Introduction: Setup Orange Pi Using Serial Port.
It is possible to read from and write to terminal using UART pins. This makes it possible to setup Pi software without connecting display to it and without having it connected to LAN.
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Step 1: Required Hardware
You will need USB to TTL converter.
Plug it in computer's USB port.
Step 2: Serial Port Number
Go to device manager and find its port. (COM15 in my case)
Step 3: Get Software
Download and install PuTTY (http://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html)
Step 4: UART Pins on Orange Pi Lite
Connect those pins to USB TTL converter.
(Tx goes to Rx and respectively)
Step 5: Switch the Pi On
Connect +5V supply to the Orange Pi.
Step 6: Start PuTTY Session
Open PuTTY and set session (you have to select "serial", before filling in port and speed.
Step 7: Log In
Wait for the Pi to boot, if it is still booting. Then you will be asked to input username and password.
If the console is empty, try pressing Enter.