This USB to serial (TTL) converter project is easy to build, it is simple and inexpensive. It is based on the PL2303SA USB to USART bridge from Prolific. USB to Serial converter using PL2303SA - [Link]
from Electronics-Lab.com Blog http://ift.tt/1kzccDo
via IFTTT
from Electronics-Lab.com Blog http://ift.tt/1kzccDo
via IFTTT
