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HC-06 Bluetooth Expansion Board Module RF Wireless Transceiver Slave Module RS232 TTL to UART Converter and Adapter for Arduino

K32C USB to RS232/485/TTL Industrial Isolated Converter Fast Communication Converter

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B0KF Reliability USB to RS232/485/TTL Isolated Converter Better Compatibility

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Embedded Barcode Scanner Module BarCode Reader code fixed Mounted QR Code Engine Module 1D/2D/DPM CODE USB/TTL UART/RS232/RS485

LvTTL to TTL IO Automatic Switching Din Rail Expansion Board for Arduino IOT ESP32 Wifi 3.3V to 5V Bidirectional Level Converter

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M3Y 2D QR Barcode Scan Engine Module for PDA, Mobile Terminal, Handheld Scanner USB TTL RS232

1PCs CP2102 download cable USB to serial port module USB to TTL flashing cable RS232 upgrade small board with Shell

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M.2 M+B Key To 4X RS232 Serial Adapter Card M.2 Expansion Card 4 Port Serial RS232 M.2 Controller Card For Desktop PC Durable

UART Serial Port Expansion Module SE1720 TTL Serial Port 1 Minute 7 Serial Port Expansion Chip IC RS232/485

CAN to RS485 Transparent Transmission Converter Field Bus Signal to RS232(TTL) Module for CNC Car Automated Industry PLC Relay

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Expansion Card ST39 PCIe X1 CH382L 1S1P RS232+LTP1 End Control Multifunction Convenient Expansion Card

462B RS232 TTL Adapter with Integrated DB9 Male And 5.0mm Screw Type Isolated Module for Reliabled Communication

125Khz EMID Proximity RF Card Reader, Waterproof DC12V Access Control Card Reader, Wiegand26/34, RS232, RS485, UART TTL Formats

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ScannerEmbedded 2D Barcode Scanner USB QR Barcode Reader RS232 TTL Interface Kiosk Small Fixed Installation Barcode Printer

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