From Flav's Wiki
Revision as of 17:39, 20 February 2015 by Flav
For multiple UART on RPi have a look at:
- SPI or I2C to UART:
- Maxim Products
- NXP’s I2C/SPI to UART/IrDA/GPIO bridge Products :
- or use a Arduino Due or Mega.
Find more here: GPIO -> Multiple Serial Ports (UART)
Finally the Beaglebone Black has already 4 UART.
GPIO numbering: http://pi.gadgetoid.com/pinout/wiringpi