWAN USB to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 6 FeetAmazon$22.99
Jxeit USB RS485 WE1800 BT Cable USB to RS485 UART Serial Adapter Converter Cable1.8MAmazon$6.49
WWZMDiB Mini USB to TTL Serial Converter Adapter, 3.3V/5.5V, FTDI Breakout Board for ArduinoAmazon$14.79
waveshare Industrial USB to TTL Serial Adapter Cable, USB to TTL (D) Converter Onboard FT232RNL Chip Suitable for Raspberry Pi 5 Serial Port Debugging,3.3V/5V Voltage Level SwitchingAmazon$23.99
LZDICITARU USB to DB25 RS232 Serial Adapter Converter Cable Null Modem FTDI Driver Programming for Sharp X68K X68000 PC Communicate Programming CableAmazonSAVE $0.50
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HiLetgo FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5VAmazon$15.99
Tera Grand USB 2.0 to RS232 Serial DB9 Converter with 33" USB Extension CableAdorama$25.99
Sabrent USB to Serial SBT CB FTDI converterOffice Depot$7.99
Anbear USB to RS232 DB9 Cable (5 FT), USB 2.0 to Serial Cable Male A Converter Adapter with PL2303 Chipset for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 (Black, 1 Pack)Amazon$14.98
UTEK UT-8801 1.5M Length USB to RS-232 Converter ver2.0(1-port USB to RS-232 Serial Converter with ESD protection)Amazon$11.99
CERRXIAN 1FT RS485 to USB Terminal Converter Serial Port Cable for Windows 7 8 10Amazon$41.27
TUOPUONE Industrial Isolated USB to 4-Ch RS232 Converter USB to Serial Adapter Original FT4232HL Chip Mac/Linux/Windows Multi-OS Compatible RS232 Male portAmazon$14.99
OIKWAN USB-C to Serial Adapter, 6FT RS232 DB9 Female Converter Cable, FTDI Chip, Compatible with Windows, Mac, Linux, Type C Device, Industrial Applications, Data CommunicationAmazon$12.99
BETAFPV ELRS Recovery Dongle Chipset CP2102 FTDI USB to TTL Serial Converter Adapter Module Solder-Free Type-C Connector for Updating Firmware Compatible for ELRS Nano RX Micro RX Lite RXAmazon$9.99
Ximimark 4Pcs USB 2.0 to TTL UART 5PIN Module Serial Converter CP2102 STC PRGMR Free CableAmazon$20.99
Anwaut 1-Port Industrial USB to Serial/RS232 (DB9) Converter Adapter w/ 9 x LEDs (Compatible for Windows 11, macOS 14, 1-Meter, U2RS232-A)Amazon$9.19
HiLetgo 2pcs CP2102 MICRO USB to UART TTL Module 6 Pin Serial Converter STC Replace FT232Amazon$26.99
DTECH 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP MacAmazon$65.99
DriverGenius 4 Port USB to Serial RS232 DB9 Adapter Converter with 12 X LED Indicators - Prolific PL2303 - for Windows 11 & macOS 14 Sonoma (4XRS232)Amazon$5.53
Soaying 3X USB to RS485 Communication Module Bidirectional Half-Duplex Serial Line ConverterAmazon$7.49
axGear New USB 2.0 to RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterAmazonSAVE $2.00
$9.99$11.99
TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length, Plug & Play, White, TU-S9AmazonSAVE $0.52
$6.18$6.70
Dafensoy USB to RS232 Serial Adapter, USB A Male to DB9 Pin Female Serial Converter Cable,Suitable for Connecting Computers and Various Serial Devices - Black 1.8M/6FeetAmazon$19.20
USB to RS485 or RS232 Serial Converter Adapter, Onboard Original FT232RNL Chip, built-in self-recovering fuse, TVS protection circuit, etc. Compatible with Mac, Linux, Android, Win11/10/ 8.1/8/7Amazon$23.00
USB to DMX Interface Adapter LED DMX512 Studio Computer PC Stage Light Controller Dimmer FT232RL RS485 3PIN XLR Serial Converter Cord Support Win10 (6ft, Transparent USB Shell)Amazon$2.62
KSTZGTA USB to TTL Serial Board Converter Module 5V/3.3V Level Download and Burn Line CP2102 Serial Adapter Module Serial Module AdapterAmazon$9.99
OIKWAN USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, BlackAmazonSAVE $3.00
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CableCreation USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industrial Machinery, CNC, BlackAmazon$37.99
TECHTOO 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews (W/Thumbscrews, 4 RS232 Port)Amazon$11.99
TRENDnet USB 1.1 Type-A to Serial Converter Cable (v3.0R) TU-S9B&H Photo$38.99
Anwaut USB to Serial/DB9 RS-232 Converter Adapter with 9 Data Monitoring LEDs (2Pcs/Package, U2RS232-A)Amazon$68.99
UIROBOT Serial Adapters USB and CAN Bus System Control Converter Gateway Hardware, Wide Voltage Input 12~48VDC, CAN Bus 3000V Isolation, Aluminum CaseAmazonSAVE $1.20
$10.79$11.99
SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, Hexnuts, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and above] 6 Feet (CB-9P6F)AmazonSAVE $11.96
$30.99$42.95
ATEN USB to RS-232 Converter - Type A Male USB, DB-9 Male Serial - 1.3ftOffice Depot$16.90
Generic USB to RS485 485 3 Pins Serial Module Communication Converter Adapter Cable Screw Terminal FTDI ChipsetAmazon$20.98
UTEK UT-890A 5ft 1-Port USB to RS-485/422 Serial Converter with ESD ProtectionAmazon$6.39
DiGiYes Module USB 2.0 to TTL 5Pin Module Serial Converter for UART STC 3.3V and 5V with Connection Wire (Red)Amazon$42.10
ARTICHOKE FTDI FT232RL CHIP USB to RJ45 RS485 Converter Serial Host Communication Cable Fit Compatible SOL-ARK Sun Hybrid Solar MPPT Inverter to PC (Color : Transparent USB Case, Size : 3.6M)Amazon$2.25
KSTZGTA Performance RS232 DB9pin Serial Male Female Converter Adapter 232 DP9 Coupler 90 Degree Elbow USB to Rs232 Serial Adapter Connector Male to Female 90 DegreeAmazon$30.75
FTDI FT232RL USB to XLR 3PIN Male Adapter Converter RS485 Serial Cable Compatible with MA;Rani Audio Processing Device DPA-A DPA240P DPA260P (Size : 3m, Color : Color D)Amazon$9.35
High Speed Serial Port USB Isolated TTL Output Module Power Supply Isolated Module Buck Converter Isolated TTL Output Module with Self Recovery FuzAmazon$26.57
AMNOUR FTDI FT232RL USB to XLR 3-pin Male Adapter Converter RS485 Serial Cable (Size : 1M, Color : Color D)Amazon