USB to TTL converters are an essential for prototyping - they provide a direct interface with the target device. This module connects to your computer USB port and there are 4 wires which connect with your target device. This PL2303HX USB to TTL converter module is a must for simple serial communication.USB to TTL Converter module for easy interfacing with Arduino nano and other microcontrollers, it has CP2102 chip which is a single chip USB to UART bridge IC, It requires minimal external components.
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