Hi v8dave, Thank you for your reply. I have one UART-USB converter (based on FT232RL FTDI chip) but I do not know what level of TTL communication supports (theoretically both of them can be) because it made a totally different usage. But I have tried it - nothing received from my Pi on my laptop... ...

Hi All, I have just bought a nanoPi M4 V2. I followed the Wiki instruction to how to make a mSD card for it. I prepared a mSD card with Lubuntu image (from "rk3399-typec-lubuntu-desktop-xenial-4.4-armhf-20201027.zip") I inserted into the slot and power on the Pi. It booted smoothly, but af...

Hi All, I have just bought a nanoPiM4-V2 board. I followed the instruction from its Wiki page how to prepare mSD card for use it. I created a mSD card wth the "rk3399-sd-lubuntu-desktop-xenial-4.4-armhf-20201027" image. I inserted into the slot, everything was fine the Pi booted up. After ...