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USB to TTL Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC ‘FT232RL’Amazon$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$8.88
MTUERANC USB to RS232 Serial Adapter, USB Mini 5 Pin Male to DB9 9 Pin Female Serial Converter Cable 1.8M/6Feet (mini USB to RS232 Serial)Amazon$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$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
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TRENDnet USB to Serial Adapter, TU-S910, 3m (10 Feet), USB to RS-232 Serial Converter, Windows and Mac Compatible, WhiteAmazon$20.99
5Pcs CP2102 USB-UART 6 in 1 USB to Serial Port Adapter Converter USB-TTL, USB-RS232, USB-RS485, TTL-RS232, TTL-RS485, RS232-RS485 Serial Adapter 3.3V / 5V Universal Adapter ModuleAmazon$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$12.47
FT232 USB UART Board (Type C), USB to TTL Serial Converter Adapter Module Onboard Original FT232RL, Compatible with Mac Linux Android Wince Windows 7/8/8.1/10/11, 5V/3.3V UART (TTL)Amazon$15.99
Manhattan USB to Serial Converter (18") 205146B&H Photo$9.99
Atnsinc 3Pcs CP2102 USB 2.0 to TTL 5Pin Serial Adapter USB to TTL Serial Converter Module for UART STC 3.3V and 5V with Dupont Wire (USB 2.0 to TTL CP2102)AmazonSAVE $77.96
$63.99$141.95
Aten UC232A5PK USB to Serial Converter, 5-packOffice Depot$27.99
TRENDnet TU-S9 USB to Serial Converter | QuillQuill.com$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 $1.37
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StarTech.com 3ft (1m) USB to Serial Cable, DB9/DB25 RS232 to USB Converter, Prolific, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac/Linux (ICUSB232DB25)AmazonSAVE $5.75
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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$37.99
Waveshare Industrial USB to 4-Ch Serial Converter, Original FT4232HL Chip, Supports USB to RS232/485/422/TTL, Multiple Devices Applicable, Multi-OS CompatibleAmazon$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$7.39
HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper WiresAmazon$1.41
GMBYLBY PL2303TA USB to TTL RS232 Module Converter Serial Cable Adapter Download Cable Industrial Grade Modules Replacement USB ConverterAmazon$17.50
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)Amazon$23.50
Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (10ft/3meter)Amazon$21.99
OIKWAN USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -10 Feet…AmazonSAVE $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$17.98
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 FeetAmazon$6.49
WWZMDiB Mini USB to TTL Serial Converter Adapter, 3.3V/5.5V, FTDI Breakout Board for ArduinoAmazon$23.99
LZDICITARU USB to DB25 RS232 Serial Adapter Converter Cable Null Modem FTDI Driver Programming for Sharp X68K X68000 PC Communicate Programming CableAmazon$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$14.99
OIKWAN USB to RS232 DB9 Serial Cable Male Converter Adapter with FTDI Chipset for Windows 11,10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 (10ft)…AmazonSAVE $0.50
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HiLetgo FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5VAmazon$15.99
OIKWAN USB-Cto RS232 DB9 Serial Cable Male Converter Adapter with FTDI Chipset for Windows 11,10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 (10ft)Amazon$25.99
OIKWAN USB C to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 10FT…Amazon$15.99
Tera Grand USB 2.0 to RS232 Serial DB9 Converter with 33" USB Extension CableAdorama$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$18.99
CableCreation [2-Pack] 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$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$9.89
AITRIP 4pcs 3.3V 5V FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module for Arduino Mini PortAmazon$14.79
waveshare Industrial USB to TTL 6pin Serial Adapter Cable, USB to TTL (C) Converter Onboard FT232RNL Chip,Compatible with Win11/10/8.1/8/7,Mac, Linux, Android,3.3V/5V Voltage Level SwitchingAmazon$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
FainWan 2pcs FT232RL FTDI Mini USB to TTL Serial Converter Adapter, 3.3V/5.5V, Supports Win95/98/98se/ME/2000/XP/win7 32bit/64bit, DTR,RXD,TX,VCC,CTS,GNDAmazon$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$15.99
Mustpoint USB 2.0 to RS-485 RS-422 RS485 RS422 RJ45 RJ-45 Serial Adapter Converter FT232Amazon$9.99
Ximimark 4Pcs USB 2.0 to TTL UART 5PIN Module Serial Converter CP2102 STC PRGMR Free CableAmazon$19.99
CableCreation [2-Pack] USB to RS232 Adapter with PL2303 Chip 6.6 FT, USB 2.0 to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC, 2M BlackAmazon$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$85.43
USBLIN Converter USB to LIN Adapter LIN Device debugger Isolated Virtual Serial PortAmazon$5.53
Soaying 3X USB to RS485 Communication Module Bidirectional Half-Duplex Serial Line ConverterAmazon$22.99
Anwaut 1-Port Industrial USB-C to Serial/RS232 (DB9) Converter Adapter w/ 9 x LEDs (Compatible for Windows 11, macOS 14, 1-Meter, U2RS232-C)Amazon$7.49
axGear New USB 2.0 to RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterAmazonSAVE $2.00
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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
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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