Regular.Cyclist
Über Member
- Location
- South West Scotland 🏴
I'm just starting to dabble with HA. I have a Shelly current clamp on the feed to the heat pump so I can monitor and separate the heating / hw from the rest of the house load. The shelly app is excellent too.
I built two current clamps using ESP32 boards with a header and a plugin clamp. Total cost of bits was £15 each and I 3D printed my own case. I checked values against a £2k professional clamp and proved it was accurate. Shelly are a good bit more expensive option.