Light sequence to enter base camp

Answer from: Cap's secrets
There are some panels in the room that has some blue lights you will have to use the bottoms panel and make the same figures by pushing the bottoms

to open the door you have to make an h

Answer from: Torrano711
In some part of the game will appears a panel like this:

* * *
* * *
* * *

to open the door you should hit the light to get a "h" of hydra.