# README_npiduo.md
Lukas, 2019-12-04
# to use WiringNP with NanoPiDuo and armbian ubuntu 18.04
added nanopi duo board support due to error:
  $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/
  open /sys/class/sunxi_info/sys_info failed.

## WiringNP fix
https://forum.armbian.com/topic/11426-wiringpi-for-nanopi-neo-air/
1. copy sys_info to /etc
2. normally build the project