$ cat usb-ttl.txt
USB <-> TTL CH304G type

OPI5B          USB      MYCABLE
================================
GND   <--->    GND      BLK
RX    <--->    TX       RED
TX    <--->    RX       BROWN


OPI5B PINOUT

+----------------------------
|
-------
| eth |
-------
| usb |
-------
|              . . .
+----------------------------
               G R T
               N X X
               D


Device: /dev/ttyUSB0
Settings: 1500000 8N1

minicom

Adding bank: 0x00200000 - 0xf0000000 (size: 0xefe00000)
Adding bank: 0x100000000 - 0x3fc000000 (size: 0x2fc000000)
Adding bank: 0x3fc500000 - 0x3fff00000 (size: 0x03a00000)
Adding bank: 0x4f0000000 - 0x500000000 (size: 0x10000000)
Total: 19575.60/19601.172 ms

Starting kernel ...


Armbian 25.2.2 bookworm ttyS2 

orangepi5 login: 
CTRL-A Z for help | 1500000 8N1 | NOR | Minicom 2.8 | VT102 | Offline | ttyUSB0