here is photo my usb gateway with STM32 power
it's a big difference with arduino nano

and that's a TV box turn into a mini pc more powerful than raspberry pi 3
and I installed linux with domoticez and imperihome EMMC Flash is fluid and fast
and toutsca works well

8 x CPU: Amlogic S912 Octa core ARM Cortex-A53 CPU jusqu'à 2GHz (DVFS)
GPU: 750MHz + ARM Mali-820MP3 GPU Processeur
RAM: 3Go DDR3
ROM: 32Go EMMC Flash
Système d'exploitation: Android 6.0
Ethernet: 100M/1000M
WIFI: 2.4GHZ / 5.8GHZ 802.11a / b / g / n / Ac
Bluetooth: BT4.1

@mfalkvidd good job