HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper Wires

$9.99

Ximimark 4Pcs USB 2.0 to TTL UART 5PIN Module Serial Converter CP2102 STC PRGMR Free Cable

$17.98

HiLetgo FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V

$39.44

DSD TECH SH-U09C5 USB to TTL UART Converter Cable with FTDI Chip Support 5V 3.3V 2.5V 1.8V TTL

$14.99

WWZMDiB Mini USB to TTL Serial Converter Adapter, 3.3V/5.5V, FTDI Breakout Board for Arduino

$7.49

DTech USB to TTL Serial 3.3V Adapter Cable TX RX Signal 4 Pin 0.1 inch Pitch Female Socket PL2303 Prolific Chip Windows 10 8 7 XP Vista (6ft, Black)

$32.46

HiLetgo 5pcs RS232 to TTL Converter Module COM Serial Port Board MAX3232 MAX232CSE

$8.69

UGREEN 6ft USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista, Mac OS, Linux

$7.83

OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…

$8.49

EVISWIY PL2303TA USB to TTL Serial Cable Debug Console Cable for Raspberry Pi 3 Pack

$8.99

DTECH FTDI USB to TTL Serial 3.3V Adapter Cable TX RX Signal 3 Pin 0.1 inch Pitch Female Socket FT232RL Chip Windows 11 10 8 7 Linux MAC OS (6ft, Black)

$16.99

Waveshare USB to UART/I2C/SPI/JTAG Converter, Supports Multiple Interfaces, Compatible with 3.3V and 5V, Multiple Protection Circuits, Multiple Systems Support

$26.99

OIKWAN USB to RS232 Adapter with FTDI Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black

$8.99

DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS

$15.59

CH341A 24 25 Series Flash Module DIY Kit SOIC8 SOP8 Test Clip Flash IC Clips SPI Flash 1.8V Adpter SOP8 SOIC8 to DIP8 Adapter Socket Converter Programmer BIOS with USB Programmer Kit

$85.37

OIKWAN USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black

$14.99

Teyleten Robot PCM5102 PCM5102A AUX Stereo Digital Audio DAC Decoder Board Module Voice Module Player Module Digital-to-Analog Converter IIS I2S for Arduino Raspberry Pi (3PCS)

$7.99

CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black

$7.19

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)…

$25.99

HiLetgo CH341A STC Flash 24 25 EEPROM BIOS Writer USB Programmer SPI USB to TTL

$73.99

Serial Port Complete: COM Ports, USB Virtual COM Ports, and Ports for Embedded Systems (Complete Guides series)

$24.99

CableCreation USB to RS232 Adapter with PL2303 Chip 3.3 FT, USB 2.0 to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC, 1M Black

$7.98

DSD TECH SH-U09C2 USB to TTL Adapter Built-in FTDI FT232RL IC for Debugging and Programming

$6.49

USB Programmer CH341A 24 25 Series Flash Module with SOIC8 SOP8 Test Clip Flash IC Clips Socket Adpter Programmer BIOS

$8.84

CH341A 24 25 Series Flash Module DIY Kit SOIC8 SOP8 Test Clip Flash IC Clips SPI Flash 1.8V Adpter Programmer BIOS with USB Programmer Kit

$8.19

StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2)

$13.99

HF2211, HF2211 Serial Device Server, RS232/485/422 to WiFi and Ethernet DTU Short Message Communication Module, 5-36VDC Serial Data, Device Servers

$114.9

Teyleten Robot Si5351A Si5351 5351 8KHz -160MHz High Frequency Signal Generator Breakout Board DC3.3-5V Square Wave Frequency Generator Board Module I2C for Arduino (3pcs)

$27.99

CableCreation USB to RS232 Serial Adapter with PL2303 Chipset, 10 FT USB to DB9 Pin Female Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras,CNC etc, Black

$9.99

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-S9

$10.8

Comidox 1Set USB Logic Analyzer Device Set USB Cable 24MHz 8CH 24MHz 8 Channel UART IIC SPI Debug for Arduino ARM FPGA M100 Hot

$17.99

StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN)

$13.98

Ferwooh USB Logic Analyzer 24MHz 8CH 8 Channel UART IIC SPI Debug Device + 12PCS 6 Colourful Test Hook Clip Set + USB Cable + Debugging Tool Sets

$18.49

whiteeeen Screw Terminal Expansion Board 3 Types Output Breakout Board for Teensy 3.5 / 3.6 / 4.1 Module Compatible with Arduino

$32

MakerFocus 3pcs NRF24L01+PA+LNA Wireless Transceiver RF Transceiver Module 2.4G 1100m with Antenna and 3pcs NRF24L01+ Breakout Adapter with 3.3V Regulator on-Board for Ar duino

$10.99

OIKWAN USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux

$15.99

5PCS AD9833 Programmable Microprocessors Serial Interface Module GY-AD9833 Sine Square Wave DDS Signal Generator Programmable Microprocessors Serial Interface Module

$29.14

FainWan 5Pcs 16CH Analog Digital Multiplexer Breakout Board Module CD74HC4067 CMOS Precise Module Compatible with Ar-duino

$23.9

Level Converter Module, I2C SPI MDIOConversion Module for TP240610 240141 280121 320121 Level Shifter, Professional, High Accuracy, Stable Performance, Compact Size

$376

MOXA NPort 5410 w/Adapter - 4 Ports RS-232 Serial Device Server, 10/100 Ethernet, DB9 Male

$47

StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P)

$161.04

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)

$13.98

USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection

$15.99

SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI)

$13.99

MOXA NPort 5232 2-Port Serial Device Server, 10/100 Ethernet, RS422/485, Terminal Block

$225

ELIATER 2-Port PCIe Serial Expansion Card with Industrial DB9 RS232 COM Ports, 16C550 UART WCH382 Chip for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, Low Bracket Included

$47.12

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] 10 Feet (CB-9PTF)

$12.99

0~5Khz to 0~10V Frequency Voltage Converter Module，Digital to Analog Module Conversion Module

$18.29

TPALPKT 2 in 1 0.8m Cable USB Charger for PSP 1000 2000 3000 USB 5V Charging Plug Charging Cable USB to DC 1A Plug Power Cord Game Accessory

$34.99

X10 TM751Wireless Transceiver Module

$35.99

MEIRIYFA Firewire 1394 6 Pin to USB Adapter Cable, Firewire IEEE 1394 6 Pin Male to USB 2.0 Type A Male Data Transfer Converter Cable for Printer, Digital Camera, Scanner, Hard Disk（1.8M）

$16.99

BENFEI USB to Serial Adapter,6 Feet USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above

$11.99

DTech 15ft COM Port Serial Cable Male to Female RS232 Extension 9 Pin Straight Through Cord

$7.79

SMSL PO100 PRO MQA DDC XMOS XU316 Digital to Analog Audio Converter Type-C USB Input IIS/Optical/Coaxial Output Mini Portable USB Interface Converter for Phone/TV/PS3/PS4/PS5

$15.99

3PCS AD9833 Programmable Microprocessors Serial Interface Module GY-AD9833 Sine Square Wave DDS Signal Generator Programmable Microprocessors Serial Interface Module

$11.99

USB Logic Analyzer Device with EMI Ferrite Ring USB Cable 24MHz 8CH 24MHz 8 Channel UART IIC SPI Debug

$47.88

HiLetgo USB Logic Analyzer Device With EMI Ferrite Ring USB Cable 24MHz 8CH 24MHz 8 Channel UART IIC SPI Debug

$69

YIOVVOM DB9 Breakout Connector to Wiring Terminal RS232 D-SUB Male Serial Adapters Port Breakout Board Solder-Free Module with case(Female Serial Adapter)

$8.59

MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply

$242.36

Renmou USB to USB C Adapter 4 Pack for iPhone 15 Charger,iPhone 15 14 13 12 Pro Max Plus,iPad 9 10 Air 5 Mini 6,Car,Samsung S24 S23 S22 Plus Ultra,Serial Adapter,OTG Adapt USB to USB C - Black

$9.99