Status: Draft
However there are few drawbacks in using the I2C:
The focus of this project is to create a low-cost solution for both of this problems.
Schematics
Software
i2c-serial.c
Simple serial port adapter module for linux I2C driver (see documentation).
Schematics
I2C Serial port Adapter
Simple
I2C Serial port adapter.
Adapter uses following serial port hand-shaking signals:
SCL OUT
RTS
SCL IN
DSR
SDA OUT
DTR
SDA IN
CTS
I2C extender
Serial
port adapter with RS-485 extender.
I2C
extender (I2C-RS485 adapter).
External resources