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FTDI Serial TTL-232 USB Cable : ID 70 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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NooElec Pl2303 USB to Serial (ttl) Module/adapter With Female and Male Wiring HA for sale online | eBay
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Amazon.com: USB to TTL Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC 'FT232RL' : Electronics
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Amazon.com: NooElec PL2303 USB to Serial (TTL) Module/Adapter with Female and Male Wiring Harnesses & Test Jumper. Compatible with Windows 98 Through Windows 7; Mac OS 8 Through OS X, Linux and
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CH340G USB to TTL Serial Adapter USB to RS232 TTL Converter Download Flash Line USB to Serial Port for Arduino - Walmart.com
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Industrial USB TO TTL Converter, Original FT232RL Onboard, Multi Protection Circuits, Multi Systems Support
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