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USB 10-Channel 12-Bit AD Data Acquisition Module STM32 UART Communication USB to Serial Chip CH340 ADC Module
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  • $19.41 
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USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
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  • $225.99 
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USB to RS232 Converter Golden Tulip-1 RS232/USB
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  • $85.99 
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Coolgear Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation
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  • $140.99 
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USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
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  • $275.99 
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USB to RS422 Converter - 1 Port FT232R Interface Bridge for Serial Communication
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  • $249.99 
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ATC-810 High Speed Serial RS232 to USB Adapter
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  • $73.99 
  • $5.99 Shipping
DSD TECH SH-B35 RS485 RS232 to Bluetooth 2.0 Adapter Support Android and Windows
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  • $42.99 
  • $5.99 Shipping
DSD TECH SH-B30-BLE RS232 to Bluetooth 5.0 BLE Adapter Support iOS Android
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  • $48.99 
  • $5.99 Shipping
USB to 1 Port RS232/422/485 Photoelectric Isolation UPort 1150I Original
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  • $541.99 
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USB-4COMi-SI-M USB to Quad RS-422/485 Metal case with DIN-Rail
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  • $513.99 
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USB-8COMi-M USB to 8X DB-9 Port RS-422/485 Metal case with DIN-Rail
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  • $620.99 
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