ESP8266 whole house power monitor via Blynk.
Blogs/videos that helped me
Youtube video of a ct monitor
https://www.youtube.com/watch?v=Z3YSHhS39Bc&list=PLfVA4Woka2vgCzNZlUnWSJvlLdzoMVPMa&index=3
The pic on this one Makes it super easy to understand the layout
https://www.instructables.com/id/Yun-based-Electricity-Monitor-with-Cloud-Support-T/
This one is super techical.