Amazon.com: HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper Wires : Electronics
Amazon.com: USB to TTL Serial Cable : Electronics
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![CP2102 module USB to 3.3V TTL [CP2102 module] - US $1.80 : HAOYU Electronics : Make Engineers Job Easier](http://www.haoyuelectronics.com/Attachment/CP2102_module/CP2102_0.jpg "CP2102 module USB to 3.3V TTL [CP2102 module] - US $1.80 : HAOYU Electronics : Make Engineers Job Easier")
CP2102 module USB to 3.3V TTL [CP2102 module] - US $1.80 : HAOYU Electronics : Make Engineers Job Easier
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![USB-TTL UART Module - CP2102 [4313] : Sunrom Electronics](https://www.sunrom.com/media/product/766.jpg "USB-TTL UART Module - CP2102 [4313] : Sunrom Electronics")