I finally got to assemble the boards today. I have some PCBs from OSHpark and some from DirtyPCBs. Both great.

I also make my own temperature sensors from LM35 because the ones from ebay that should be waterproof are not. But you can buy the metal ends (ebay) and use some gooping resin to waterproof it.

Final board without OLED display look like this.

I will continue soon to finish it.