usb-ttl-3.3v-1-1
USB to TTL 232R FTDI 5V Serial Converter Cable 6Pin Header
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ftdi-usb-to-rs232-2-1
FTDI USB to RS-232 DB9 Serial 9 pin Adapter Cable
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6FT 3.3V TTL-232R Serial UART Cable with 3.5mm Audio Jack

Model No: YT-TTL02(TTL-232R-3V3-AJ)

USB-TTL-to-DC3.5MM-Cable-4-1

6FT 3.3V TTL-232R Serial UART Cable with 3.5mm Audio Jack

Product Description:

This TTL-232R 3.3V converter cable is terminated by a standard 3.5mm Audio Jack (AJ) connector at one cable end. This is a TTL cable with an audio jack connector with +5V based TX and RX signalling.

Product Features:

1. USB TTL Serial Cable allows easy interfacing to devices over USB. The USB TTL Serial cable provide connectivity between USB and serial UART interfaces at 5V. 3.5mm audio jack input/output.

2. Connector configuration: tip-TxD,ring - RxD, sleeve- GND

3. Cable with audio jack connector with +5V based TxD and RxD signalling

4. Works in the same way as DB9 connector, however, the audio jack serves as a preparatory connection through hardware specifically designed to use an audio jack for serial communication, the rings in the audio jack serve the signal instead of typical pins.