Dear friends. I am trying to initialize my opi lite 2 without success. I'm using a power source, that's ok! I measured the voltage on the RX pin and I have 3.2v. The TX pin at very low voltage. I used a TTL / USB converter to check the debug ttl, but nothing appears. I configured the converter to 3.3v.
Can anyone give me any tips on what to do or can I throw the board away already?

Try using another sd card and start with a fresh image

try using another power supply

Make sure to use 115200 as baud rate.

15 hours ago, Werner said:

Try using another sd card and start with a fresh image

try using another power supply

Make sure to use 115200 as baud rate.

I've tried with 3 different Sd. I installed all the images, both Armbian and Orangepi.
I have an Orange pi pc plus and the tested cards work on it, as well as the power source.
I just haven't tested it with baud rate 115200, but I don't think it helps much.

As I said the pin RX I can measure 3.3v, however the TX is with very low voltage.

I would like measurement indications to make sure the card is functional or not.

On 4/9/2020 at 1:07 AM, lramos7 said:

to make sure the card is functional or not

FEL mode, not exactly this, but maybe  https://linux-sunxi.org/FEL

 

@TonyMac32, did once a nice write up about SDcard and frequencies... maybe also about powering it..  found it   https://forum.armbian.com/topic/8153-sd-communication-electrical-considerations/?