USB to TTL 5-pin GSMIN CP2102 Converter Adapter

Bridges a computer's USB port to TTL-level serial, which is how you programme boards without a USB connector — bare ATmega chips, ESP8266 modules, LilyPad boards — and how you watch serial output from a device already running. The CP2102 has notably better driver support than cheaper alternatives and is generally recognised without manual driver installation on modern systems. Pins are brought out for 5V, 3.3V, ground, TX and RX. Reliable CP2102 chip with good driver support; Programmes boards that have no USB connector; Both 5V and 3.3V output pins available; Essential for ESP8266 and bare-chip work