1-10pcs USB to TTL Serial Port CH340N 5V to 3.3V Converter Adapter Board Module
ab 1,19 €
USB to TTL Serial Port CH340N 5V to 3.3V Converter Adapter Board Module USB A/ C. This module adopts the new-generation CH340N chip, which can realize USB to 3.3VTTL for serial communication and single-chip download.
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