hi, Same issue for me also 1. rk3328-eflasher-debian-bullseye-core-5.15-arm64-20230314.img.gz fail to copy to emmc sys led blinks for 1-3 seconds only ( updating to emmc) . then lan=wan >> solid green 2. rk3328-eflasher-friendlycore-focal-4.19-arm64-20230314.img.gz ok copy es to emmc sys led blinks ...

hi,
How to copy os with settings from one device to other.

MASTER device ( os in emmc ) >> scdard/usb >> SLAVE device emmc.

we used to use this script in raspberry pi to do it

https://github.com/billw2/rpi-clone

Thanks and regards,

hi, using the wiringpi port from git clone https://github.com/friendlyarm/WiringNP root@NanoPi-R2C-Plus:~# gpio readall piBoardRev: Unable to determine board revision from /proc/cpuinfo -> Is not NanoPi based board. -> You may want to check: -> http://www.lemaker.org/ we are using nodejs to develop ...