If your Explorer LR has a F405NANO, this is the same as F405PRO, the only change is some components.
Inav 7 RC1 build https://github.com/dz0ny/inav/suites/17786223854/artifacts/1019280263
Changes:
- GPS was replaced with Walksnail GPS M181
- Tuned using EZ tune to be close to Betaflight 4 inch preset