10-26-2020, 09:17 PM
(10-25-2020, 02:23 AM)maks.dav Wrote: I need 4 UARTs, to use board as controller for home automatization: 1 - ZeegBee, 1 - GSM, 1 - RS485, 1 - M-bus. But in documentation, there are only 2 gpio uarts enabled for user. I wouldn't like to use external usb converters, this interfaces should be located on my expansion board, connected to the rock64 by GPIOs. Is there any solutions to solve my problem?
no solution for 4 UARTs from GPIO