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USB 1.8V 2.5V 3.3V 5V TTL-UART Serial Adapter Converter
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  • $99.99 
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Coolgear USB to RS232 TTL | CMOS Adapter Cable with Terminal Block
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  • $76.99 
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CJMCU CP2102 USB To TTL/Serial Module UART For STC Downloader For
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  • $12.53 
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CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module EPP/MEM Converter For Serial Brush Debugging RS232 RS485
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  • $32.89 
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  • $31.89 - $32.89
PL2303 USB to UART TTL Cable Module FT232RL PL2303HX USB Transfer to TTL RS232 Serial Port Adapter Module CH340 Download cable
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  • $10.79 
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4 Ports USB HUB HAT For 3 / 2 / Zero W Extension Board USB To UART For Serial Debugging Compatible With USB2.0/1.1,blue
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  • $37.09 
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  • $36.09 - $37.09
USB to UART module serial port adapter board CP2102 solution
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  • $38.57 
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CH341A USB to SPI I2C IIC UART TTL ISP Serial Adapter Module EPP/MEM Converter For Serial Brush Debugging RS232 RS485
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  • $12.10 
  • Free Shipping
CJMCU CP2102 USB To TTL/Serial Module UART For STC Downloader For
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CJMCU CP2102 USB To TTL/Serial Module UART For STC Downloader For

Limited time offer, ends 05/27

  • Model #: Y21C-794
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  • $8.53 
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CH341T Two-In-One Module USB To I2C IIC UART USB To TTL Single-Chip Serial Port Downloader
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  • $9.42 
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