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Quantum Universal PCIe to 16-Port RS232 Serial Card with DB9 Cables for Monitoring and Data Collection Systems

Quantum Universal PCIe to 16-Port RS232 Serial Card with DB9 Cables for Monitoring and Data Collection Systems

Limited time offer, ends 10/15

$518^.99

More options from $518.99

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AJMRTC Industrial USB to TTL Converter, Onboard FT232RNL Chip, Multi Protection Circuits, Wide Operating System Support, Serial Communication Module for Embedded Debugging & IoT Projects

AJMRTC Industrial USB to TTL Converter, Onboard FT232RNL Chip, Multi Protection Circuits, Wide Operating System Support, Serial Communication Module for Embedded Debugging & IoT Projects

$24^.20

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AJMRTC UART to CAN Bus Conversion Expansion Module for Raspberry Pi Pico, CAN Bus Communication Transceiver Board, Serial to CAN Adapter for Embedded Industrial DIY Projects

AJMRTC UART to CAN Bus Conversion Expansion Module for Raspberry Pi Pico, CAN Bus Communication Transceiver Board, Serial to CAN Adapter for Embedded Industrial DIY Projects

$41^.54

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USB to Serial Adapter DB9 RS232 Cable Prolific Chip PL2303 DB-9 Male Cord 6ft Compatible with Windows 11 10 8 7 Mac Linux for Laptop RS232C Printer Radio

USB to Serial Adapter DB9 RS232 Cable Prolific Chip PL2303 DB-9 Male Cord 6ft Compatible with Windows 11 10 8 7 Mac Linux for Laptop RS232C Printer Radio

$9^.98

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AJMRTC USB To RS485 (E) Industrial-Grade Isolated Bidirectional Converter, Onboard FT232RNL Chip, Galvanic Isolated RS485 Serial Adapter, Long Distance Communication Module for Industrial Control

AJMRTC USB To RS485 (E) Industrial-Grade Isolated Bidirectional Converter, Onboard FT232RNL Chip, Galvanic Isolated RS485 Serial Adapter, Long Distance Communication Module for Industrial Control

$25^.70

Free Shipping

AJMRTC Industrial USB to RS232/485/TTL Isolated Converter, Built-in FT232RL Chip, Isolation Protection, Multi-Protocol Serial Adapter for Industrial Data Transmission, PLC, Sensor Embedded Projects

AJMRTC Industrial USB to RS232/485/TTL Isolated Converter, Built-in FT232RL Chip, Isolation Protection, Multi-Protocol Serial Adapter for Industrial Data Transmission, PLC, Sensor Embedded Projects

$38^.30

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AJMRTC 2 Channel Isolated RS232 Expansion HAT for Raspberry Pi, SC16IS752+SP3232 Dual Chip Solution, Isolated Serial Port Board for Industrial Serial Communication DIY Projects

AJMRTC 2 Channel Isolated RS232 Expansion HAT for Raspberry Pi, SC16IS752+SP3232 Dual Chip Solution, Isolated Serial Port Board for Industrial Serial Communication DIY Projects

$34^.24

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AJMRTC 2-CH RS232 HAT, 2-Channel Isolated RS232 Expansion HAT for Raspberry Pi, Serial Port Module with Isolation Protection for Industrial Data Communication DIY Projects

AJMRTC 2-CH RS232 HAT, 2-Channel Isolated RS232 Expansion HAT for Raspberry Pi, Serial Port Module with Isolation Protection for Industrial Data Communication DIY Projects

$33^.65

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AJMRTC Isolated RS485 RS232 Expansion HAT for Raspberry Pi, SPI Controlled Serial Communication Module, Digital Isolation Protection, RS485 RS232 Converter HAT for Industrial Data Transmission IoT

AJMRTC Isolated RS485 RS232 Expansion HAT for Raspberry Pi, SPI Controlled Serial Communication Module, Digital Isolation Protection, RS485 RS232 Converter HAT for Industrial Data Transmission IoT

$35^.90

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AJMRTC Industrial USB to RS232/RS485 Serial UART Converter, FT232RNL Chip Multi-Function Serial Adapter, Compact USB to RS232 RS485 Transceiver for PLC, Sensor and Industrial Data Communication

AJMRTC Industrial USB to RS232/RS485 Serial UART Converter, FT232RNL Chip Multi-Function Serial Adapter, Compact USB to RS232 RS485 Transceiver for PLC, Sensor and Industrial Data Communication

$23^.09

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AJMRTC RS485-HUB-2P Industrial Isolated 2-Channel RS485 Hub, Rail-Mount Supported, Wide Baud Rate Range, Expands 2 RS485 Sub Ports, Repeater for Industrial Serial Communication, PLC Sensor Projects

AJMRTC RS485-HUB-2P Industrial Isolated 2-Channel RS485 Hub, Rail-Mount Supported, Wide Baud Rate Range, Expands 2 RS485 Sub Ports, Repeater for Industrial Serial Communication, PLC Sensor Projects

$26^.78

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AJMRTC Industrial USB to RS232 / RS485 Adapter Cable (C), FT232RNL Chip 2 Meter UART Serial Converter, Switchable 3.3V / 5V Logic Level for RS232 RS485 Communication

AJMRTC Industrial USB to RS232 / RS485 Adapter Cable (C), FT232RNL Chip 2 Meter UART Serial Converter, Switchable 3.3V / 5V Logic Level for RS232 RS485 Communication

$21^.40

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AJMRTC JQ8900-16P MP3 Voice Broadcast Module, Custom Audio Playback Intelligent Voice Prompt USB & UART Serial Port Control for Arduino Microcontroller Electronic DIY Projects

AJMRTC JQ8900-16P MP3 Voice Broadcast Module, Custom Audio Playback Intelligent Voice Prompt USB & UART Serial Port Control for Arduino Microcontroller Electronic DIY Projects

$11^.79

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AJMRTC FT232 USB UART Board with Type A Connector, USB to UART Serial Adapter Module, FT232 Chip USB-UART Solution for Serial Debugging and MCU Firmware Programming Projects

AJMRTC FT232 USB UART Board with Type A Connector, USB to UART Serial Adapter Module, FT232 Chip USB-UART Solution for Serial Debugging and MCU Firmware Programming Projects

$17^.18

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AJMRTC Industrial USB to RS485 Converter Adapter, FT232RL SP485EEN Chip USB 2.0 to RS485 Serial Module, Bidirectional Serial Communication for PLC, Modbus, Industrial Sensor Data Acquisition

AJMRTC Industrial USB to RS485 Converter Adapter, FT232RL SP485EEN Chip USB 2.0 to RS485 Serial Module, Bidirectional Serial Communication for PLC, Modbus, Industrial Sensor Data Acquisition

$23^.42

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AJMRTC USB to RS485 Serial Adapter, Wide OS Compatibility RS485 to USB Converter Compatible with Windows XP/7/10/11, Vista, Linux, macOS, WinCE 5.0 for Industrial Serial Communication

AJMRTC USB to RS485 Serial Adapter, Wide OS Compatibility RS485 to USB Converter Compatible with Windows XP/7/10/11, Vista, Linux, macOS, WinCE 5.0 for Industrial Serial Communication

$12^.72

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AJMRTC OpenLog Data Logger, Open Source Micro SD Blackbox Serial Logging Recorder, Multi-Platform Compatible for Naze32 F3 Flight Controller ATmega328 Arduino FPV RC Drone DIY Projects

AJMRTC OpenLog Data Logger, Open Source Micro SD Blackbox Serial Logging Recorder, Multi-Platform Compatible for Naze32 F3 Flight Controller ATmega328 Arduino FPV RC Drone DIY Projects

$11^.79

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AJMRTC USB to TTL Serial Port Module, CH343P 6Mbps High Speed Type-C Adapter, 5V / 3.3V Selectable Level, Replacement for CH340, for MCU Debugging, Firmware Burning & Downloading

AJMRTC USB to TTL Serial Port Module, CH343P 6Mbps High Speed Type-C Adapter, 5V / 3.3V Selectable Level, Replacement for CH340, for MCU Debugging, Firmware Burning & Downloading

$11^.79

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AJMRTC CH340 Type-C to TTL Serial 232 OTG Converter Cable, 5V USB to UART Download Cable, OTG Supported for Android, Mac OSX, for MCU Debugging, Firmware Upload and Electronic DIY Projects

AJMRTC CH340 Type-C to TTL Serial 232 OTG Converter Cable, 5V USB to UART Download Cable, OTG Supported for Android, Mac OSX, for MCU Debugging, Firmware Upload and Electronic DIY Projects

$15^.47

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AJMRTC CH340C USB to TTL ISP Serial Module, 5V / 3.3V 500mA Output, USB to TTL Converter Board for STM32 51 MCU Programming, Replacement for CH340G and CP2102 Debug Adapter

AJMRTC CH340C USB to TTL ISP Serial Module, 5V / 3.3V 500mA Output, USB to TTL Converter Board for STM32 51 MCU Programming, Replacement for CH340G and CP2102 Debug Adapter

$11^.79

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AJMRTC FT232RL FT232 USB to TTL Serial Adapter Module, 5V & 3.3V Voltage Output, USB to 232 Download Cable, 1PCS FT232RL Breakout Board for Arduino STM32 Debugging & Programming Projects

AJMRTC FT232RL FT232 USB to TTL Serial Adapter Module, 5V & 3.3V Voltage Output, USB to 232 Download Cable, 1PCS FT232RL Breakout Board for Arduino STM32 Debugging & Programming Projects

$12^.83

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AJMRTC Pi UART Debugger Module, USB to UART Serial Debug Board for Raspberry Pi 5, Type-A USB Port, Onboard UART Connector, High Baud Rate Serial Transmission Debugging Module

AJMRTC Pi UART Debugger Module, USB to UART Serial Debug Board for Raspberry Pi 5, Type-A USB Port, Onboard UART Connector, High Baud Rate Serial Transmission Debugging Module

$16^.10

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AJMRTC Industrial USB to RS485 Serial Converter Adapter with USB Extension Cable, USB-RS485 Communication Module for PLC Programming, Industrial Automation, Data Acquisition & Serial Device Communicat

AJMRTC Industrial USB to RS485 Serial Converter Adapter with USB Extension Cable, USB-RS485 Communication Module for PLC Programming, Industrial Automation, Data Acquisition & Serial Device Communicat

$14^.23

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AJMRTC FT232BL FTDI USB to TTL Serial Converter Adapter Module, Mini USB Port, 3.3V-5.5V Power Switch, Upgraded FT232RL Replacement for Arduino, MCU Debugging, Serial Communication & Program Download

AJMRTC FT232BL FTDI USB to TTL Serial Converter Adapter Module, Mini USB Port, 3.3V-5.5V Power Switch, Upgraded FT232RL Replacement for Arduino, MCU Debugging, Serial Communication & Program Download

$12^.45

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AJMRTC FT232RL USB to TTL Serial Port Module, Multi Voltage 5V 3.3V 1.8V Level Converter Download Burn Board, Small FT232RL Serial Adapter for MCU Program Debugging

AJMRTC FT232RL USB to TTL Serial Port Module, Multi Voltage 5V 3.3V 1.8V Level Converter Download Burn Board, Small FT232RL Serial Adapter for MCU Program Debugging

$11^.79

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AJMRTC CH340G USB to TTL Serial Converter Module, Upgrade Replacement for PL2303, 9-in-1 Brush Download Board, 3.3V/5V Switchable, UART Serial Adapter for STC MCU Program Download & Electronic Debuggi

AJMRTC CH340G USB to TTL Serial Converter Module, Upgrade Replacement for PL2303, 9-in-1 Brush Download Board, 3.3V/5V Switchable, UART Serial Adapter for STC MCU Program Download & Electronic Debuggi

$11^.79

Free Shipping

AJMRTC 1PCS USB 2.0 to TTL RS485 Serial Converter Adapter, FTDI FT232RL SN75176 Dual Function Module, Dual Protection USB to RS485 TTL Serial Communication Board for Industrial Serial Projects

AJMRTC 1PCS USB 2.0 to TTL RS485 Serial Converter Adapter, FTDI FT232RL SN75176 Dual Function Module, Dual Protection USB to RS485 TTL Serial Communication Board for Industrial Serial Projects

$11^.79

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AJMRTC CH9350 Module, HID Keyboard Mouse to Serial Port Converter, Virtual Keyboard & Barcode Scanner to UART Serial Board, USB HID Bridge for KVM Extender, KM Synchronization, Embedded & Industrial

AJMRTC CH9350 Module, HID Keyboard Mouse to Serial Port Converter, Virtual Keyboard & Barcode Scanner to UART Serial Board, USB HID Bridge for KVM Extender, KM Synchronization, Embedded & Industrial

$11^.79

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AJMRTC ESP8266 ESP32-WROVER Test Programmer Socket Downloader, CH340 USB to Serial Adapter Board, Universal Programming Fixture for ESP-01, ESP01S, ESP12, ESP32 WiFi Modules

AJMRTC ESP8266 ESP32-WROVER Test Programmer Socket Downloader, CH340 USB to Serial Adapter Board, Universal Programming Fixture for ESP-01, ESP01S, ESP12, ESP32 WiFi Modules

$11^.79

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AJMRTC 10Pcs Mini MAX3232 RS232 to TTL Level Converter Board, Serial Port Converter Module, RS232 TTL Signal Adapter for MCU Serial Communication and Electronic DIY Projects

AJMRTC 10Pcs Mini MAX3232 RS232 to TTL Level Converter Board, Serial Port Converter Module, RS232 TTL Signal Adapter for MCU Serial Communication and Electronic DIY Projects

$11^.79

Free Shipping

AJMRTC 74HC595 Serial to Parallel IO Expansion Module, Microcontroller 3 to 24 Pin Output Port Expander Board, Serial IO Extender for LED Control, Arduino Raspberry Pi, Electronic DIY & Circuit Projec

AJMRTC 74HC595 Serial to Parallel IO Expansion Module, Microcontroller 3 to 24 Pin Output Port Expander Board, Serial IO Extender for LED Control, Arduino Raspberry Pi, Electronic DIY & Circuit Projec

$12^.30

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AJMRTC CH341T High-Speed USB to UART I2C Bridge Module, 3.3V & 5V Dual Power Serial Communication Adapter Board, USB Convertor for Embedded Debugging, Firmware Flashing & Electronic DIY Projects

AJMRTC CH341T High-Speed USB to UART I2C Bridge Module, 3.3V & 5V Dual Power Serial Communication Adapter Board, USB Convertor for Embedded Debugging, Firmware Flashing & Electronic DIY Projects

$11^.79

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AJMRTC CLT TTL to RS485 Automatic Converter Module, 3.3V / 5V Level Adapter, Automatic Flow Control Transceiver Board for AVR MCU Serial Communication and Electronic DIY Projects

AJMRTC CLT TTL to RS485 Automatic Converter Module, 3.3V / 5V Level Adapter, Automatic Flow Control Transceiver Board for AVR MCU Serial Communication and Electronic DIY Projects

$12^.10

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AJMRTC CH9120 Ethernet to TTL Serial Converter Module, 3.3V 10M Ethernet Interface Serial Port Module, Transparent Transmission Ethernet to UART Module for Embedded Network Communication

AJMRTC CH9120 Ethernet to TTL Serial Converter Module, 3.3V 10M Ethernet Interface Serial Port Module, Transparent Transmission Ethernet to UART Module for Embedded Network Communication

$11^.79

Free Shipping

AJMRTC Aluminum Shell CP2102 USB 2.0 to TTL UART 6Pin Serial Converter Module, 5V/3.3V Selectable Power, Replacement for FT232 for STC MCU Firmware Burn & Serial Debugging

AJMRTC Aluminum Shell CP2102 USB 2.0 to TTL UART 6Pin Serial Converter Module, 5V/3.3V Selectable Power, Replacement for FT232 for STC MCU Firmware Burn & Serial Debugging

$13^.99

Free Shipping

AJMRTC CLT IT MCU FT232H Multifunction Module, USB to JTAG UART FIFO SPI I2C High Speed Serial Port Adapter Board, FT232H USB Interface Module for Embedded Debug & Communication

AJMRTC CLT IT MCU FT232H Multifunction Module, USB to JTAG UART FIFO SPI I2C High Speed Serial Port Adapter Board, FT232H USB Interface Module for Embedded Debug & Communication

$11^.79

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