USB serial adapter | Newegg.com

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2pcs CH341T USB to I2C and UART Serial Converter Module, USBTTL 3.3 V 5 V, Up to 2 Mbps

$11^.99

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Volume Discounts:$9.59 - $11.99

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1pcs/lot USB 2.0 to UART TTL 6PIN Connector Module Serial Converter CP2102

$12^.99

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Volume Discounts:$11.59 - $12.99

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USB Serial Port Control Relay Module Sturdy Durable Lightweight USB Relay Module USB Intelligent Control Switch Overcurrent Protection Intelligent Command Control Switch Intelligent Home

$11^.99

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Volume Discounts:$9.59 - $11.99

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USB to 16 TTL serial port module 1.8V2.5V3.3V5V multi-channel USB to UART CH348Q chip

$83^.99

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Volume Discounts:$82.59 - $83.99

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FOR USB2.0 to RS232 com Serial DB9 Converter Flat Cable For Win10 WIN8 SERVER2008 FT232

$28^.88

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Volume Discounts:$27.48 - $28.88

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Aomoproing FOR USB2.0 to RS232 com Serial DB9 Converter Flat Cable For Win10 WIN8 SERVER2008 FT232

$28^.88

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Volume Discounts:$27.48 - $28.88

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DTECH DT-9000 Passive Bidirectional RS232 To RS485 Serial Communication Protocol Module Converter

$25^.07

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FT232H USB to JTAG High-Speed Multifunction Serial Port Module SPI/I2C UART/FIFO SPI/I2C

$31^.97

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JAENFONG USB 3.0 to Nano Memory NM Card & SD Card Reader with Dual Port Writer for Camera & Laptop & Tablet & Mate Serial Phone

$18^.24

More options from $18.24 - $19.79

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4X USB to RS232 RS485 USB Serial Communication Module Industrial Grade USB-232/485 Signal Converter

$82^.19

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JAENFONG Type-C & USB 3.0 to SD Card & TF T-Flash Card Reader Writer for Tablet & Camera & Laptop & Mate Serial Phone

$18^.24

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USB Console Cable,6ft USB to RJ45 FTDI Chip RS232 Console Cable for Routers/AP Router/Switch/Windows 7, 8 (1.8m, Blue)

$22^.99

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FTDI TTL-234X-3V3-WE USB FTDI Cables/IEEE 1394 Cables USB to UART Cable Wire Ended 3.3V, USB-A to 6 Wire Leads

$43^.99

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RainbowLink 4-Channel USB to RS485 / RS232 / TTL Serial Converter for Easy Wiring and Testing,Windows and Linux Compatible

$35^.99

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Teykst TTL-232R-3V3 Cable 3.3V USB to Serial TTL 232R 3V3 UART Converter Cable FT232R Chipset, 6 Way,6ft

$42^.99

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USB to 4-Channel 485 Serial Module CH344Q SP3485 Chip 480Mbps USB Interface Supports 485 Communication at 3M baud Rate Metal case with Isolation Multiple Protection

$126^.19

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Feanteek TTL-232RG-VSW5V-WE USB to TTL Serial Cable with 5V Output,with FTDI Chip, Wire Ends for Arduino, Raspberry Pi, ESP32 Projects

$48^.99

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waveshare USB Blaster V2 Download Cable Programmers Debuggers Support ALTERA FPGA, CPLD,USB 2.0 to PC,JTAG, AS, PS to The Target Device

$62^.99

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USB to TTL Module FT232/CP2102/CH340 USB to UART Serial Port Module with Signal Isolation

$94^.99

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FT232RL USB to RJ45 Serial Converter Control Cable for Skywatcher Telescope EQ6-R AZEQ6 AZEQ5

$41^.99

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EZSync USB to TTL Serial Cable for Rapsberry Pi, 3.3V, TTL-232R-RPI Compatible, Debug and Programming Cable, EZSync012

$52^.99

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Yunseity Serial Port Module, Industrial Aluminum Alloy USB to 4 Way Converter for Accessory

$76^.99

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Fabater Isolated USB Serial Port Module with High Security Features for RS485 Terminals, Suitable for Industrial Applications

$76^.99

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8-Channel USB to TTL Serial Port Module CH348Q Type-C Port Expansion Board

$133^.99

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Kadimendium Isolated USB TTL Serial Port Module Reliable Interconverter for Electronics Use 1 Piece

$87^.99

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Yoidesu Serial Port Module, Industrial Class USB to 4 Way Converter Aluminum Alloy Stable for Accessories

$84^.99

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CH340C Micro USB to TTL Serial Port ISP Download Module 5V/3.3V 500ma CP2102 CH340G CH340T for STM32 51 with Dupont Line

$96^.99

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Industrial Grade USB TTL Serial Port Module with FT232 Chip, Isolated Circuits, Overcurrent Protection, 300bps to 3Mbps Baud Rate Support

$112^.99

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USB to RS485/RS232 Serial Converter Board, Onboard Original FT232RNL Chip Fast Stable Transmission,Multiple Devices Applicable, Compatible with Mac, Linux,Android, Windows 11/10/ 8.1/ 8/ 7, etc.

$53^.99

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Emoshayoga USB Serial Port Module 4 Way Converter High Security Reliable Data Transmission for Industrial Use USB2.0 Type B 1 Unit

$99^.99

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Industrial USB to 4-CH, USB to RS232/485/422/TTL Serial Converter, Adopts FT4232HL Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, Safer Isolated Design

$68^.95

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Volume Discounts:$66.55 - $68.95

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10PCS Pack of USB to 4 Way TTL Module CH9344 12Mbps Baud Rate UART Serial Port Module UART Transceiver 3.3V

$174^.99

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USB to RS232/485/422/TTL Converter Adopt Original FT232RNL Chip, Industrial Isolated USB Converter with Multiple Protection, Support Multi Communication Interface Conversion and Multi System

$60^.95

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Volume Discounts:$58.55 - $60.95

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FTDI UC232R-10 USB to RS232 Converter Cable

$40^.99

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Auto Downloader Burner USB to Serial Burner Module USB to TTL Module for ESP32 ESP8266 3pcs

$40^.67

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USB 3.0 USB Isolator, USB Isolator Module High Speed Plastic Disconnector 480M DC5V 500MA Digital Male to Female Dip, Computer Cables

$132^.99

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