Use this to give your own breadboard For Arduinos USB capability for boot loading or downloading sketches. This board includes a DTR pin needed to auto-reset For Arduinos when downloading to your device.
eBay
PL2303TA is perfectly compatible with XP/VISTA/7/8/8.1 system. When real RS232 signaling. 1 x USB To TTL Serial Port Download Cable. If you are satisfied with our service, pls.
eBay
FT232RL FTDI USB To TTL Serial Adapter Module 3.3V 5.5V USB Transfer To TTL Serial Port Module USB To TTL Serial Converter Module for Arduino. Easy Integration: With its compact size and straightforward interface, the FT232RL USB transfer to TTL serial port module can be easily integrated into existing systems or projects, allowing users to quickly establish USB-to-serial communication with minimal effort.
eBay
Feature: 1. [Independent 4 Way] The 4 way TTL serial port can independently communicate with 4 XH 4 TTL levels, can be connected externally using matching cables. [LED Indicator Lights] RXD and TXD of 4 way TTL have LED indicator lights, making the status more clear at a glance.
eBay
RS232 level interface : connect a computer or Rs232 level serial devices. USB to TTL. TTL to 232. TTL to 485. Six in ONE Multifunctional Convert interface module Effectively protect the security of your computer.
eBay
eBay
The FTDI USB to TTL serial converter module is a UART (universal asynchronous receiver-transmitter) board used for TTL serial communication. It is a breakout board for the FTDI FT232R chip with a USB interface.
eBay
Supports multiple communication interface conversion, USB to RS232, USB to RS485, USB to RS422, USB to TTL. High quality USB-B and RS232 connectors, smoothly plug/pull. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
eBay