1/2/5/10 FT232RL USB to TTL Serial Converter Adapter Module 5V 3.3V For Arduino
ab 2,13 €
Use this to give your own breadboard Arduino USB capability for bootloading or downloading sketches. This board includes a DTR pin needed to auto-reset Arduino when downloading to your device. 1/2/5/10 x USB to TTL converter.
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