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4 Uarts and 2 Ethernet possiblities
pistoletov
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#9
06-27-2019, 11:23 AM
(06-27-2019, 09:29 AM)martinayotte Wrote: Beware that you also need to control RTS for RS485 flow direction ...
If you don't want to bother with driver or this flow direction, you are better luck using a USB-RS485 dongle such as this one :
https://www.ebay.ca/itm/2PCS-CH340-USB-t...1911412433

thank you for reply. I know about this pin for direction. In other forum (armbian) i saw yours post about using RTS signal for this. I have a allwiner board to but i can't find kernel module which support uart rts signal. I know about usb-485 adapters whis is cheap but i do not have free usb ports..
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Messages In This Thread
4 Uarts and 2 Ethernet possiblities - by gops - 04-04-2019, 12:20 PM
RE: 4 Uarts and 2 Ethernet possiblities - by gops - 04-04-2019, 08:17 PM
RE: 4 Uarts and 2 Ethernet possiblities - by LMM - 04-05-2019, 09:58 AM
RE: 4 Uarts and 2 Ethernet possiblities - by gops - 04-05-2019, 01:07 PM
RE: 4 Uarts and 2 Ethernet possiblities - by LMM - 11-13-2020, 08:51 AM
RE: 4 Uarts and 2 Ethernet possiblities - by pistoletov - 06-27-2019, 11:23 AM

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